pca84c922 NXP Semiconductors, pca84c922 Datasheet

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pca84c922

Manufacturer Part Number
pca84c922
Description
Microcontrollers Universal Infrared Remote Transmitter Applications
Manufacturer
NXP Semiconductors
Datasheet

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Part Number
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Part Number:
pca84c922AT
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Part Number:
pca84c922AT/008
Manufacturer:
NXP
Quantity:
45
Product specification
Supersedes data of 1995 Jun 30
File under Integrated Circuits, IC14
DATA SHEET
PCA84C922; PCA84C923
Microcontrollers for universal
infrared remote transmitter
applications
INTEGRATED CIRCUITS
1997 Oct 22

Related parts for pca84c922

pca84c922 Summary of contents

Page 1

... DATA SHEET PCA84C922; PCA84C923 Microcontrollers for universal infrared remote transmitter applications Product specification Supersedes data of 1995 Jun 30 File under Integrated Circuits, IC14 INTEGRATED CIRCUITS 1997 Oct 22 ...

Page 2

... INTERRUPTS 11.1 External keypad wake-up and T0/INT pin interrupt 11.2 Hardware Modulator interrupt 11.3 Internal Timer/counter (T1) interrupt 12 DERIVATIVE REGISTERS 13 EMULATION 14 LIMITING VALUES 15 DC CHARACTERISTICS 16 AC CHARACTERISTICS 17 PACKAGE OUTLINES 18 SOLDERING 18.1 Introduction 18.2 SDIP 18.3 SO and VSO 19 DEFINITIONS 20 LIFE SUPPORT APPLICATIONS 1997 Oct 22 PCA84C922; PCA84C923 2 Product specification ...

Page 3

... SO28 PCA84C923DT VSO56 1997 Oct 22 2 The PCA84C922A, PCA84C922C, PCA84C923A, PCA84C923C and PCA84C923D are members of the PCF84CXXXA CMOS family of microcontrollers and have been designed for use in universal infrared remote commander applications. The term PCA84C92X is used throughout this data sheet to refer to all devices in the range, differences between devices are shown in Table 1 and also highlighted in the text ...

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... Philips Semiconductors Microcontrollers for universal infrared remote transmitter applications 4 BLOCK DIAGRAMS handbook, full pagewidth 1997 Oct 22 PCA84C922; PCA84C923 4 Product specification ...

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... Philips Semiconductors Microcontrollers for universal infrared remote transmitter applications 1997 Oct 22 PCA84C922; PCA84C923 5 Product specification pagewidth full handbook, ...

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... Philips Semiconductors Microcontrollers for universal infrared remote transmitter applications 1997 Oct 22 PCA84C922; PCA84C923 6 Product specification pagewidth full handbook, ...

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... P02 P00 3 22 P03 4 21 T0/INT LOUT RESET 6 19 P10 PCA84C922A PCA84C923A P11 DD XTAL2 8 17 P12 XTAL1 9 16 P13 P04 10 15 P07 P05 P06 11 14 P16 P17 12 13 MBE341 Fig.6 Pin configuration of PCA84C922A (SO24/SDIP24) and PCA84C923A (SO24/SDIP24). ...

Page 8

... Used for emulation purposes only and is connected to the T0/INT pin of the 84C00. Pulse train output pin, capable of sinking 30 mA. Emulation mode control pin; for normal operation this pin is connected to V Power supply. Ground. 8 Product specification PCA84C922; PCA84C923 as Power-on-reset serves the ...

Page 9

... Philips Semiconductors Microcontrollers for universal infrared remote transmitter applications Table 3 PCA84C922C (SO28) and PCA84C923C (SO28) SYMBOL PIN P00 to P07 4, 3, 26, 25, Standard I/O port lines, generally used for keypad scanning or for LSB address byte of 11, 12, 17, 18 code data. P10 to P17 22, 21, 20, 19, ...

Page 10

... P00 to P07 (Low byte) and then reading the data from DP50 to DP57. In Normal mode, if the Coding Table address is within the 0000 to 1FFFH range for PCA84C922 devices, or within the 0000 to 3FFFH range for PCA84C923 devices, then the internal Coding Table will be accessed when Derivative Port 5 (address 05H) is read ...

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... Philips Semiconductors Microcontrollers for universal infrared remote transmitter applications handbook, full pagewidth R1 Fig.7 Typical Remote Control Transmitter application using the PCA84C922A or PCA84C923A. 1997 Oct 22 PCA84C922; PCA84C923 V T1 100 P00 V DD P01 XTAL1 P02 P03 XTAL2 P04 P05 P06 PCA84C922A P07 PCA84C923A ...

