40
STR-KS1000
MAIN BOARD IC1601 MB90488BPF-G-181E1 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
DATA0
I
Audio serial data input from the digital audio interface receiver
2
GP9
I
Read ready signal input from the digital audio signal processor
3
BST
O
Boot strap signal output to the digital audio signal processor
4
HCS
O
Chip select signal output to the digital audio signal processor
5
HACN
I
Acknowledge signal input from the digital audio signal processor
6
XRST
O
System reset signal output to the digital audio signal processor "L": reset
7
PM
O
PLL initialize signal output to the digital audio signal processor
8
PWM_DA
O
Power on/off control signal output terminal Not used
9
GP12
O
Write enable signal output to the digital audio signal processor
10
AD_RST
O
System reset signal output to the A/D converter
11
VSS
-
Ground terminal
12
HDMI-SW1
O
Source selection signal output to the HDMI receiver/transceiver and analog switch
13
HDMI-DET
I
HDMI jack detection signal input terminal
14
HDMI-OEB
O
Chip enable signal output to the HDMI receiver/transceiver "L": active
15
HDMIPRE
-
Not used
16
HDMI-CTL
O
Power on/off control signal output to the HDMI circuit
17
P-CONT2
O
Power on/off control signal output to the regulator IC and power supply circuit
18
HDOUT
I
Serial data input from the digital audio signal processor
19
HDIN
O
Serial data output to the digital audio signal processor
20
HCLK
O
Serial data transfer clock signal output to the digital audio signal processor
21, 22
SELECT_B,
SELECT_A
O
Audio select signal output to the analog audio input select
23
VCC5
-
Power supply terminal (+3.3V)
24, 25
NO USE
-
Not used
26
POWER_SD
I
Shut down state input from the digital power amplifier "L": shut down
27, 28
FLASH2,
FLASH1
-
Not used
29 to 31
NO USE
-
Not used
32
POWER_RS
O
Reset signal output to the digital power amplifier "L": reset
33
SCL
O
Serial data output to the EEPROM
34
SDA
I/O
Two-way data bus with the EEPROM
Reference voltage (+3.3V) input terminal
Front panel key input terminal (A/D input)
RDS signal input from the tuner (AEP, UK models only)
Setting terminal for the destination
46
P.CONT1
O
Power on/off control signal output to the regulator IC
47
FUSE DETECT
-
Not used
48
STOP P.STOP
I
AC off detection signal input terminal
49 to 51
NO USE
-
Not used
52
RDS CLK
I
RDS serial data transfer clock signal input from the tuner (AEP, UK models only)
53
RDS DATA
I
RDS serial data input from the tuner (AEP, UK models only)
54
SIRCS
I
SIRCS signal input terminal
55
ADCC_INT
I
ADCC interrupt status input terminal
56
POWER KEY
I
Power key input terminal
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