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參數(shù)資料
| 型號： | UPD750004GBA |
| 廠商： | NEC Corp. |
| 英文描述： | 4 BIT SINGLE-CHIP MICROCONTROLLER |
| 中文描述： | 4位單片機(jī) |
| 文件頁數(shù)： | 4/84頁 |
| 文件大小： | 719K |
| 代理商： | UPD750004GBA |
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4
μ
PD750004, 750006, 750008, 750004(A), 750006(A), 750008(A)
CONTENTS
1.
PIN CONFIGURATION (TOP VIEW) .........................................................................................
6
2.
BLOCK DIAGRAM......................................................................................................................
8
3.
PIN FUNCTIONS.........................................................................................................................
3.1
PORT PINS......................................................................................................................................
3.2
NON-PORT PINS ............................................................................................................................
3.3
PIN INPUT/OUTPUT CIRCUITS.....................................................................................................
3.4
CONNECTION OF UNUSED PINS ................................................................................................
9
9
10
11
13
4.
Mk
Ι
MODE/Mk
ΙΙ
MODE SWITCH FUNCTION ........................................................................
4.1
DIFFERENCES BETWEEN Mk
Ι
MODE AND Mk
ΙΙ
MODE ........................................................
4.2
SETTING OF THE STACK BANK SELECTION REGISTER (SBS) ............................................
14
14
15
5.
MEMORY CONFIGURATION.....................................................................................................
16
6.
PERIPHERAL HARDWARE FUNCTIONS ................................................................................
6.1
DIGITAL I/O PORTS .......................................................................................................................
6.2
CLOCK GENERATOR ....................................................................................................................
6.3
CONTROL FUNCTIONS OF SUBSYSTEM CLOCK OSCILLATOR............................................
6.4
CLOCK OUTPUT CIRCUIT ............................................................................................................
6.5
BASIC INTERVAL TIMER/WATCHDOG TIMER...........................................................................
6.6
CLOCK TIMER ................................................................................................................................
6.7
TIMER/EVENT COUNTER..............................................................................................................
6.8
SERIAL INTERFACE ......................................................................................................................
6.9
BIT SEQUENTIAL BUFFER...........................................................................................................
21
21
21
23
24
25
26
27
30
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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