Read Sony STR-DG300 Service Manual online
36
STR-DG300
IC1101 MB90488BPF-G-220E1 (SYSTEM CONTROL) (DIGITAL BOARD (5/5))
Pin No.
Pin Name
I/O
Pin Description
1
DATAO
I
Serial data line signal input from DIR IC
2
GP9
I
GP9 signal input from DSP IC
3
BST
O
Boot stop control signal output for DSP IC
4
HCS
O
Chip select signal output for DSP IC
5
HACN
I
Acknowledge signal input from DSP IC
6
XRST
O
Reset signal output for DSP IC
7
PM
O
PLL control signal output for DSP IC
8
GP12
O
GP12 signal output for DSP IC
9
FL_LAT
O
Latch signal output for FL driver IC
10
PCM1609/1800_RST
O
Reset signal output for 8CH DAC IC/ADC IC
11
VSS
—
Ground
12
PCM1609_ML
O
Serial latch signal output for 8CH DAC IC
13
PCM1609_MC/XMDACMC
O
Serial clock signal output for 8CH DAC IC
14
PCM1609_MDI/XMDACMI
O
Serial data output for 8CH DAC IC
15
PCM1609_MDO
I
Serial data input from 8CH DAC IC
16
T.SERIAL_CLK/FL_CLK
O
Serial clock signal output for tuner pack/Clock signal output for FL driver IC
17
TUNER_DATA/FL_DATA
O
Serial data output for tuner pack/Serial data output for FL driver IC
18
HDOUT
I
Serial data input from DSP IC
19
HDIN
O
Serial data output for DSP IC
20
HCLK
O
Serial data clock signal output for DSP IC
21
TUNING_A
I
TUNING +/– encoder (A) signal input
22
TUNING_B
I
TUNING +/– encoder (B) signal input
23
VCC5
—
Power supply pin (+3.3 V)
24
FL_RESET (DE8)
O
Not used (Fixed at L)
25
ANA/DIG
O
Not used (Open)
26
XM_RST
O
Not used (Open)
27
FLASH2/XM_RX
I
Flash programming signal input 2
28
FLASH1/XM_TX
O
Flash programming signal output 1
29
SDA
I/O
Serial data input/output for EEPROM IC
30
SCL
O
Clock signal output for EEPROM IC
31
ENC_A
I
INPUT SELECTOR encoder (A) signal input
32
ENC_B
I
INPUT SELECTOR encoder (B) signal input
33
UPCON
I/O
Not used (Open)
34
UPCON_CLK
O
Not used (Open)
35
AVCC
—
Power supply pin (+3.3 V)
36
AVRH
—
Power supply pin (+3.3 V)
37
AVSS
—
Ground
38
ADCC
I
ADCC analog signal input
39, 40
A/D1, A/D2
I
Key signal input (A/D port)
41
VERSION
I
Destination detection signal input
42
VSS
—
Ground
43
RDSSIG/XM_REQ
I/O
RDS signal level input
44
MODEL/CSMUTE (E8)
I/O
Model detection signal input
45
TONE_EN_B (E8)/VACS
I
Not used (Fixed at L)
46
TONE_EN_A (E8)
I
Not used (Fixed at L)
47
XMDACMS
O
Not used (Open)
48
STOP
I
AC off detection signal input
49
MD0
—
Selection of micon operation mode
50
MD1
—
Not used (Connect to VCC)
51
MD2
—
Selection of micon operation mode
52
RDS_CLK/XMDPOWER
I/O
RDS data clock signal input
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