参数资料
型号: MB89PV920CF
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 8 MHz, MICROCONTROLLER, CQFP80
封装: CERAMIC, MQFP-80
文件页数: 17/44页
文件大小: 1091K
代理商: MB89PV920CF
MB89920 Series
24
DS07-12526-2E
(Continued)
–: Unused X: Undefined
Note: Do not use vacancies
Address
Read/write
Register
Register description
Initial value
40H
(R/W)
USMR
UART mode register
0 0 0 0 0 0 0 0 B
41H
(R/W)
USCR
UART control register
0 0 0 0 0 0 0 0 B
42H
(R/W)
USTR
UART status register
0 0 0 0 1 X X X B
43H
(R)
(W)
RXDR
TXDR
UART receiver data register
UART transmitter data register
X X X X X X X X B
44H
Vacancy
45H
(R/W)
RRDR
Baud rate generator/reload data register
X X X X X X X X B
46H
Vacancy
47H
Vacancy
48 to 5FH
Vacancy
60 to 6DH
(R/W)
VRAM
Display data RAM
X X X X X X X X B
70H
(R/W)
LCR1
LCD controller/driver control register 1
0 0 0 0 0 0 0 0 B
71H
(R/W)
LCR2
LCD controller/driver control register 2
0 0 0 – – – – – B
72H
(R/W)
LCR3
LCD controller/driver control register 3
0 0 0 0 0 0 0 0 B
73 to 7BH
Vacancy
7CH
(W)
ILR1
Interrupt level setting register 1
1 1 1 1 1 1 1 1 B
7DH
(W)
ILR2
Interrupt level setting register 2
1 1 1 1 1 1 1 1 B
7EH
(W)
ILR3
Interrupt level setting register 3
1 1 1 1 1 1 1 1 B
7FH
Vacancy
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