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13. IC INFORMATION
QQ
3 7 63 1515 0
A
IC1000 System Ucom
Pin Functions
Pin No.
Pin Name
1 DASCK
2 DASDA
3 NC
4 EEP_DI
5 SUBCOM_REQ_IN
6 SUBCOM_REQ_OUT
7 XDARST
8 XDAPDN
B
9 NC
10 LCD_DB7
11 LCD_DB6
12 LCD_DB5
13 LCD_DB4
14 LCD_DB3
15 LCD_DB2
16 LCD_DB1
17 LCD_DB0
18 FADET
19 PWRCONT
20 EVSS1
C
21 NET_XRST
22 NET_CTL
23 NET_PWR
24 A_SEL_CLK
TE
L 13942296513
25 A_SEL_DATA
26 LCD_RS
27 LCD_R/W
28 LCD_E
29 NET_XFLAGS
30 EVDD1
D
31 XDSPSS
32 XDSPRST
33 Adapter Port_ON
34 XADPDN
35 DSPHREQ
36 DAC_CS
37 DAC_SCK
38 DAC_SI
39 PON LED
40 NC
41 SUBCOM_POW
E
42 232C RX
43 232C TX
44 SPI_TX
45 SPI_RX
46 SPI_CLK
47 AVREF1
48 SPI_REQ
www
49 SPI_CS
50 AVREF0
F
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I/O
Function and Operation
O
TAS5707 Communication clock
I/O
TAS5707 Communication data
O
Not used
I
Input data from EEPROM
I
Request from Sub Ucom(IC3000) for SUB-SYS Communication
O
Request to Sub Ucom(IC3000) for SUB-SYS Communication
O
TAS5707 RESET
O
TAS5707 POWER
O
Not used
I/O
LCD data bus 7 / Busy flag
I/O
LCD data bus 6
I/O
LCD data bus 5
I/O
LCD data bus 4
I/O
LCD data bus 3
I/O
LCD data bus 2
I/O
LCD data bus 1
I/O
LCD data bus 0
I
Front audio detect
O
System power supply control
Ground potential of port area
(Except P20-P27, P110, P111, P121-P124, P150-P157)
O
Network RESET
O
USB power supply control
O
Network power supply
O
Audio input select clock (BD3841FS)
O
Audio input select data (BD3841FS)
O
LCD Register Select
O
LCD Read/Write Select
O
LCD data Enable
I
USB overcurrent detection
Power supply of port area
(Except P20-P27, P110, P111, P121-P124, P150-P157)
O
Slave selection to DSP (DSPB56374)
O
RESET to DSP (DSPB56374)
O
Adapter Port H: ON / L: OFF
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
O
Not used
O
Sub Ucom(IC3000) and Attestation IC power supply control
I
Software Update by 232C
O
Software Update by 233C
O
Network module communication output
I
Network module communication input
O
Network module communication clock output
Reference voltage input of D/A converter
Power supply of P110, P111, D/A converter
I
Network module communication request input
O
Network module communication chip select output
x
ao
Reference voltage input of A/D converter
y
Power supply of P20-P27, P150-P157, A/D converter
.
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Troubleshooting
