参数资料
型号: MB90522BPFV
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120
封装: PLASTIC, QFP-120
文件页数: 69/99页
文件大小: 978K
代理商: MB90522BPFV
MB90520A/520B Series
71
19. ROM Mirror Function Selection Module
The ROM mirror function selection module enables ROM data in FF bank to be read by accessing 00 bank.
ROM mirror function selection module functions
Relationship between addresses in the ROM mirror function
Block diagram
Function
Mirror setting address
Data in FFFFFFH to FF4000H in FF bank can be read from 00FFFFH to 004000H
in 00 bank.
Interrupts
None
EI2OS support
Not supported by the extended intelligent I/O service (EI2OS) .
004000H
00FFFFH
FE0000H
FEFFFFH
FF0000H
FF4000H
FFFFFFH
00 bank mirror area
Mirrored ROM data area
in FF bank
ROM area in MB90523A, 523B, and F523B
ROM area in MB90522A and 522B
MI
ROM
ROM mirror function selection register (ROMM)
Internal
data
bus
Address
Data
Address space
FF bank
00 bank
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