參數(shù)資料
型號: MB90P634A
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專有
文件頁數(shù): 60/107頁
文件大?。?/td> 1589K
代理商: MB90P634A
60
MB90630A Series
13. External Bus Pin Control Circuit
The external bus pin control circuit controls the external bus pins required to extend the CPU’s address/data
bus outside the device.
(1) Register Configuration
(2) Block Diagram
0000A6
H
0000A5
H
15
14
13
12
11
10
9
ICR1
ICR0
HMR1
HMR0
LMR1
LMR0
8
(—)
(—)
(W)
(0)
(W)
(0)
(W)
(0)
(W)
(1)
(W)
(1)
(—)
(—)
(W)
(0)
Address:
ARSR
7
6
5
4
3
2
1
E23
E22
E21
E20
E19
E18
E17
E16
0
(W)
(0)
(W)
(0)
(W)
(0)
(W)
(0)
(W)
(0)
(W)
(0)
(W)
(0)
(W)
(0)
Address:
HACR
Auto-ready function selection register
External address output control register
Read/write
Initial value
Read/write
Initial value
0000A7
H
15
14
13
12
11
10
9
CKE
RYE
HDE
ICBS
HMBS
WRE
LMBS
8
(W)
(0)
(W)
(0)
(W)
(0)
(W)
(0)
(W)
(0)
(W)
(0)
(W)
(1/0)
(—)
(—)
Address:
EPCR
Bus control signal selection register
Read/write
Initial value
bit
bit
bit
P3
P2
P1
P0
Access control
Access control
P0
Address control
Data control
P0 data
P0 direction
P3
RB
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