M34282M2-XXXGP View Datasheet(PDF) - MITSUBISHI ELECTRIC
Part Name
Description
Manufacturer
M34282M2-XXXGP Datasheet PDF : 70 Pages
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PORT BLOCK DIAGRAMS
MITSUBISHI MICROCOMPUTERS
4282 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
Register Y
Decoder
SD instruction
RD instruction
CLD instruction
SQ
R
(Note 1)
Ports D0–D3
Register Y
Decoder
SD instruction
RD instruction
CLD instruction
Skip decision (SZD instruction)
Key-on wakeup
SQ
R
(Note 2) PU1i
Register A
Aj
(Note 3)
OEA
instruction
Aj
DQ
IAE instruction
T
Key-on wakeup input
(Note 3) PU0j
(Note 1)
Ports D4–D7 (Note 5)
Pull-down transistor
(Note 1)
Ports E0, E1 (Note 5)
Pull-down
transistor
Register A
A2
IAE instruction
Key-on wakeup input
Pull-down
transistor
Port E2 (Note 5)
(Note 1)
Register A
Aj
(Note 3)
OGA
instruction
Aj
Key-on wakeup input
DQ
T
IAG instruction
PU02
(Note 1)
Ports G0, G1 (Note 5)
Pull-down transistor
Register A
Ak
(Note 4)
OGA
instruction
DQ
T IAG instruction
Ak
Key-on wakeup input
CAR flag
SCAR instruction S Q
PU03
RCAR instruction R
CARRYD
(from timer 2)
(Note 1)
Ports G2, G3 (Note 5)
Pull-down transistor
CARRY
(to timer 1) (Note 1)
Port CARR
Timer 1 underflow signal
V12
DQ
T R V10
Carrier wave output control signal
Notes 1:
This symbol represents a parasitic diode.
2: i represents bits 0 to 3.
3: j represents bits 0, 1.
4: k represents bits 2, 3.
5: Applied voltage must be less than VDD.
MITSUBISHI
ELECTRIC
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