HCD-GPX555/GPX888
58
• IC Pin Function Descriptions
MB BOARD (8/9) IC101 R7S7200022CFP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
SRC-RST0
O
SRC Reset pin
2
VIDEO-MUTE
O
Muting Control for Video
3
CDM-UNLOAD-SW
I
CDM UNLOAD SW
4
CDM-LOAD-SW
I
CDM LOAD SW
5
BT-RESET
O
Reset signal output to Bluetooth section
6
NC
-
Not used
7
Vcc
-
Power supply terminal (+3.3V)
8
BT-ON
O
Bluetooth on/off control signal output terminal for bluetooth section
9
Vss
-
Ground terminal
10
LINEOUT-SEL
O
Signal out selection for Party Chain
11
PVcc
-
Power supply terminal (+3.3V)
12
VBUS-OE
O
MTK Vbus Output enable control pin
13
HUB-RESET
O
MTK Hub reset pin
14
AUDIO_CLK_OUT
O
Clock Signal from Aragon to MTK master clock
15
MTK-RESET
O
MTK Reset pin
16
MTK-BUSY
O
BUSY Signal communication between MTK
17
MTK-CLK
I
Clock Signal from MTK
18
Vss
-
Ground terminal
19
MTK-XIFCS
I
MTK CHIP SELECT
20
MTK-SDI
I
Data In Signal from MTK
21
Vcc
-
Power supply terminal (+3.3V)
22
MTK-SDO
O
Data Out Signal to MTK
23
Vss
-
Ground terminal
24
SSI3_BCKO
O
Clock signal from Aragon to DAC BIT
25
PVcc
-
Power supply terminal (+3.3V)
26
SSI3_LRCKO
O
Clock signal from Aragon to DAC LRCK
27
SSI3_DO
O
Data Out signal from Aragon to selector for Party Chain output
28
SSI3_DI
I
SRC from MTK to Aragon data in
29
SSI0_BCKO
O
Clock signal from Aragon to Wf DAC BCK
30
SSI0_LRCKO
O
Clock signal from Aragon to Wf DAC LRCK
31
Vss
-
Ground terminal
32
SSI0_DO
O
Data Out from Aragon to Wf DAC
33
SSI2_DO
O
Data Out from Aragon to Tw DAC
34
Vcc
-
Power supply terminal (+3.3V)
35
FL-CLK
O
Serial clock output to FL CIG
36
Vss
-
Ground terminal
37
NO USE
-
Not used
38
FL-LATCH
O
Data Latch signal to FL CIG
39
PVcc
-
Power supply terminal (+3.3V)
40
FL-SOUT
O
Serial data output to FL CIG
41
ANALOG-ASEL
O
Multiplexer selector A for Analog input
42
ANALOG-BSEL
O
Multiplexer selector B for Analog input
43
DEBUG-TxD
O
TxD (for Debug)
44
NFC-SPICLK
O
Serial data transfer clock signal output to the NFC
45
POWER-KEY
I
Power Key input terminal
46
Vss
-
Ground terminal
47
USB-OC
I
USB Overcurrent Detection input port
48
RGB-SOUT
O
Serial data output to RGB driver
49
NFC-SW
O
NFC standby control output terminal to the NFC section
50
PVcc
-
Power supply terminal (+3.3V)
51
LINK-OUT-B
O
Selector B for Party Chain Signal
52
NFC-SEL
O
NFC data read/write control output terminal to the NFC section
53
NFC-RF-DET
I
NFC RF signal detection signal input from the NFC section
