Ic451 (M38504M6200F):System Control - Technics SL-EH560 Service Manual

15.1 IC451 (M38504M6200F):/System Control
TOP PREVIOUS NEXT
Pin No. Terminal Name I/O
1
2
3
4
5
6
7
8
9
10
11 DATA O
12
13
14 RESTSW
15
16 SERVO RST
17
18
19
20
21
22 LED ORG
23
24 E-DATA
25 LED GRN
26
27 MDATA
28
29
Vcc I Power supply terminal
VREF I Reference voltage input
AVSS - GND terminal
SYNC I Power failure detect signal input
SUBQ I Sub-code Q data signal input
SQCK O Sub code Q resistor clock signal output
BLKCK I Block clock signal input
CD REQ I Serial communication signal to Sound Processor (Request signal input)
B CS O Serial communication signal to Sound Processor (Chip select signal output)
B CLK O Serial communication signal to Sound Processor (Clock signal output)
O Serial communication signal to Sound Processor (Data signal output)
DATA I I Serial communication signal to Sound Processor (Data signal input)
TEST I Test mode select signal input/(Connected to VCC via resistor)
I Rest switch signal input
CNVSS - Connected to VSS
O Reset signal output for CD servo IC
E-CS - EEPROM serial communication signal
(Not used, open)
RESET I Reset signal input
X IN I Oscillator connected terminal (8 MHz)
X OUT O
VSS - GND terminal
O ORANGE LED signal output
E-CLK - Serial communication signal to EEPROM
(Clock signal output) (Not used, open)
O Serial communication signal to EEPROM
(Data signal output)
O GREEN LED signal output
MSEL I Function select signal input/(Connected to VCC via resistor)
O Command data output
MCLK O Command clock output
MLD O Command load output
Function