upd75212a Renesas Electronics Corporation., upd75212a Datasheet - Page 44

• Manufacturer Part Number: upd75212a
• Description: 4-bit Single-chip Microcomputer
• Manufacturer: Renesas Electronics Corporation.

44
11. APPLICATION BLOCK DIAGRAM
11.1 VCR TIMER TUNER
Tape Count Pulse
Tape Up/Down
PD75104/75106
System Controller
Microcomputer SI
EEPROM™
PD6252
Electronic
Tuner
SCK
SO
Main Power Supply
Detection
Power
Failure
LPF
INT4
PPO
INT1
SCK
SO
X1
PD75212A
Timer
Tuner
Remote
Controlled
Reception
Tape Counter
X2
V
DD
XT1
+
V
S0–S15
SS
PORT6
XT2
T0–T9
INT0
BUZ
Super Capacitor
10
16
BZ
Fluorescent Display Panel (FIP)
16 Segments
Piezoelectric Buzzer
PC2800A
Key Matrix
(16
4)
10 Digits
Remote Controlled
Signal
PD75212A