參數(shù)資料
型號(hào): 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(yè)數(shù): 38/62頁(yè)
文件大小: 272K
代理商: UPD62AMC-XXX-5A4-A
43
PD62A
Data Sheet U14474EJ2V0DS00
9.8 Subroutine Instructions
The program memory consists of pages in steps of 1K (000H to 3FFH). However, as the assembler automatically
performs page optimization, it is unnecessary to designate pages. The pages allowed for each product are as
follows.
PD62A (ROM: 0.5 K steps):
page 0
PD6P4B (PROM: 1 K steps): page 0
CALL addr
<1> Instruction code:
0 01101001 0
page 0
0100010001
; page 1 0100110001
a9 a7 a6 a5 a4 a8 a3 a2 a1 a0
<2> Cycle count:
2
<3> Function:
SP
← SP + 1
ASR
← PC
PC
← addr
The stack pointer value is incremented (+1) and the program counter value is saved in the address stack
register. Then, the address specified with the operand addr (a9 to a0) is entered in the program counter.
If a carry is generated when the stack pointer value is incremented (+1), an internal reset takes effect.
RET
<1> Instruction code:
0 10001001 0
<2> Cycle count:
1
<3> Function:
PC
← ASR
SP
← SP – 1
The value saved in the address stack register is restored to the program counter. Then, the stack
pointer is decremented (–1) .
If a borrow is generated when the stack pointer value is decremented (–1), an internal reset takes effect.
相關(guān)PDF資料
PDF描述
UPD703201YGC-XXX-YEU-A 32-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP100
UPD703270GF-XXX-JBT 32-BIT, MROM, 20 MHz, RISC MICROCONTROLLER, PQFP100
UPD70F3008GJ-33-8EU 32-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP144
UPD70F3017AYF1-EA6-A 32-BIT, FLASH, 20 MHz, MICROCONTROLLER, PBGA121
UPD70F3015BGC-8EU-A 32-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD62MC 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
UPD6300C 制造商:NEC 制造商全稱:NEC 功能描述:MOS DIGITAL INTEGRATED CIRCUIT
UPD6301 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ASIC
UPD6307 制造商:NEC 制造商全稱:NEC 功能描述:UPD6307 LCD ROW DRIVER
UPD6307G 制造商:NEC 制造商全稱:NEC 功能描述:UPD6307 LCD ROW DRIVER