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M34250E2 データシートの表示(PDF) - Renesas Electronics
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コンポーネント説明
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M34250E2
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
Renesas Electronics
M34250E2 Datasheet PDF : 59 Pages
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PORT BLOCK DIAGRAMS (CONTINUED)
External interrupt
EXF0
Key-on wakeup
input
Register A
One-sided edge
detection circuit
K0
2
Rising
0
1
Falling
IAG instruction
A
0
OGA instruction
DQ
T
MITSUBISHI MICROCOMPUTERS
4250 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
Pull-up transistor
PU0
0
(Note 1)
G
0
/INT
K0
1
Key-on wakeup
input
Register A
IAG instruction
Timer 1 underflow
signal output
A
1
DQ
OGA instruction T
1/2
1
0
V1
3
Pull-up transistor
PU0
0
(Note 1)
G
1
/T
OUT
Key-on wakeup
input
Register A
K0
1
IAG instruction
(Note 2)
Ak
OGA instruction
DQ
T
Pull-up transistor
PU0
0
(Note 1)
G
2
, G
3
Notes 1:
This symbol represents
a parasitic diode.
Applied potential to ports G
0
–G
3
must be V
DD
or less.
2: k represents 2 or 3.
10
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