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PDF UPD6604 Data sheet ( Hoja de datos )
| Número de pieza | UPD6604 | |
| Descripción | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION | |
| Fabricantes | NEC | |
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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD6604
4-BIT SINGLE-CHIP MICROCONTROLLER
FOR INFRARED REMOTE CONTROL TRANSMISSION
DESCRIPTION
Equipped with low-voltage 1.8 V operation, a carrier generation circuit for infrared remote control transmission,
a standby release function through key entry, and a programmable timer, the µPD6604 is suitable for infrared remote
control transmitters.
For the µPD6604, we have made available the one-time PROM product µPD66P04B for program evaluation or
small-quantity production.
FEATURES
• Program memory (ROM)
: 1002 × 10 bits
• Data memory (RAM)
: 32 × 4 bits
• Built-in carrier generation circuit for infrared remote control
• 9-bit programmable timer
: 1 channel
• Command execution time
: 8 µs (when operating at fOSC = 1 MHz: RC oscillation)
• Stack level
: 1 level (Stack RAM is for data memory RF as well.)
• I/O pins (KI/O)
: 8 pins
• Input pins (KI)
: 4 pins
• Sense input pin (S0)
: 1 pin
• S1/LED pin (I/O)
: 1 pin (When in output mode, this is the remote control transmission
display pin.)
• Power supply voltage
: VDD = 1.8 to 3.6 V (when operating at fOSC = 500 kHz)
VDD = 2.2 to 3.6 V (when operating at fOSC = 1 MHz)
• Operating ambient temperature : TA = –40 to + 85 °C
• Oscillator frequency
: fOSC = 300 kHz to 1 MHz
• POC circuit (Mask option)
APPLICATION
Infrared remote control transmitter (for key-less entry)
Because the µPD6604 uses an RC oscillation system clock, its accuracy and stability are lower than
the models using ceramic oscillation.
In applications where the clock accuracy and stability pose a problem, use the µPD6134 (ceramic
oscillation type).
The information in this document is subject to change without notice.
Document No. U11281EJ3V0DS00 (3rd edition)
Date Published March 1999 N CP(K)
Printed in Japan
The mark shows major revised points.
©
1996
1 page  
µPD6604
9. INSTRUCTION SET .................................................................................................................... 31
9.1 Machine Language Output by Assembler ...................................................................................... 31
9.2 Circuit Symbol Description .............................................................................................................. 32
9.3 Mnemonic to/from Machine Language (Assembler Output) Contrast Table ............................... 33
9.4 Accumulator Operation Instructions ............................................................................................... 37
9.5 Input/Output Instructions ................................................................................................................. 40
9.6 Data Transfer Instruction .................................................................................................................. 41
9.7 Branch Instructions .......................................................................................................................... 43
9.8 Subroutine Instructions .................................................................................................................... 44
9.9 Timer Operation Instructions ........................................................................................................... 45
9.10 Others ................................................................................................................................................. 46
10. ASSEMBLER RESERVED WORDS .......................................................................................... 48
10.1 Mask Option Directives .................................................................................................................... 48
10.1.1 OPTION and ENDOP directives ............................................................................................. 48
10.1.2 Mask option definition directive ............................................................................................... 48
11. ELECTRICAL SPECIFICATIONS ............................................................................................... 49
12. CHARACTERISTIC CURVE (REFERENCE VALUES) .............................................................. 52
13. APPLIED CIRCUIT EXAMPLE ................................................................................................... 54
14. PACKAGE DRAWINGS .............................................................................................................. 55
15. RECOMMENDED SOLDERING CONDITIONS .......................................................................... 57
APPENDIX A. DEVELOPMENT TOOLS ......................................................................................... 58
APPENDIX B. FUNCTIONAL COMPARISON BETWEEN µPD6604 AND
OTHER SUBSERIES ................................................................................................ 59
APPENDIX C. EXAMPLE OF REMOTE-CONTROL TRANSMISSION FORMAT .......................... 60
Data Sheet U11281EJ3V0DS00
5
5 Page 
µPD6604
Figure 2-4. Data Memory Organization
R1n (high-order 4 bits) R0n (low-order 4 bits)
R0
R10 R00
R1
R11 R01
R2
R12 R02
R3
R13 R03
R4
R14 R04
R5
R15 R05
R6
R16 R06
R7
R17 R07
R8
R18 R08
R9
R19 R09
RA
R1A
R0A
RB
R1B
R0B
RC
R1C
R0C
RD
R1D
R0D
RE
R1E
R0E
RF
R1F
R0F
→DP (see 2.6 Data Pointer (DP))
→ASR (see 2.3 Address Stack Register (ASR (RF)))
2.6 Data Pointer (DP): 10 Bits
The ROM data table can be referenced by setting the ROM address in the data pointer to call the ROM contents.
The low-order 8 bits of the ROM address are specified by R0 of the data memory; and the high-order 2 bits by
bits 4 and 5 of the P3 register (CR0).
When reset, the pointer contents become “000H”.
Figure 2-5. Data Pointer Organization
P3 Register
b5 b4
P3 DP9 DP8
DP7
R10
DP6 DP5
DP4
DP3
R00
DP2 DP1
DP0 R0
2.7 Accumulator (A): 4 Bits
The accumulator, which refers to a register consisting of 4 bits, plays a leading role in performing various
operations.
When reset, the accumulator contents are left undefined.
Figure 2-6. Accumulator Organization
A3 A2 A1 A0 A
Data Sheet U11281EJ3V0DS00
11
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet UPD6604.PDF ] | |
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