PCF8820U Philips Semiconductors, PCF8820U Datasheet
PCF8820U
Related parts for PCF8820U
PCF8820U Summary of contents
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DATA SHEET PCF8820 67 101 Grey-scale/ECB colour dot matrix LCD driver Product specification File under Integrated Circuits, IC12 INTEGRATED CIRCUITS 2000 Dec 07 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver CONTENTS 1 FEATURES 2 APPLICATIONS 3 GENERAL DESCRIPTION 4 ORDERING INFORMATION 5 BLOCK DIAGRAM 6 PINNING 6.1 Pad configuration 6.2 Pad functions 6.2.1 Row driver outputs 6.2.2 Column driver outputs 6.2.3 Ground supply 6.2.4 Supply voltage 6.2.5 Voltage multiplier output 6.2.6 Voltage multiplier regulation input 6.2.7 Supply voltage of bias voltage generator 6 ...
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... Slim chip layout, suitable for chip-on-glass applications 4 ORDERING INFORMATION TYPE NUMBER NAME PCF8820U 2000 Dec 07 Software selectable top and bottom row swap for 2-bit with linear RAM adapting driver to different glass-layouts CMOS compatible inputs Manufactured in silicon gate CMOS process. ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 5 BLOCK DIAGRAM handbook, full pagewidth 166 to 171 V LCDIN 172 V LCDSENSE 173 to 178 V LCDOUT 179 to 184 V DD1 188 to 194 V DD2 185 to 187 V DD3 206 to 211 V SS1 198 to 203 V SS2 205 T1 221 T2 212 T3 213 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 6 PINNING 6.1 Pad configuration SYMBOL PAD R0 to R22 LCD row driver outputs (block 1) R23 to R33 232 to 222 LCD row driver outputs (block 2) R34 to R55 148 to 127 LCD row driver outputs (block 3) ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 6.2 Pad functions 6.2 DRIVER OUTPUTS Row driver outputs (R0 to R66) are the outputs for the LCD row drive signals. They should be connected directly to the 67 rows of the LCD. If less than 67 rows are required, the unused outputs must be left open-circuit ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 6.2.12 S LAVE ADDRESS INPUTS These inputs (SA0 and SA1) allow up to four PCF8820 drivers to be controlled on the same I and SA1 represent respectively bit 0 and bit 1 of the slave address. 6.2.13 O SCILLATOR SIGNAL INPUT Pad OSC must be connected directly to V on-chip oscillator is used ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 7.11 Bias voltage generator The bias voltage generator generates 4 buffered intermediate LCD bias voltages. It contains 4 operational amplifiers and an input reference voltage generator. It can operate in two voltage ranges: Normal mode (from 7.0 to 14.5 V) Partial screen mode (from 4.5 to 14.5 V). ...
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Acrobat reader. white to force landscape pages to be ... Frame N1 1 Frame LCD V LCD ...
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Acrobat reader. white to force landscape pages to be ... Frame LCD ROW R0(t) ...
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Acrobat reader. white to force landscape pages to be ... Frame LCD ROW 0 0.5V LCD R0( LCD ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver handbook, full pagewidth P0 LSB DB0 MSB P0 DB1 LSB P1 DB2 MSB P1 DB3 LSB P2 DB4 MSB P2 DB5 LSB P3 DB6 MSB P3 MSB DB7 LSB 2000 Dec 07 LSB bank bank 1 bank 2 bank 3 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 7.17 DDRAM addressing Data is written in 8-bit bytes into the display data RAM matrix of the PCF8820 (see Figs 6 to 8). The display data RAM comprises a matrix of 67 101 are addressed by the address pointer. The address ranges are 100 (64H) and (10H) ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver Bit V (see Table 3) selects either horizontal or vertical address mode: In vertical address mode (bit V = 1), the Y-address is incremented after each byte (see Fig.9). After Y = 16, the Y-address sequence returns and the X-address is incremented to address the next column. ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 2 7.18 I C-bus interface 2 The I C-bus allows bidirectional data communication between different ICs or modules. The serial data input line and serial data output line are connected together, so representing the Serial Data (SDA) line. See Section 13.4 for layout considerations ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 7.18.3 S YSTEM CONFIGURATION Thd system components are defined below (see Fig.13): Transmitter: the device which sends data to the bus Receiver: the device which receives data from the bus Master: the device which initiates a transfer, generates ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 2 7.18 BUS PROTOCOL The PCF8820 is a slave transmitter/receiver. If data read from the device, the SDA_OUT output must be used. Before any data is transferred over the I destination device is addressed first (see Fig.15). The PCF8820 has four 7-bit slave addresses reserved: 0111 100, 0111 101, 0111 110 and 0111 111 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver For a read sequence (see Fig.18), the addressed PCF8820 will immediately start to output the requested data until a NOT acknowledge is transmitted by the master. Before the read access, the user has to set bit RS to the