Arcam DiVA AVR200 - Page 38

SURROUND SOUND RECEIVER
AA
AA
VV
VV
RR
RR
22
22
00
00
00
00
- 45 -
KEY BOARD
U201: LC87F65C8A
Interrupt Control
IR
Flash ROM
PC
ACC
B Register
C Register
PSW
RAR
RAM
Stack Pointer
Watch Dog Timer
ALU
PLA
Stand-by Control
CF
Clock
Generator
RC
X'tal
Bus Interface
Port 0S100 Port 1S101 Port 3Timer 0 Port 7Timer 1 Port 8Base Timer
ADCVFD Controller
Weak Signal Detector
INTO-3 Noise rejection Filter
KEY BOARD
U202: 24C08
VCC
8
7
4
6
5
3
2
1
GND
WP
SCL
LOAD
LOAD INC
DATA WORD
ADDR/COUNTER
Y DEC
X DEC
R/W
COMP
SERIAL
CONTROL
LOGIC
EN
H.V. PUMP/TIMING
DATA RECOVERY
EEPROM
SERIAL MUX
D
OUT
/ACK
LOGIC
DEVICE
ADDRESS
COMPARATOR
START
STOP
LOGIC
SDA
A
2
A
1
A
0
D
IN
D
OUT