參數(shù)資料
型號: MB90574PFF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: Octal Buffers/Drivers With 3-State Outputs 20-LCCC -55 to 125
中文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120
封裝: PLASTIC, LQFP-120
文件頁數(shù): 71/135頁
文件大?。?/td> 2504K
代理商: MB90574PFF
71
MB90570 Series
15. Chip Select Output
This module generates a chip select signal for facilitating a memory and I/O unit, and is provided with eight chip
select output pins. When access to an address is detected with a hardware-set area set for each pin register,
a select signal is output from the pin.
(1) Register Configuration
Chip selection control register 1, 3, 5, 7 (CSCR1, CSCR3, CSCR5, CSCR7)
Address
CSCR1: 000081
H
CSCR3: 000083
H
CSCR5: 000085
H
CSCR7: 000087
H
Chip selection control register 0, 2, 4, 6 (CSCR0, CSCR2, CSCR4, CSCR6)
Address
CSCR0: 000080
H
CSCR2: 000082
H
CSCR4: 000084
H
CSCR6: 000086
H
bit 7 . . . . . . . . . . . .
ACTL
OPEL
CSA1
CSA0
bit 15
bit 14
bit 13
bit 12
bit 11
bit 10
bit 9
bit 8
(CSCR0, CSCR2, CSCR4, CSCR6)
R/W
R/W
R/W
R/W
bit 15 . . . . . . . . . . . .
(CSCR1, CSCR3, CSCR5, CSCR7)
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R/W: Readable and writable
— : Reserved
Initial value
- - - - 0000
B
Initial value
- - - - 0000
B
R/W
R/W
R/W
R/W
ACTL
OPEL
CSA1
CSA0
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參數(shù)描述
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