UPD750008GB データシートの表示（PDF） - NEC => Renesas Technology
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UPD750008GB Datasheet PDF : 84 Pages
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µPD750004, 750006, 750008, 750004(A), 750006(A), 750008(A)
CONTENTS
1. PIN CONFIGURATION (TOP VIEW) ......................................................................................... 6
2. BLOCK DIAGRAM ...................................................................................................................... 8
3. PIN FUNCTIONS ......................................................................................................................... 9
3.1 PORT PINS ...................................................................................................................................... 9
3.2 NON-PORT PINS ............................................................................................................................ 10
3.3 PIN INPUT/OUTPUT CIRCUITS ..................................................................................................... 11
3.4 CONNECTION OF UNUSED PINS ................................................................................................ 13
4. Mk Ι MODE/Mk ΙΙ MODE SWITCH FUNCTION ........................................................................ 14
4.1 DIFFERENCES BETWEEN Mk Ι MODE AND Mk ΙΙ MODE ........................................................ 14
4.2 SETTING OF THE STACK BANK SELECTION REGISTER (SBS) ............................................ 15
5. MEMORY CONFIGURATION ..................................................................................................... 16
6. PERIPHERAL HARDWARE FUNCTIONS ................................................................................ 21
6.1 DIGITAL I/O PORTS ....................................................................................................................... 21
6.2 CLOCK GENERATOR .................................................................................................................... 21
6.3 CONTROL FUNCTIONS OF SUBSYSTEM CLOCK OSCILLATOR ............................................ 23
6.4 CLOCK OUTPUT CIRCUIT ............................................................................................................ 24
6.5 BASIC INTERVAL TIMER/WATCHDOG TIMER ........................................................................... 25
6.6 CLOCK TIMER ................................................................................................................................ 26
6.7 TIMER/EVENT COUNTER .............................................................................................................. 27
6.8 SERIAL INTERFACE ...................................................................................................................... 30
6.9 BIT SEQUENTIAL BUFFER ........................................................................................................... 32
7. INTERRUPT FUNCTIONS AND TEST FUNCTIONS ................................................................ 33
8. STANDBY FUNCTION................................................................................................................ 35
9. RESET FUNCTION ..................................................................................................................... 36
10. MASK OPTION ........................................................................................................................... 39
11. INSTRUCTION SET .................................................................................................................... 40
12. ELECTRICAL CHARACTERISTICS .......................................................................................... 53
13. CHARACTERISTIC CURVE (REFERENCE VALUES) ............................................................. 67
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