UPD78P4916 Datasheet, PDF (10/56 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLER

• Deck-type VCR
µPD78P4916
Drum
motor
M
Capstan
motor
M
DFG
DPG
Driver
µ PD78P4916
DFGIN
DPGIN
PWM0
PORT
SCK1
SI1
SO1
CFG _CFGIN
Driver
PWM1
PORT
SCK2
SO2
STB
CLK
TM
FIP C/D
DOUT µPD16311
DIN
FIP ^{Key matrix}
CS
CLK
OSD
µ PD6454
DATA
CTL
head
Loading
motor
M
Driver
Reel FG0
RECCTL+
RECCTL–
PWM2
REEL0IN
PORT
CSYNCIN
PTO00
PTO01
P80
Composite
synchronous signal
Video head switch
Audio head switch
Pseudo-vertical
synchronous signal
Audio-video
signal
processor unit
M
Reel
motors
M
Driver
PWM3
Driver
PWM4
PWM5
PORT
PORT
Tuner unit
Mechanical block
Reel FG1
REEL1IN
Low-frequency
oscillation mode
INTP2
X1 X2 XT1 XT2
Remote control
receive signal
Signals from
remote controller
µ PC2800A
8 MHz 32.768 kHz
10