HT-S20R
36
Sony CONFIDENTIAL
For Authorized Servicer
• IC Pin Function Description
MAIN BOARD IC304 MT8307OQE (AUDIO DSP, DOLBY DIGITAL SURROUND)
Pin No.
Pin Name
I/O
Description
1
AVDD12_2
-
Power supply terminal (+1.2V) (analog system)
2
AVDD33_1
-
Power supply terminal (+3.3V) (analog system)
3
XTALI
I
System clock input terminal (27 MHz)
4
XTALO
O
System clock output terminal (27 MHz)
5
V14
O
Reference voltage (+1.4V) output terminal
6
GPO5
O
Muting control signal output terminal for ampli
fi
er
7
AVDD33_2
-
Power supply terminal (+3.3V) (analog system)
8, 9
NC
-
Not used
10
GPIO2
O
Power on/o
ff
control signal output terminal
11
USB_DP
I/O
Two-way USB data (+) bus terminal
12
USB_DM
I/O
Two-way USB data (
−
) bus terminal
13
VDD33_USB
-
Power supply terminal (+3.3V) (for USB)
14
PAD_VRT
-
USB generating reference current terminal
15
VDD12_USB
-
Power supply terminal (+1.2V) (for USB)
16
DV_Y2
I
HDMI audio signal input terminal
17
DV_Y3
I
Optical audio signal input terminal
18
DV_Y4
I
Bluetooth audio signal input terminal
19
SF_CS_
O
Chip select output terminal for serial
fl
ash
20
SF_DO
I
Serial data input terminal for serial
fl
ash
21
SF_DI
O
Serial data output terminal for serial
fl
ash
22
DVDD33
-
Power supply terminal (+3.3V) (digital system)
23
SF_CK
O
Serial data transfer clock signal output terminal for serial
fl
ash
24
UP1_6/SCL
I/O
Two-way I2C data bus terminal for HDMI
25
UP1_7/SDA
I/O
Two-way I2C clock signal bus terminal for HDMI
26
GPIO11
I
Receive data input terminal
27
GPIO6
O
Transmit data output terminal
28
PRST_
I
Reset signal input terminal “L”: reset
29
IR
I
SIRCS signal input terminal
30
GPIO3/INT_
I/O
Two-way CEC data bus terminal
31
GPIO4
O
USB power control signal output terminal
32
DV_C0
O
Strobe signal output terminal for OLED
33
DV_C1
O
Reset signal output terminal for OLED
34
DV_C2
I
USB detection signal input terminal
35
DV_C3
O
DC signal output terminal for OLED
36
SD_MS_D2
I
Receive data input terminal
37
SD_MS_D3
O
Transmit data output terminal
38
GPIO13
O
Standby signal output terminal for Bluetooth
39
GPIO9
I
CEC error detection signal input terminal
40
GPIO8
I/O
Two-way I2C clock signal bus terminal for touch key
41
GPIO7/CKE_
O
Reset signal output terminal for Bluetooth
42
DVDD33
-
Power supply terminal (+3.3V) (digital system)
43 to 50
RD0 to RD7
I/O
Two-way data bus terminal for SD-RAM
51
DQM0
O
Data mask signal output terminal for SD-RAM
52, 53
RD15, RD14
I/O
Two-way data bus terminal for SD-RAM
54
DVDD12
-
Power supply terminal (+1.2V) (digital system)
55 to 60
RD13 to RD8
I/O
Two-way data bus terminal for SD-RAM
61
DQM1
O
Data mask signal output terminal for SD-RAM
62
RCLK
O
Clock signal output terminal for SD-RAM
63 to 66
RA11, RA9 to RA7
O
Address signal output terminal for SD-RAM
67
DVDD33
-
Power supply terminal (+3.3V) (digital system)
68 to 70
RA6 to RA4
O
Address signal output terminal for SD-RAM
71
RWE
O
Write enable signal output terminal for SD-RAM
72
CAS
O
Column address strobe signal output terminal for SD-RAM
73
RAS_
O
Row address strobe signal output terminal for SD-RAM
74
DVDD33
-
Power supply terminal (+3.3V) (digital system)
75, 76
BA0, BA1
O
Bank address signal output terminal for SD-RAM
SYS SET
2021/02/10 22:25:21 (GMT+09:00)
