參數(shù)資料
型號: M34559G6
廠商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
中文描述: 單芯片4位微機(jī)的CMOS
文件頁數(shù): 14/148頁
文件大?。?/td> 1732K
代理商: M34559G6
Rev.1.04
REJ03B0188-0104
Aug 23, 2007
Page 14 of 146
4559 Group
Fig 8.
Port block diagram (6)
K2
3
A
k
A
k
D
T
Q
FR2
3
PU3
k
(Note 4)
C3
k
C3
k
0
1
P3
0
/SEG
28
,
P3
1
/SEG
29
(Note 2)
K2
2
A
j
j
D
T
Q
FR2
2
PU3
j
(Note 3)
C3
j
C3
j
0
1
P3
2
/SEG
30
,
P3
3
/SEG
31
(Note 2)
0
1
0
1
K3
2
K3
3
0
1
0
1
K3
0
K3
1
Edge detection circuit
Key-on wakeup
input
IAP3
instruction
OP3A
instruction
RegisterA
Pull-up
transistor
LCD power supply
LCD control signal
LCD power
supply
(Note 3)
(Note 1)
(Note 1)
(Note 3)
Edge detection circuit
(Note 3)
Edge detection circuit
IAP3
instruction
OP3A
instruction
Register A
Pull-up
transistor
LCD power supply
LCD control signal
LCD power
supply
(Note 4)
(Note 1)
(Note 1)
(Note 4)
Edge detection circuit
(Note 4)
Notes 1.
This symbol represents a parasitic diode on the port.
2. Applied potential to these ports must be V
DD
or less.
3. j represents bits 0, 1.
4. k represents bits 2, 3.
5. For setting key-on wakeup of ports P3
0
and P3
1
to be invalid (K2
2
= “0”)
set registers K3
0
and K3
1
to “0.”
6. For setting key-on wakeup of ports P3
2
and P3
3
to be invalid (K2
3
= “0”)
set registers K3
2
and K3
3
to “0.”
Key-on wakeup
input
(Note 5)
(Note 6)
(Note 5)
(Note 5)
(Note 6)
(Note 6)
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