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... Philips Semiconductors Microcontrollers for universal infrared remote transmitter applications V DD handbook, full pagewidth R1 Fig.8 Typical Remote Control Transmitter application using the PCA84C922C or PCA84C923C. 1997 Oct 22 R2 P20 R3 P21 P22 P23 P00 P01 P02 P03 P04 P05 P06 PCA84C922C P07 PCA84C923C T0/INT ...

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... P20 R3 P21 ROM or EPROM DP50 to DP57 A15 DP60 to DP67 P00 to P07 PCA84C923D T0/INT P10 P11 P12 P13 P14 P15 P16 P17 13 Product specification PCA84C922; PCA84C923 system selection 100 V DD XTAL1 XTAL2 3 LOUT EMU RESET V SS MBE418 ...

Page 14

... ON-time Register t = ----------------------------------------------------------------------------------------------------------------------- - ON f osc 1997 Oct 22 PCA84C922; PCA84C923 7.2 OFF-time Register This 8-bit register resides at address 01H and is loaded by software. The decimal value of its contents plus 2, determines the number of oscillator cycles that the LOUT pin is inactive. The inactive period of LOUT can be calculated as follows: ...

Page 15

... Contents of ON-time Register this is shown as CASE 2 in Figs 11 and 12. 4 osc OFF-time end interrupt pulse #1 pulse #2 pulse #3 OFF-time = 4 (off-time register = 2) Fig.10 Example of ILOUT pulse train. 15 PCA84C922; PCA84C923 PWM LgP + 2 number of pulses this is shown in Fig.12. 4 osc elapse time by software ...

Page 16

... Off-time Register = off-time pulse width = number of pulses = number of pulses = 3 Off-time Register = off-time pulse width = 10 Fig.13 Continuous pulse train (PWM = 1). 16 Product specification PCA84C922; PCA84C923 software time interrupt to CPU 1 f (HF = 1). 4 osc software time interrupt to CPU 1 f (HF = 1). ...

Page 17

... Modulator Control Register. The time delay between two pulse trains is determined by software. OFF-TIME REGISTER (8) (8) PULSE TIMER (8) CONTROL LOGIC Fig.14 Block diagram of the Hardware Modulator. 17 Product specification PCA84C922; PCA84C923 CONTROL REGISTER (5) PULSE COUNTER PULSE COUNTER HIGH LOW (2) (8) ILOUT MBE346 ...

Page 18

... The Coding Table is addressed via Port 0 (the Low byte address) and Derivative Port 6 latch (the High byte address). The PCA84C922 range of devices have 8 kbytes of ROM for use as a Coding Table and when accessing this internal memory, address lines DP65 to DP67 must be LOW. ...

Page 19

... CLK RESET R int WRES PWM Fig.15 Block diagram of the Watchdog Timer. 19 Product specification PCA84C922; PCA84C923 ) which the counter may run -------- osc 17-BIT COUNTER Q16 on-chip RESET MBE415 ...

Page 20

... Derivative Port 6 latch fixed at ‘1S’. OPTION notes 1 and 2 1; note 3 1; note notes 1, 2 and Master Slave SQ IN/MOV 20 Product specification PCA84C922; PCA84C923 V DD 100 A typical (V = 0.7 V TR2 DD O TR3 I/O port TR1 line V SS MED186 - 1 ) ...

Page 21

... Oct Master Slave ORL/ANL IN Fig.17 I/O with open-drain output (Option 2 Master Slave ORL/ANL IN Fig.18 Push-pull output (Option 3). 21 Product specification PCA84C922; PCA84C923 V DD I/O port TR1 line V SS MED187 - TR2 I/O port TR1 line V SS MED188 ...

Page 22

... The Timer/counter interrupt is enabled using the instruction ‘EN TCNT1’ and is disabled using the ‘DIS TCNT1’ instruction. 1997 Oct 22 PCA84C922; PCA84C923 12 DERIVATIVE REGISTERS The Derivative Registers residing at addresses 00 to 04H are dedicated to the Hardware Modulator; these registers are also common to the PCA84CX22 range of microcontrollers ...

