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UPD75218 Datasheet(PDF) 39 Page - NEC

Part # UPD75218
Description  4-BIT SINGLE-CHIP MICROCOMPUTER
PDF  62 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD75218 Datasheet(HTML) 39 Page - NEC

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39
µPD75218
Main power supply
Power
failure
detection
LPF
Electronic
tuner
Tape count pulse
Tape up/down
SCK
SO
SI
PD75104 or PD75106
µ
PD6252
PD6253
PD6254
µ
X1
X2
XT1
XT2
BZ
Piezoelectric buzzer
Super capacitor
Fluorescent indication panel (FIP)
16 segments
× 10 digits
10
16
Key matrix
(16
× 4)
Remote-controller
signal
PC2800A
µ
Timer
Tuner
Remote-
controller
signal
reception
Tape counter
INT4
PPO
INT1
SCK
SO
VDD
VSS
T0–T9
S0–S15
PORT6
INT0
BUZ
+
PD75218
µ
System
controller
microcomputer
EEPROM™
µ
µ
µ
11.
APPLICATION BLOCK DIAGRAM
11.1
VCR TIMER TUNER



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