参数资料
型号: M34559G6FP
元件分类: 微控制器/微处理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP52
封装: 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件页数: 6/70页
文件大小: 1799K
代理商: M34559G6FP
Rev.1.04
Aug 23, 2007
Page 14 of 146
REJ03B0188-0104
4559 Group
Fig 8.
Port block diagram (6)
K23
Ak
D
T
Q
FR23
PU3k
C3k
01
P30/SEG28,
P31/SEG29
(Note 2)
K22
Aj
D
T
Q
FR22
PU3j
C3j
01
P32/SEG30,
P33/SEG31
(Note 2)
0
1
0
1
K32
K33
0
1
0
1
K30
K31
Edge detection circuit
Key-on wakeup
input
IAP3
instruction
OP3A
instruction
Register A
Pull-up
transistor
LCD power supply
LCD control signal
LCD power
supply
(Note 3)
(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 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 VDD or less.
3. j represents bits 0, 1.
4. k represents bits 2, 3.
5. For setting key-on wakeup of ports P30 and P31 to be invalid (K22 = “0”)
set registers K30 and K31 to “0.”
6. For setting key-on wakeup of ports P32 and P33 to be invalid (K23 = “0”)
set registers K32 and K33 to “0.”
Key-on wakeup
input
(Note 5)
(Note 6)
(Note 5)
(Note 6)
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