參數(shù)資料
型號: MB90F334A
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): 78/116頁
文件大?。?/td> 632K
代理商: MB90F334A
MB90330 Series
78
16. External bus pin control circuit
The external bus pin control circuit controls external bus pins to extend the CPU address and data buses to
externals.
Register list
Block Diagram
Automatic ready function selection register (ARSR)
External address output control register (HACR)
Bus control signal selection register (EPCR)
Initial Value
0011- - 00
B
Address : 0000A5
H
Initial Value
* * * * * * * *
B
Address : 0000A6
H
Initial Value
1000*10 -
B
Address : 0000A7
H
W
*
:Write only
:Unused
:“1” or “0”
(W)
(W)
(W)
(
)
(
)
(W)
(W)
15
14
13
12
11
10
9
8
ICR0
(W)
ICR1
HMR1
HMR0
LMR1
LMR0
(W)
(W)
(W)
(W)
(W)
(W)
(W)
7
6
5
4
3
2
1
0
E22
(W)
E23
E21
E20
E19
E18
E17
E16
(W)
(W)
(W)
(W)
(W)
(W)
(
)
15
14
13
12
11
10
9
8
RYE
(W)
CKE
HDE
Reserved HMBS
(W)RE
LMBS
P3
P2
P1
P0
P0
P5
RB
P4
P5
Access
control
Access control
Address control
Data control
P0 direction
P0 data
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