UPD784915B Datasheet, PDF (9/86 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLERS

µPD784915B, 784916B
• Stationary VCR
Drum motor M
µ PD784916B
DFG _DFGIN
DPGIN
DPG
PORT
SCK1
SI1
Driver
PWM0
SO1
STB
CLK
DOUT
DIN
FIP^TM C/D
µ PD16311
CFG
CFGIN
FIP Key matrix
Capstan motor M
Driver
CTL head
Loading motor M
Driver
Reel FG0
M
Driver
PWM1
RECCTL+
PORT
SCK2
SO2
CS
CLK
OSD
µ PD6464
DATA
RECCTL-
PWM2
REEL0IN
PWM3
PORT
Composite sync signal
CSYNCIN
Audio/video signal
PTO00 ^{Video head switch}
processing circuit
PTO01 ^{Audio head switch}
P80 ^{Pseudo vertical sync signal}
PWM5
PORT
Tuner
Reel motor
M
Driver
Reel FG1
PWM4
PORT
REEL1IN
INTP2
Low frequency
oscillation mode
X1 X2 XT1 XT2
Mechanical block
Remote controller
reception signal
Remote controller
signal
µ PC2800A
8 MHz 32.768 kHz
9