89
STR-DA2000ES/DB2000
•
D-AMP BOARD IC1800 MB89537APFM-G-461-BNDE1 (SUB SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
I LIMIT
I
Current detection signal input from the protect circuit
2
MOD2
I
Not used
3
TEMP
I
Thermistor connection terminal for abnormal temperature detection (A/D input)
4 to 10
—
—
Not used
11
AVCC
—
Power supply terminal (+3.3V) (for analog system)
12
AVR
I
Reference voltage (+3.3V) input terminal
13
AVSS
—
Ground terminal (for analog system)
14
U-MAIN
I
Clock signal input from main system controller
15
AC-OFF
I
AC off detection signal input terminal “L”: AC off
16
+B
I
+B power supply abnormal detection signal input terminal
17, 18
—
—
Not used
19
RST
I
Reset signal input from the main system controller “L”: reset
20, 21
MOD0, MOD1
I
Setting terminal for memory access mode Normally: fixed at “L”
22
X0
I
System clock input terminal (8 MHz)
23
X1
O
System clock output 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 signal output to the data decoder
28
DAC-MUTE
O
Muting on/off control signal output terminal Not used
29, 30
(P23), (P22)
—
Not used
31
4I-LIMIT
I
Not used
32
DC
I
DC offset detection signal input from the protect circuit
33
—
—
Not used
34
4/8OUT
O
Not used
35
DIAG
I
Thermistor connection terminal for abnormal temperature detection (A/D input)
36
EN
O
Enable/Disable control signal output terminal
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 Not used
40
(P10)
—
Not used
41
—
—
Not used
42
U-SUB1
I
Serial data input from main system controller
43
LAT4
O
Serial data latch pulse signal (for surround back) output to the PCM/PWM processor
44
LAT3
O
Serial data latch pulse signal (for surround) output to the PCM/PWM processor
45
LAT2
O
Serial data latch pulse signal (for center) output to the PCM/PWM processor
46
LAT1
O
Serial data latch pulse signal (for front) output to the PCM/PWM processor
47
F-B RY
O
Relay drive signal (for front speaker B) output terminal
48
SR-A RY
O
Relay drive signal (for surround speaker A) output terminal Not used
49
NC
—
Not used
50
F-A RY
O
Relay drive signal (for front speaker A) output terminal
51
SHIFT
O
Serial data transfer clock signal output to the PCM/PWM processor
52
SCDT
O
Serial data output to the PCM/PWM processor
53
SR-B RY
O
Relay drive signal (for surround speaker B) output terminal Not used
54
C RY
O
Relay drive signal (for center speaker) output terminal Not used
Содержание STR-DA2000ES - Fm Stereo/fm-am Receiver
Страница 152: ...STR DA2000ES DB2000 12 12 MEMO ...
