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參數(shù)資料
| 型號(hào)： | UPD17233MC |
| 廠商： | NEC Corp. |
| 元件分類： | 4位微控制器 |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| 中文描述： | 4位單片機(jī)的小型通用紅外遙控器 |
| 文件頁數(shù)： | 6/92頁 |
| 文件大?。?/td> | 378K |
| 代理商： | UPD17233MC |
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Data Sheet U14360EJ1V0DS00
μ
PD17230, 17231, 17232, 17233, 17234, 17235, 17236
6
CONTENTS
1.
PIN FUNCTIONS ..........................................................................................................................
1.1
Pin Function List...............................................................................................................
1.2
Input/Output Circuits........................................................................................................
1.3
Processing of Unused Pins.............................................................................................
8
8
10
11
2.
MEMORY SPACE.........................................................................................................................
2.1
Program Counter (PC)......................................................................................................
2.2
Program Memory (ROM) ..................................................................................................
2.3
Stack ...................................................................................................................................
2.4
Data Memory (RAM)..........................................................................................................
2.5
Register File (RF) ..............................................................................................................
12
12
15
17
19
26
3.
PORTS ..........................................................................................................................................
3.1
Port 0A (P0A
0
through P0A
3
) ...........................................................................................
3.2
Port 0B (P0B
0
through P0B
3
) ...........................................................................................
3.3
Port 0C (P0C
0
through P0C
3
) ...........................................................................................
3.4
Port 0D (P0D
0
through P0D
3
) ...........................................................................................
3.5
Port 0E (P0E
0
through P0E
3
)............................................................................................
3.6
Port 1A (P1A
0
)....................................................................................................................
3.7
INT Pin ................................................................................................................................
3.8
Switching Bit I/O ...............................................................................................................
3.9
Selecting I/O Mode of Group I/O.....................................................................................
3.10 Specifying Pull-up Resistor Connection .......................................................................
29
29
29
29
29
30
30
31
32
34
35
4.
CLOCK GENERATOR CIRCUIT .................................................................................................
4.1
Instruction Execution Time (CPU Clock) Selection .....................................................
36
36
5.
8-BIT TIMER AND REMOTE CONTROLLER CARRIER GENERATOR CIRCUIT ..................
5.1
Configuration of 8-bit Timer (with modulo function)...................................................
5.2
Function of 8-bit Timer (with modulo function) ...........................................................
5.3
Carrier Generator Circuit for Remote Controller .........................................................
37
37
39
41
6.
BASIC INTERVAL TIMER/WATCHDOG TIMER ........................................................................
6.1
Source Clock for Basic Interval Timer...........................................................................
6.2
Controlling Basic Interval Timer.....................................................................................
6.3
Operation Timing for Watchdog Timer ..........................................................................
46
46
46
48
7.
INTERRUPT FUNCTIONS ...........................................................................................................
7.1
Interrupt Sources ..............................................................................................................
7.2
Hardware of Interrupt Control Circuit ............................................................................
7.3
Interrupt Sequence ...........................................................................................................
49
49
50
53
8.
STANDBY FUNCTIONS...............................................................................................................
8.1
HALT Mode.........................................................................................................................
8.2
HALT Instruction Execution Conditions........................................................................
55
55
56
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