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455A датащи(PDF) 13 Page - Renesas Technology Corp

номер детали 455A
подробное описание детали  SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
PDF  148 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

455A датащи(HTML) 13 Page - Renesas Technology Corp

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Rev.1.01
Feb 15, 2008
Page 13 of 146
REJ03B0224-0101
455A Group
Fig 7.
Port block diagram (5)
K1k
Ak
Ak
D
T
Q
FR3k
PU1k
L3k
L3k
01
P20/SEG24,
P21/SEG25
(Note 2)
K1j
Aj
Aj
D
T
Q
FR3j
PU1j
L3j
L3j
01
P22/SEG26,
P23/SEG27
(Note 2)
Edge detection
circuit
Key-on wakeup
input
IAP2
instruction
OP2A
instruction
Register A
(Note 3)
Pull-up
transistor
LCD power supply
LCD control signal
LCD power
supply
(Note 3)
(Note 3)
(Note 1)
(Note 1)
Edge detection
circuit
IAP2
instruction
OP2A
instruction
Register A
(Note 4)
Pull-up
transistor
LCD power supply
LCD control signal
(Note 4)
LCD power
supply
(Note 4)
(Note 1)
(Note 1)
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.
(Note 3)
(Note 4)
Key-on wakeup
input
(Note 3)
(Note 3)
(Note 4)
(Note 4)



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