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UPD17201A Datasheet(PDF) 4 Page - NEC

Part No. UPD17201A
Description  4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTERS
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Maker  NEC [NEC]
Homepage  http://www.nec.com/
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 4 page
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µPD17201A, 17207
4
9.
A/D CONVERTER .......................................................................................................................... 46
9.1
CONFIGURATION OF A/D CONVERTER ...........................................................................................
46
9.2
FUNCTION OF A/D CONVERTER ......................................................................................................
47
9.3
CONTROL REGISTERS OF A/D CONVERTER .................................................................................
48
9.4
OPERATION IN A/D CONVERSION MODE ........................................................................................
50
9.5
OPERATION IN COMPARE MODE .....................................................................................................
52
10. SERIAL INTERFACE ..................................................................................................................... 54
10.1
SERIAL INTERFACE FUNCTION ........................................................................................................
54
10.2
SERIAL INTERFACE OPERATION ......................................................................................................
54
11. LCD CONTROLLER/DRIVER ........................................................................................................ 58
11.1
CONFIGURATION OF LCD CONTROLLER/DRIVER ........................................................................
58
11.2
FUNCTIONS OF LCD CONTROLLER/DRIVER ..................................................................................
59
11.3
DISPLAY MODE REGISTER ................................................................................................................
59
11.4
LCD REGISTER ....................................................................................................................................
63
11.5
SEGMENT SIGNALS AND COMMON SIGNALS ................................................................................
67
11.6
VOLTAGE BOOSTER CIRCUIT FOR LCD DRIVER ..........................................................................
70
12.
INTERRUPT FUNCTIONS ............................................................................................................ 72
12.1
INTERRUPT SOURCES .......................................................................................................................
72
12.2
HARDWARE OF INTERRUPT CONTROL CIRCUIT ..........................................................................
72
12.3
INTERRUPT SEQUENCE ....................................................................................................................
77
13. STANDBY FUNCTIONS ................................................................................................................. 78
13.1
HALT MODE ..........................................................................................................................................
78
13.2
CONDITIONS OF EXECUTING AN HALT INSTRUCTION ................................................................
80
13.3
STOP MODE .........................................................................................................................................
81
13.4
CONDITIONS OF EXECUTING AN HALT INSTRUCTION ................................................................
82
14. RESET ............................................................................................................................................. 83
14.1
RESET BY RESET SIGNAL INPUT ....................................................................................................
83
14.2
RESET BY WATCHDOG TIMER (RESET AND WDOUT PINS CONNECTED) ................................
83
14.3
RESET BY STACK POINTER (RESET AND WDOUT PINS CONNECTED) ....................................
83
15. ASSEMBLER RESERVED WORDS .............................................................................................. 85
15.1
MASK OPTION DIRECTIVES ..............................................................................................................
85
15.2
RESERVED SYMBOLS ........................................................................................................................
86
16. INSTRUCTION SET ........................................................................................................................ 94
16.1
OUTLINE OF INSTRUCTION SETS ....................................................................................................
94
16.2
LEGEND ................................................................................................................................................
95
16.3
LIST OF INSTRUCTION SETS ............................................................................................................
96
16.4
ASSEMBLER (AS17K) EMBEDDED MACROINSTRUCTIONS .........................................................
98
17. ELECTRICAL SPECIFICATIONS .................................................................................................. 99
18. PERFORMANCE CURVE (REFERENCE VALUE) ...................................................................... 106




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