Page 23

Table 9 Derivative Registers memory map (see note 1) ADDR REGISTER 7 (HEX) 00 ON-TIME ON7 ON6 (X) (X) 01 OFF-TIME OFF7 OFF6 (X) (X) 02 Pulse Counter Low PUL7 PUL6 (PULOW) (X) (X) 03 Hardware Modulator Control (HMCTL) 04 ...

Page 24

... PCA84C923D (in other 84CXXX emulation systems they are connected to the corresponding pins of the PCF84C00). 1997 Oct 22 PCA84C922; PCA84C923 In the emulation mode, port lines P10 to P13 of the PCA84C923D are used as the inputs for derivative control signals DXWR, DXRD, DXALE and EXDIN. Therefore, ...

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... Philips Semiconductors Microcontrollers for universal infrared remote transmitter applications 1997 Oct 22 PCA84C922; PCA84C923 25 Product specification pagewidth full ndbook, ...

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... OH I maximum sink current for all port lines OL P total power dissipation tot T operating ambient temperature amb T storage temperature stg 1997 Oct 22 PARAMETER ) SS 26 Product specification PCA84C922; PCA84C923 MIN. MAX. 0.5 +7 5.0 mA 5.0 mA 500 mW 20 +70 C ...

Page 27

... Product specification PCA84C922; PCA84C923 ; unless otherwise specified. SS MIN. TYP. 2.0 3 MHz 0 MHz 0 MHz 0 MHz 0.25 0 note 1 1.2 amb = 50 C; note 1 amb = 25 C; note 1 1.2 amb = 50 C ...

Page 28

... Microcontrollers for universal infrared remote transmitter applications 16 AC CHARACTERISTICS SYMBOL PARAMETER f crystal oscillator frequency xtal Transconductance g option LOW mL g option MEDIUM mM g option HIGH mH Rf feedback resistor 1997 Oct 22 PCA84C922; PCA84C923 CONDITIONS MIN 2 ...

Page 29

... 0.42 0.22 21.65 11.1 15.8 0.75 0.30 0.14 21.35 11.0 15.2 0.017 0.0087 0.85 0.44 0.62 0.0295 0.012 0.0055 0.84 0.43 0.60 REFERENCES JEDEC EIAJ 29 PCA84C922; PCA84C923 detail 1.6 1.45 2.25 0.2 0.1 1.4 1.30 0.063 0.057 0.089 0.008 0.004 0.055 0.051 EUROPEAN PROJECTION Product specification SOT190-1 A ...

Page 30

... Oct scale (1) ( 0.49 0.32 18.1 7.6 1.27 0.36 0.23 17.7 7.4 0.019 0.013 0.71 0.30 0.050 0.014 0.009 0.69 0.29 REFERENCES JEDEC EIAJ MS-013AE 30 PCA84C922; PCA84C923 detail 10.65 1.1 1.1 0.25 0.25 1.4 10.00 0.4 1.0 0.419 0.043 0.043 0.055 0.01 0.01 0.394 0.016 0.039 ...

Page 31

... 0.49 0.32 15.6 7.6 10.65 1.27 0.36 0.23 15.2 7.4 10.00 0.019 0.013 0.61 0.30 0.419 0.050 0.014 0.009 0.60 0.29 0.394 REFERENCES JEDEC EIAJ MS-013AD 31 PCA84C922; PCA84C923 detail 1.1 1.1 1.4 0.25 0.25 0.4 1.0 0.043 0.043 0.055 0.01 0.01 0.016 0.039 EUROPEAN PROJECTION Product specification ...

Page 32

... OUTLINE VERSION IEC SOT234-1 1997 Oct scale (1) ( 1.3 0.53 0.32 22.3 9.1 0.8 0.40 0.23 21.4 8.7 REFERENCES JEDEC EIAJ 32 Product specification PCA84C922; PCA84C923 3.2 10.7 12.2 1.778 10.16 2.8 10.2 10.5 EUROPEAN PROJECTION SOT234-1 ( max ...

Page 33

... V) applied to the flat part of the lead. Contact time must be limited to 10 seconds 300 C. When using a dedicated tool, all other leads can be soldered in one operation within seconds between 270 and 320 C. 33 Product specification PCA84C922; PCA84C923 ...

Page 34

... Philips customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. 1997 Oct 22 PCA84C922; PCA84C923 34 Product specification ...

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... Philips Semiconductors Microcontrollers for universal infrared remote transmitter applications 1997 Oct 22 PCA84C922; PCA84C923 NOTES 35 Product specification ...

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Philips Semiconductors – a worldwide company Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. Box 213, Tel. +43 160 1010, ...

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