UPD784915B Datasheet, PDF (8/86 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLERS

SYSTEM CONFIGURATION EXAMPLE
• Camera-contained VCR
Drum motor M
Capstan motor M
µ PD784916B
DFG _DFGIN
PORT
DPGIN
DPG
PORT
Driver
PWM0
CFG
CFGIN
PORT
SCK1
SI1
SO1
INTP0
Driver
PWM1
CTL head
Loading motor M
RECCTL+
RECCTL-
Driver
PWM2
PORT
SCK2
SO2
BUSY
Audio/video
signal
processing
circuit
PORT
Composite sync signal
CSYNCIN
Video head switch
PTO00
Audio head switch
PTO01
Pseudo vertical sync signal _P80
Remote
controller
signal
Remote controller
reception signal
INTP2
µ PC2800A
X1 X2
PORT
STRB
PORT
XT1 XT2
µPD784915B, 784916B
Key matrix
INTP0
SCK ^Camera-
SO
controlling
microcontroller
SI _{µ PD784036}
PORT
Camera block
CS
CLK
DATA
BUSY
LCD C/D
µ PD7225
LCD display panel
CS
CLK
DATA
BUSY
STB
OSD
µ PD6461
Mechanical block
16 MHz
32.768 kHz
8