STV9428 STMicroelectronics, STV9428 Datasheet

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STV9428

Manufacturer Part Number
STV9428
Description
Manufacturer
STMicroelectronics
Datasheet

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STV9428
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Part Number:
STV9428
Quantity:
71
Part Number:
STV9428-1
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Part Number:
STV9428/V
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DESCRIPTION
The STV9427/28/29 is an ON SCREEN DISPLAY
for monitor. It is built as a slave peripheral con-
nected to a host MCU via a serial I
includes a display memory, controls all the display
attributes and generates pixels from the data read
in its on chip memory. The line PLL and a special
slice interpolator allow to have a display aspect
which does not depend on the line and frame
frequencies. I
transparent internal access to prepare the next
pages during the display of the current page. Tog-
gle from one page to another by programming only
one register.
June 1998
CMOS SINGLE CHIP OSD FOR MONITOR
BUILT IN 1 KBYTE RAM HOLDING :
- CHARACTER CODES
- USER DEFINABLE CHARACTERS
207 ALPHANUMERIC CHARACTERS OR
GRAPHIC SYMBOLS IN INTERNAL ROM
12 x 18 CHARACTER DOT MATRIX
PROGRAMMABLE ACCENTUATED CHARAC-
TER SET
CHARACTER BLINKING
RAM DEFINABLE COLOR LOOK UP TABLE
UP TO 16 USER DEFINABLE CHARACTERS
UP TO 80MHz PIXEL CLOCK
INTERNAL HORIZONTAL PLL (15 TO 120kHz)
PROGRAMMABLE VERTICAL HEIGHT OF
CHARACTER WITH A SLICE INTERPOLATOR
TO MEET MULTI-SYNCH REQUIREMENTS
PROGRAMMABLE VERTICAL AND HORI-
ZONTAL POSITIONING
FLEXIBLE SCREEN DESCRIPTION
22 CONTROL CODES FOR POWERFULL
SERIAL ATTRIBUTES
2-WIRES ASYNCHRONOUS SERIAL MCU
INTERFACE (I
8 x 8 BITS PWM DAC OUTPUTS
SINGLE POSITIVE 5V SUPPLY
2
MULTISYNCH ON-SCREEN DISPLAY FOR MONITOR
C interface allows MCU to make
2
C PROTOCOL)
2
C bus. It
8 x 8 bits PWM DAC are available to provide DC
voltage control to other peripherals.
The STV9427/28/29 provides the user an easy to
use and cost effective solution to display alphanu-
meric or graphic information on monitor screen.
STV9428-STV9429
ORDER CODE : STV9427
ORDER CODE : STV9428
ORDER CODE : STV9429
(Plastic Package)
(Plastic Package)
(Plastic Package)
DIP16
DIP20
DIP24
HIGH SPEED
STV9427
1/20

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STV9428 Summary of contents

Page 1

... The STV9427/28/29 provides the user an easy to use and cost effective solution to display alphanu- meric or graphic information on monitor screen. (Plastic Package) ORDER CODE : STV9427 (Plastic Package) ORDER CODE : STV9428 2 C bus. It (Plastic Package) ORDER CODE : STV9429 STV9427 HIGH SPEED ...

Page 2

... STV9427 - STV9428 - STV9429 PIN CONNECTIONS DIP16 (STV9427 DD1 DD2 TST XTO XTI RESET FBLK 5 12 VSYNC 6 GND 11 HSYNC SDA 7 10 GND SCL 8 9 PIN DESCRIPTION Pin Number Symbol DIP24 DIP20 PWM6 1 PWM1 DD1 TST 4 XTO 5 XTI 6 RESET 7 VSYNC 8 HSYNC 9 GND 10 PWM2 ...

Page 3

... C BUS 2 INTERFACE FBLK GND GND SCL V V TST DD1 DD2 ROM 1K RAM Address/Data BUS INTERFACE FBLK GND GND SCL STV9427 - STV9428 - STV9429 STV9427 10 SDA 20 PWM0 11 PWM3 10 PWM2 1 PWM1 STV9428 13 SDA 24 PWM7 23 PWM0 14 PWM3 13 PWM4 12 PWM5 11 PWM2 2 PWM1 1 PWM6 STV9429 16 SDA 3/20 ...

Page 4

... STV9427 - STV9428 - STV9429 ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage DD V Input Voltage IN T Operating Temperature OPER T Storage Temperature STG ELECTRICAL CHARACTERISTICS ( 5V 0V 70°C, f DD1 DD2 SS A Symbol SUPPLY V Supply Voltage DD I Supply Current DD INPUTS SCL, SDA, RESET, VSYNC and HSYNC V Input Low Voltage ...

Page 5

... Note 1 : These parameters are not tested on each unit. They are measured during our internal qualification procedure which includes characterization on batches comming from corners of our processes and also temperature characterization. Figure XTI t WH Parameter Figure 3 Stop Start t BUF SDA t HDS SCL t HIGH STV9427 - STV9428 - STV9429 Min. Typ. Max. Unit MHz 30 80 MHz ...

Page 6

... STV9427 - STV9428 - STV9429 FUNCTIONAL DESCRIPTION The STV9427/28/29 display processor operation is controlled by a host MCU via the I fully programmable through internal read/write reg- isters and performs all the display functions by generating pixels from data stored in its internal memory. After the page downloading from the ...

