参数资料
型号: M34556M4H-XXXFP
元件分类: 微控制器/微处理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO42
封装: 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42
文件页数: 13/145页
文件大小: 1066K
代理商: M34556M4H-XXXFP
Rev.3.02
Dec 22, 2006
page 11 of 142
REJ03B0025-0302
4556 Group
Port block diagram (4)
P10/SEG25, P11/SEG26
C2j
(Note 1)
LCD control
signal
LCD power supply
LCD power
supply
Notes 1:
(Note 1)
FR02
OP1A instruction
Register A
Aj
D
IAP1
instruction
TQ
C2j
01
This symbol represents a parasitic diode on the port.
2: Applied potential to these ports must be VDD or less.
3: j represents bits 0 and 1.
4: k represents bits 2 and 3.
K02
Edge detection
circuit
key-on
wakeup
input
PU1j
Pull-up transistor
Level detection
circuit
K11
1
0
K10
1
0
P12/SEG27, P13/SEG28
C2k
(Note 1)
LCD control
signal
LCD power supply
LCD power
supply
(Note 1)
FR03
OP1A instruction
Register A
Ak
D
IAP1
instruction
TQ
C2k
01
K03
Edge detection
circuit
key-on
wakeup
input
PU1k
Pull-up transistor
Level detection
circuit
K13
1
0
K12
1
0
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