参数资料
型号: MB90F334APFF
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP120
封装: 14 X 14 MM, 1.70 MM HEIGHT, 0.40 MM PITCH, PLASTIC, LFQFP-120
文件页数: 97/120页
文件大小: 1210K
代理商: MB90F334APFF
MB90330A 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)
bit
Initial Value
Address : 0000A5H
0011- - 00B
bit
Initial Value
Address : 0000A6H
* * * * * * * * B
bit
Initial Value
Address : 0000A7H
1000*10 -B
W
*
:Write only
:Unused
:“1” or “0”
(W)
(
)()
(W)
15
14
13
12
11
10
9
8
ICR0
(W)
ICR1
HMR1
HMR0
LMR1
LMR0
(W)
76
5
4
3
2
1
0
E22
(W)
E23
E21
E20
E19
E18
E17
E16
(W)
(
)
15
14
13
12
11
10
98
RYE
(W)
CKE
HDE
Reserved HMBS
(W)RE
LMBS
P3
P2
P1
P0
P5
RB
P4
P5
Access
control
Access control
Address control
Data control
P0 direction
P0 data
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