參數(shù)資料
型號: MB90613APF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 31/91頁
文件大?。?/td> 1537K
代理商: MB90613APF
37
MB90610A Series
6.
Chip Select Function
This module generates chip select signals to simplify connection of memory or I/O devices. The module has 8
chip select output pins. The hardware outputs the chip select signals from the pins when it detects access of
an address in the areas specified in the pin registers.
(1) Register Configuration
(2) Block Diagram
bit
————
ACTL OPEL CSA1 CSA0
Chip select control register
(odd numbers:
CSCR1/3/5/7)
15
14
13
12
11
10
9
8
————
ACTL OPEL CSA1 CSA0
Chip select control register
(even numbers:
CSCR0/2/4/6)
76543210
Address : 000049H
: 00004BH
: 00004DH
: 00004FH
Address : 000048H
: 00004AH
: 00004CH
: 00004EH
Selector
Chip select control register 0
Chip select control register 1
CS0
(For the program
ROM area)
CS1
CS6
Address (from CPU)
Address decoder
A23
A16 A15
A08 A07
A00
Decode signal
Program area
Decode
Selection setting
Selector
Chip select control register 6
Chip select control register 7
CS7
Selection setting
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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