Page 7

... Initial Pixel period 3FF8 Frequency Multiplier 3FF9 Reserved 3FFF STV9427 - STV9428 - STV9429 I.4 - Register Set I.4.1 - PWM Registers The eight registers described below are only avail- able with the STV9429 : PULSE WIDTH MODULATOR 0 (STV9429) 3FD0 V07 V06 V05 V04 V03 V02 V01 V00 ...

Page 8

... STV9427 - STV9428 - STV9429 FUNCTIONAL DESCRIPTION (continued) I.4.2 - Look-up Table Registers Color look-up table [CLUT] is read/write RAM table. Mapping address is described in Chapter I.3.2. The CLUT is splitted in 2 blocks of 8 bytes. Each byte contains foreground and background informa- tions as described below : SHA SHA ...

Page 9

... CLU[3:0] : Active color selection at the begining of the strip. C[9:1] : Address of the first character code of the strip. UEN : UDC enable 0 : codes 240 to 254 (FOh to FEh) are read in ROM codes 240 to 255 (FOh to FFh) are read in BF2 BF1 BF0 RAM (UDC). STV9427 - STV9428 - STV9429 - - - FM3 FM2 FM1 FM0 L ...

Page 10

... STV9427 - STV9428 - STV9429 FUNCTIONAL DESCRIPTION (continued) III - Code Format The codes of STV9427/28/29 are all single byte codes. There are basically 3 kinds of code : - The control codes from (00h to 1Bh) and from 224 to 239 (E0h to EFh). - The ROM character codes from 32 to 223 (20h to DFh) and from 240 to 255 (F0h to FFh) ...

Page 11

... Cornr1 Box10 Bar15 ; Vpos Cornr2 < L ® Vlin Cornr3 = M © m << fh Hsz Cornr4 N ¥ n Arr If fv Hpos1 ? Arr up hz Hpos2 STV9427 - STV9428 - STV9429 Box0 Bar5 Bar21 ’ Box1 Bar6 Bar22 ’ Box2 Bar7 10o ^ dn B Box3 Bar8 1o0 Box4 Bar9 Indxrgt ...

Page 12

... STV9427 - STV9428 - STV9429 FUNCTIONAL DESCRIPTION (continued) III.3 - User Definable Character Codes (UDC) Codes 240 to 254 (F0h to FEh) refer to character shape loaded in RAM. The STV9427/28/29 allows the user to dynamically define character(s) for his own needs (for a special LOGO for example). Like the ROM characters, a UDC is made pixels x 18 slices dot matrix. ...

Page 13

... VSYNC. Figure 8 : PWM Timing f XTAL and x 6 256 V1[7: 128 255 STV9427 - STV9428 - STV9429 80 81 addresses). Two types of strips are st one given by the PWM1 Signal 256 . T XTAL T XTAL 13/20 ...

Page 14

... STV9427 - STV9428 - STV9429 FUNCTIONAL DESCRIPTION (continued) Figure 9 : Relation between Screen/Address Page/Character Code in RAM Figure 10 : User Definable Character ON THE SCREEN 36 Pixels (= 3 Characters 14/ Character Number Character Number IN THE RAM (example for Character n°5) Slice 1 : 0x00 0xff Slice 2 : 0x08 0x7f Slice 3 : 0x0c 0x3f Slice 4 ...

Page 15

... FUNCTIONAL DESCRIPTION (continued) Table 5 : ROM Character Generator STV9427 - STV9428 - STV9429 15/20 ...

Page 16

... STV9427 - STV9428 - STV9429 FUNCTIONAL DESCRIPTION (continued PLL The PLL function of the STV9427/28/29 provides the internal pixel clock locked on the horizontal synchro signal and used by the display processor to generate the and fast blancking signals made of 2 PLLs. The first one analogic (see Figure 11), provides a high frequency signal locked on the crystal frequency ...

Page 17

... YYYN NYYY YYYN NNNY YYYN Value of LINE DURATION Register (@ 3FF0 :LD[6:0] = 0010000, LD[6:1] = 001000 :LD[6:0] = 0100000 :LD[6:0] = 0110000 :LD[6:0] = 1000000, LD[6:1] = 100000. Table meaning : possible capture - No stability STV9427 - STV9428 - STV9429 > 0.7 damping teristic Equation Solutions (with Complex Solutions YNNN NNNN NNNN ...

Page 18

... STV9427 - STV9428 - STV9429 PACKAGE MECHANICAL DATA (STV9427) 16 PINS - PLASTIC DIP Millimeters Dimensions Min. a1 0. 18/20 Typ. Max. Min. 0.020 1.65 0.030 0.5 0.25 20 8.5 2.54 17.78 7.1 5.1 3.3 1.27 Inches Typ. Max. 0.065 0.020 0.010 0.787 0.335 0.100 0.700 ...

Page 19

... PINS - PLASTIC DIP Millimeters Dimensions Min. a1 0.254 B 1. Typ. Max. Min. 0.010 1.65 0.055 0.45 0.25 25.4 8.5 2.54 22.86 7.1 3.93 3.3 1.34 STV9427 - STV9428 - STV9429 Inches Typ. Max. 0.065 0.018 0.010 1.000 0.335 0.100 0.900 0.280 0.155 0.130 0.053 19/20 ...

Page 20

... STV9427 - STV9428 - STV9429 PACKAGE MECHANICAL DATA (STV9429) 24 PINS - PLASTIC DIP Millimeters Dimensions Min 0. 15 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use ...

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