8
4
XW-NAC3-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
13. IC INFORMATION
Pin Functions
Pin
N
o. Pin
N
ame
I/O
Function and Operation
1 DASCK
O
TAS5707 Communication clock
2 DASDA
I/O
TAS5707 Communication data
3
N
C O
N
ot used
4 EEP_DI
Input data from EEPROM
5
SUBCOM_REQ_I
N
I
I
Request from Sub Ucom(IC3000) for SUB-SYS Communication
6 SUBCOM_REQ_OUT
O
Request to Sub Ucom(IC3000) for SUB-SYS Communication
7
XDARST
O
TAS5707
RESET
8
XDAPD
N
O
TAS5707
PO
W
ER
9
N
C O
N
ot used
10 LCD_DB7
I/O
LCD data bus 7 / Busy flag
11 LCD_DB6
I/O
LCD data bus 6
12 LCD_DB5
I/O
LCD data bus 5
13 LCD_DB4
I/O
LCD data bus 4
14 LCD_DB3
I/O
LCD data bus 3
15 LCD_DB2
I/O
LCD data bus 2
16 LCD_DB1
I/O
LCD data bus 1
17 LCD_DB0
I/O
LCD data bus 0
18 FADET
I
Front audio detect
19
P
W
RCO
N
T
O
System power supply control
20
E
V
SS1
Ground potential of port area
(Except P20-P27, P110, P111, P121-P124, P150-P157)
21
N
ET_XRST O
N
etwork RESET
22
N
ET_CTL
O
USB power supply control
23
N
ET_P
W
R O
N
etwork power supply
24 A_SEL_CLK
O
Audio input select clock (BD3841FS)
25 A_SEL_DATA
O
Audio input select data (BD3841FS)
26 LCD_RS
O
LCD Register Select
27
LCD_R/
W
O
LCD
Read/
W
rite Select
28 LCD_E
O
LCD data Enable
29
N
ET_XFLAGS
I
USB overcurrent detection
30
E
V
DD1
Power supply of port area
(Except P20-P27, P110, P111, P121-P124, P150-P157)
31 XDSPSS
O
Slave selection to DSP (DSPB56374)
32 XDSPRST
O
RESET to DSP (DSPB56374)
33
Adapter
Port_O
N
O
Adapter Port H: O
N
/ L: OFF
34
XADPD
N
O
AD power supply control
I
Error detection from DSP (DSPB56374)
O
DAC(PCM1753)
CS
O
DAC(PCM1753)
CLK
O
DAC(PCM1753)
DATA
O
Power On LED
N
ot used
O
Sub Ucom(IC3000) and Attestation IC power supply control
I
Software Update by 232C
O
Software Update by 233C
O
N
etwork module communication output
I
N
etwork module communication input
O
N
etwork module communication clock output
47
A
V
REF1
Reference voltage input of D/A converter
Power supply of P110, P111, D/A converter
48
SPI_REQ
I
N
etwork module communication request input
49
SPI_CS
O
N
etwork module communication chip select output
50
A
V
REF0
Reference voltage input of A/D converter
Power supply of P20-P27, P150-P157, A/D converter
IC1000 System Ucom
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