参数资料
型号: M38748E9F-XXXGP
厂商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 单芯片8位CMOS微机
文件页数: 16/92页
文件大小: 1292K
代理商: M38748E9F-XXXGP
16
3874 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Pull-up Control
P2
0
–P2
6
, T
X
D, S
CLK1
, S
OUT2,
and S
CLK2
can perform pull-up con-
trol by setting “1” to the pull-up register (address 0033
16
).
P2
0
–P2
7
’s pull-up is valid in the input mode, and T
X
D, S
CLK1
,
S
OUT2,
and S
CLK2
s’ pull-up is valid in the output mode.
Fig.11 Structure of Pull-up Register
0: No pull-up
1: Pull-up
Pull-up register
(PULLU : address 0033
16
)
P2
6
, P2
7
pull-up
P2
5
pull-up
P2
2
–P2
4
pull-up
P2
0
, P2
1
pull-up
T
X
D, S
CLK1
pull-up
S
OUT2
, S
CLK2
pull-up
Not used (returns “0” when read)
(Do not write “1” to these bits.)
b7
b0
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