參數(shù)資料
型號： UPD62AMC-XXX-5A4-A
元件分類： 微控制器/微處理器
英文描述： 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20
封裝： 0.300 INCH, PLASTIC, SSOP-20
文件頁數(shù)： 34/62頁
文件大小： 272K
代理商： UPD62AMC-XXX-5A4-A
4
PD62A
Data Sheet U14474EJ2V0DS00
TABLE OF CONTENTS
1. PIN FUNCTIONS ..........................................................................................................................
6
1.1
List of Pin Functions .........................................................................................................................
6
1.2
Pin Input/Output Circuits ..................................................................................................................
7
1.3
Recommended Connection of Unused Pins ...................................................................................
8
2. INTERNAL CPU FUNCTIONS .....................................................................................................
9
2.1
Program Counter (PC) ......................................................................................................................
9
2.2
Stack Pointer (SP) .............................................................................................................................
9
2.3
Address Stack Register (ASR (RF)) .................................................................................................
9
2.4
Program Memory (ROM) ................................................................................................................... 10
2.5
Data Memory (RAM) .......................................................................................................................... 10
2.6
Data Pointer (DP) ............................................................................................................................... 11
2.7
Accumulator (A) ................................................................................................................................ 11
2.8
Arithmetic and Logic Unit (ALU) ...................................................................................................... 12
2.9
Flags ................................................................................................................................................... 12
2.9.1
Status flag (F) .......................................................................................................................... 12
2.9.2
Carry flag (CY) ........................................................................................................................ 13
3. PORT REGISTERS (PX) .............................................................................................................. 14
3.1
KI/O Port (P0) ....................................................................................................................................... 15
3.2
KI Port/Special Ports (P1) ................................................................................................................. 16
3.2.1
KI port (P11: bits 4 to 7 of P1) .................................................................................................. 16
3.2.2
S0 port (bit 2 of P1) .................................................................................................................. 16
3.2.3
S1/LED (bit 3 of P1) ................................................................................................................. 16
3.3
Control Register 0 (P3) ..................................................................................................................... 17
3.4
Control Register 1 (P4) ..................................................................................................................... 18
4. TIMER ........................................................................................................................................... 19
4.1
Timer Configuration .......................................................................................................................... 19
4.2
Timer Operation ................................................................................................................................. 20
4.3
Carrier Output .................................................................................................................................... 21
4.4
Software Control of Timer Output ................................................................................................... 21
5. STANDBY FUNCTION ................................................................................................................. 22
5.1
Outline of Standby Function ............................................................................................................ 22
5.2
Standby Mode Setting and Release ................................................................................................
23
5.3
Standby Mode Release Timing ........................................................................................................ 24
6. RESET PIN ................................................................................................................................... 26
7. POC CIRCUIT (MASK OPTION) .................................................................................................. 27
7.1
Functions of POC Circuit .................................................................................................................. 28
7.2
Oscillation Check at Low Supply Voltage ....................................................................................... 28
8. SYSTEM CLOCK OSCILLATOR ................................................................................................. 29
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