參數(shù)資料
型號(hào): UPD784224YGC
廠商: NEC Corp.
英文描述: 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 16/8-BIT單晶片微控制器
文件頁(yè)數(shù): 55/92頁(yè)
文件大?。?/td> 687K
代理商: UPD784224YGC
55
μ
PD784224, 784225, 784224Y, 784225Y
Data Sheet U12376EJ1V0DS00
12. ROM CORRECTION
ROM correction is a function to replace part of the program in the internal ROM with a program in the internal
RAM.
By using the ROM correction function, instruction bugs found in the internal ROM can be avoided or the flow of
the program can be changed.
ROM correction can be used at up to four places in the internal ROM (program).
Figure 12-1. Block Diagram of ROM Correction
CORENn CORCHm
Program counter (PC)
Comparator
Correction address pointer n
Correction address registers
(CORAH, CORAL)
Coincidence
Correction branch processing
request signal
(CALLT instruction)
Internal bus
ROM correction control register (CORC)
Remark
n = 0 to 3, m = 0 or 1
相關(guān)PDF資料
PDF描述
UPD784225YGC 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784225YGK 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784225GC 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784225GK 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784224 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
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