UPD784938 Datasheet, PDF (45/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 1 GENERAL
1.4 Application System Configuration Example (Car Audio (Tuner, Deck))
Front panel
Remote controller
signal receiver circuit
µPC2800A, etc.
FIP^TM
Key matrix
FIP
controller/driver
µPD16312, etc.
LED
Audio system
control circuit
Electronic
volume
EEPROM^TM
µPD784938
Interrupt input
General-purpose
port
SIO with automatic
transmit/receive
function
3-wire
serial I/O
3-wire serial I/O
IEBus
controller
Cassette deck
unit
Tuner pack
IEBus
driver/
receiver
IEBus
CD unit
(changer,
single CD, etc.)
DSP unit
TV unit
Preliminary User’s Manual U13987EJ1V0UM00
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