參數(shù)資料
型號: M34551M4-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 10 MM, 0.65 MM PITCH, PLASTIC, QFP-48
文件頁數(shù): 71/71頁
文件大?。?/td> 966K
代理商: M34551M4-XXXFP
6
MITSUBISHI MICROCOMPUTERS
4551 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for
INFRARED REMOTE CONTROL TRANSMITTER
PORT BLOCK DIAGRAMS
D
T
Q
Key-on wakeup
input
Register A
Ai
IAP0 instruction
Ai
Pull-up
transistor
P00–P03
(Note 1)
OP0A instruction
D
T
Q
OP1A instruction
Key-on wakeup
input
Register A
Ai
IAP1 instruction
Pull-up
transistor
Ai
P10–P13
PU0i
(Note 1)
Connected to
when selecting SEG
LCD
power
supply
LCD power supply
L2i
Register A
IAP2 instruction
LCD control signal
P20/SEG16–P23/SEG19
(Note 1)
Register Y
Decoder
SD instruction
RD instruction
S
RQ
CLD
instruction
D0–D4
Register Y
Decoder
SD instruction
RD instruction
S
R
Q
CLD instruction
D5/INT
INT input
(Note 1)
This symbol represents a parasitic diode.
Notes 1:
i represents bit 0, 1, 2 or 3.
2:
MR2
MR2
0
1
MR2
0
1
D7/XCOUT
MR2
D6/XCIN
XCIN clock
Register Y
Decoder
SD instruction
RD instruction
S
RQ
CLD
instruction
Register Y
Decoder
SD instruction
RD instruction
S
RQ
CLD
instruction
(Note 1)
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