106
STR-DA3000ES
•
D-AMP BOARD IC1800 B89F538L (SUB SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
I LIMIT
I
Current detection
2
MOD2
I
Not used (connected to ground)
3
TEMP
I
Thermistor connection terminal for temperature detection (A/D input)
4 to 10
—
—
Not used (open)
11
AVCC
—
Power supply terminal (+3.3V) (for analog)
12
AVR
I
Reference voltage (+3.3V) input terminal
13
AVSS
—
Ground terminal (for analog)
14
U-MAIN
I
Clock signal input from main system controller
15
AC-OFF
I
Power down detection signal input terminal “L”: power down
16
+B
I
+ B power supply unusual detection
17, 18
—
I
Not used (open)
19
RST
I
Reset signal input from the main system controller
20
MOD0
I
Setting terminal for a memory access mode
21
MOD1
I
Setting terminal for a memory access mode
22
X0
O
External crystal terminal (8 MHz)
23
X1
I
External crystal terminal (8 MHz)
24
VSS
—
Ground terminal
25
VOL-CLK
O
Serial data transfer clock signal output to the data decoder
26
VOL-DATA
O
Serial data output to the data decoder
27
VOL-LAT
O
Serial data latch pulse output to the data decoder
28
DAC-MUTE
O
Muting on/off control signal output terminal
29
(P23)
I
Not used (connected to ground)
30
(P22)
I
Not used (connected to VDD)
31
4I-LIMIT
I
Not used
32
DC
I
DC offset detection
33
—
I
Not used (open)
34
4/8OUT
O
Not used (open)
35
DIAG
I
HIC temperature unusual detection
36
EN
O
Enable/Disable control of HIC
37
MODE1
O
Mode signal output to PCM/PWM processor
38
INIT
O
Initialize signal output to the PCM/PWM processor
39
NSP-MUTE
O
Muting on/off control signal output terminal
40
(P10)
—
Not used (connected to ground)
41
—
O
Not used (open)
42
U-SUB1
I
Serial data signal input from main system controller
43
LAT4
O
Serial data latch pulse output to the PCM/PWM processor
44
LAT3
O
Serial data latch pulse output to the PCM/PWM processor
45
LAT2
O
Serial data latch pulse output to the PCM/PWM processor
46
LAT1
O
Serial data latch pulse output to the PCM/PWM processor
47
F-B RY
O
Relay drive signal output terminal
48
SR-A RY
O
Not used (open)
49
NC
—
Not used (open)
50
RY
O
Relay drive signal output terminal
51
SHIFT
O
Serial data transfer clock signal output to the PCM/PWM processor
52
/SO1 SCDT
O
Serial data output to the PCM/PWM processor
