參數資料
型號: MB90487B
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: 74/120頁
文件大?。?/td> 1241K
代理商: MB90487B
MB90480/485 Series
74
18. External Bus Pin Control Circuit
The external bus pin control circuit controls the external bus pins used to expand the CPU address/data bus
connections to external circuits.
(1) Register List
(2) Block Diagram
Auto ready function select register (ARSR)
External address output control register (HACR)
Bus control signal select 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
: Not used
: May be either “1” or “0”
W
W
W
W
W
15
14
13
12
11
10
9
8
IOR0
W
IOR1
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
IOBS
HMBS
WRE
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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相關代理商/技術參數
參數描述
MB90487BPF 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Microcontroller
MB90487BPFV 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90487BPMC 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Microcontroller
MB90487PF 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller CMOS
MB90487PFV 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller CMOS