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參數(shù)資料
| 型號： | UPD75108A |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCOMPUTER |
| 中文描述： | 4位單片機 |
| 文件頁數(shù)： | 4/66頁 |
| 文件大?。?/td> | 460K |
| 代理商： | UPD75108A |
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μ
PD75104A, 75108A
4
CONTENTS
1.
PIN CONFIGURATION (TOP VIEW
)...............................................................................................
6
2.
BLOCK DIAGRAM
...........................................................................................................................
7
3.
PIN FUNCTIONS
..............................................................................................................................
3.1
PORT PINS.............................................................................................................................................
8
8
3.2
PINS OTHER THAN PORTS.................................................................................................................
9
3.3
PIN INPUT/OUTPUT CIRCUITS ...........................................................................................................
10
3.4
RECOMMENDED PROCESSING OF UNUSED PINS ..........................................................................
12
3.5
NOTES ON USING THE P00/INT4, AND RESET PINS......................................................................
13
4.
MEMORY CONFIGURATION
..........................................................................................................
14
5.
PERIPHERAL HARDWARE FUNCTIONS
........................................................................................
19
5.1
PORTS ....................................................................................................................................................
19
5.2
CLOCK GENERATOR CIRCUIT ............................................................................................................
20
5.3
CLOCK OUTPUT CIRCUIT ....................................................................................................................
21
5.4
BASIC INTERVAL TIMER .....................................................................................................................
22
5.5
TIMER/EVENT COUNTER .....................................................................................................................
22
5.6
SERIAL INTERFACE ..............................................................................................................................
24
5.7
PROGRAMMABLE THRESHOLD PORT (ANALOG INPUT PORT) ....................................................
26
5.8
BIT SEQUENTIAL BUFFER .... 16 BITS ...............................................................................................
27
5.9
POWER-ON FLAG (MASK OPTION) ....................................................................................................
27
6.
INTERRUPT FUNCTIONS
................................................................................................................
27
7.
STANDBY FUNCTIONS
..................................................................................................................
29
8.
RESET FUNCTION
...........................................................................................................................
30
9.
INSTRUCTION SET
.........................................................................................................................
33
10. APPLICATION EXAMPLES
..............................................................................................................
10.1
VCR CAMERA........................................................................................................................................
42
42
11. MASK OPTION SELECTION
...........................................................................................................
43
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