appropriate value by a preceding write access. The ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 8 INSTRUCTIONS The PCF8820 interfaces via the I LCD is not required to process instructions. The data received by the PCF8820 is either instruction data which defines its operating mode or display data to be stored in its DDRAM. The type of data is identified by bit RS ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver CONTROL (1) BITS INSTRUCTION RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 Display part 0 0 HVGen command page ( High voltage 0 0 generator control High voltage 0 0 generator configuration Temperature 0 0 control ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 8.1 Description of the bit functions Table 3 Instruction set bit functions RESET BIT VALUE STATE 000 000 001 010 011 100 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver RESET BIT VALUE STATE 000 000 000 0 111 PRS HVE 000 000 001 010 011 100 101 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver RESET BIT VALUE STATE DOF TRS BRS 2000 Dec 07 grey-scale register selection: register 0: applied if DDRAM content is 00 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 8.1 OWER DOWN MODE During power-down (bit all static currents are switched off (no internal oscillator, no timing, no LCD segment drive system) and all LCD outputs are internally connected decrease the voltage at V ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver Table 5 Programming the required bias system BS2 BS1 BS0 Table 6 Examples of LCD bias voltages BIAS VOLTAGE CALCULATING BIAS LEVEL ON PAD ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver It is not possible to measure temperature in Power-down mode. During a temperature measurement, the status register value remains zero until the measurement has completed and then the register is updated with the current temperature value (non-zero value). Because the I ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver handbook, full pagewidth V LCD ( (1) Bit PRS = 0: V programming range is LOW. LCD (2) Bit PRS = 1: V programming range is HIGH. LCD Fig.20 Generated V The programming range for the generated V values above the maximum value of V ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 8.1.9 D IRECT DRIVE MODE The voltage multiplier is in the direct drive mode ( the following settings (see Table 8): LCDOUT DD2 If bit and Power-down mode (bit bit and display off mode (bit DOF = 1) If bit and high voltage generator is disabled (bit HVE = 0) ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 100 handbook, full pagewidth 1 frame 1:3 (Hz 150 200 250 t = 190 s. cal Fig.21 Calibrated frame frequency as a function of clock frequency and pre-divider ratio. 110 handbook, full pagewidth 1:3 100 f frame ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 9 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134); note 1. SYMBOL V supply voltage DD V supply voltage for the LCD LCDIN V voltage on n any V related pin LCD any other pin I DC input current ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver SYMBOL PARAMETER I total supply current into DD(tot) pins and V DD1 DD2 I supply current of V LCDIN LCDIN 2000 Dec 07 CONDITIONS Power-down mode 8.6 V (external); DD3 LCDIN notes 2 and 3 partial screen mode 4.5 V (external); ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver SYMBOL PARAMETER Logic inputs P SA0, SA1, RES, T1, T3, T4 and T5 ADS V LOW-level input voltage IL V HIGH-level input voltage IH I leakage current L P OSC AD V LOW-level input voltage I V HIGH-level input voltage I I leakage current ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver SYMBOL PARAMETER TC temperature coefficient temperature coefficient temperature coefficient EFERENCE TEMPERATURE T cut-point temperature cp Temperature read-out a conversion constant a tolerance of a tol Notes 1. The minimum value for V LCDIN a) For V 4 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 12 TIMING V = 2 DD1 DD2 DD3 unless otherwise specified. SYMBOL PARAMETER Clock signal f LCD frame frequency frame f LCD frame frequency frame(cal1) f LCD frame frequency frame(cal2) f oscillator frequency osc P OSC AD f external clock frequency ext Reset timing ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver SYMBOL PARAMETER t set-up time for STOP condition SU;STO t tolerable spike width on bus W(spike) t BUS free time BUF Notes 1. Frame frequency ------------ - frame 4352 2. V unchanged after frequency calibration Not available at any pad. ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver handbook, full pagewidth V DD1 V LCDIN t LCD(on) Fig.25 Timing diagram of applying and removing the external LCD supply voltage to and from pad V ook, full pagewidth SDA t BUF SCL SDA MGA728 2000 Dec 07 t LOW ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 13 APPLICATION INFORMATION 13.1 Programming example for the PCF8820 It should be noted that only a part of the LCD is shown in the LCD column of Table 9. Table 9 Programming example SERIAL BUS BYTE STEP DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver SERIAL BUS BYTE STEP DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver SERIAL BUS BYTE STEP DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver SERIAL BUS BYTE STEP DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver SERIAL BUS BYTE STEP DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 128 129 130 146 147 148 149 165 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver SERIAL BUS BYTE STEP DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 190 191 192 193 194 195 196 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 13.2 Examples of effects on the display Table 10 Examples showing the effects on the LCD of setting bits PS, DP EXAMPLE ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver EXAMPLE 2000 Dec DISPLAY Product specification DESCRIPTION partial screen mode; X mirrored; last 8 rows selected MGT164 partial screen mode; Y mirrored; last 8 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 13.3 High voltage generator The high voltage generator contains a voltage multiplier which uses a charge pump circuit supplied The multiplier is software programmable with a DD3 factor from the direct drive mode the output ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 1.0 handbook, full pagewidth I DD(tot) (mA) 0.8 0.6 0.4 0 1.0 handbook, full pagewidth I DD(tot) (mA) 0.8 0.6 0.4 0 2000 Dec Fig.28 Charge pump characteristics for Fig.29 Charge pump characteristics for V 46 Product specifi ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 13.4 Application for COG The PCF8820 physical pad positions are optimized for single plane wiring e.g. for Chip-On-Glass (COG) display modules (see Fig.30). The pad lines are as follows: 3 input/output lines: SDA, SCL and RES ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 13.5 Typical system configuration The PCF8820 is a low power LCD driver designed to interface with microcontrollers and a wide variety of LCDs. The host microcontroller and the PCF8820 are both 2 connected to the I C-bus. The SDA and SCL lines must be connected to the positive power supply via pull-up resistors ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 14 BONDING PAD INFORMATION SYMBOL PAD dummy 1 5443.7 dummy 2 5373.7 row 0 3 5233.7 row 1 4 5163.7 row 2 5 5093.7 row 3 6 5023.7 row 4 7 4953.7 row 5 8 4883.7 row 6 9 4813.7 row 7 10 4743 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver SYMBOL PAD col 52 78 +296.3 col 53 79 +366.3 col 54 80 +436.3 col 55 81 +506.3 col 56 82 +576.3 col 57 83 +646.3 col 58 84 +716.3 col 59 85 +786.3 col 60 86 +856.3 col 61 87 +926.3 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver SYMBOL PAD row 61 156 +4951.3 row 62 157 +4881.3 row 63 158 +4811.3 row 64 159 +4741.3 row 65 160 +4671.3 row 66 161 +4601.3 V 162 +4421 5 V 163 +4261 4 V 164 +4101 3 V 165 +3941 2 V 166 +3806 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver SYMBOL PAD dummy 234 5548.7 dummy 235 5618.7 Alignment marks Circle 1 5594.0 Circle 2 +5594.0 Circle 3 +5469.0 Circle 4 5369.0 Note 1. All x/y coordinates represent the position of the centre of each pad (in m) with respect to the centre (x the chip (see Fig ...
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Acrobat reader. white to force landscape pages to be ... 2.59 mm (1) Circles are alignment marks with a diameter of ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 15 DEVICE PROTECTION CIRCUITS SYMBOL PAD V 179 to 184 DD1 V 188 to 194 DD2 V 185 to 187 DD3 V 206 to 211 SS1 V 198 to 203 SS2 V 166 to 171 LCDIN V 172 LCDSENSE V 173 to 178 LCDOUT V 162 2 V 163 3 V 164 ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver SYMBOL PAD SA0 204 SA1 214 T1 205 T2 221 T3 212 T4 213 T5 217 T6 218 OSC 220 RES 219 SCL 215 and 216 SDA_IN 195 and 196 SDA_OUT 197 R0 to R22 (block R23 to R33 (block 2) ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 16 TRAY INFORMATION handbook, full pagewidth y For the dimensions see Table 12. handbook, halfpage PC8820-1 The orientation of the pocket is indicated by the position of the IC type name on the die surface with respect to the chamfer on the upper left corner of the tray ...
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... Specification may change in any manner without notice. This data sheet contains preliminary data, and supplementary data will be published at a later date. Philips Semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 2 21 PURCHASE OF PHILIPS I Purchase of Philips I components in the I Philips. This specification can be ordered using the code 9398 393 40011. 2000 Dec 07 C COMPONENTS 2 C components conveys a license under the Philips’ system provided the system conforms to the I 58 Product specifi ...
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... Philips Semiconductors 67 101 Grey-scale/ECB colour dot matrix LCD driver 2000 Dec 07 NOTES 59 Product specification PCF8820 ...
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... Tel. +46 8 5985 2000, Fax. +46 8 5985 2745 Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH, Tel. +41 1 488 2741 Fax. +41 1 488 3263 Taiwan: Philips Semiconductors, 5F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2451, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 60/14 MOO 11, Bangna Trad Road KM ...