8
6
XW-NAC3-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
IC3000 Sub Ucom
Pin Functions
Pin
N
o. Pin
N
ame
I/O
Function and Operation
1-12
N
C O
N
ot used
13
SYS_REQ_I
N
I
Request from System Ucom(IC1000) for SUB-SYS Communication
14
SYS_REQ_OUT
O
Request to System Ucom(IC1000) for SUB-SYS Communication
15
N
C
N
ot used
16 AUTH_XRESET
O
RESET to Authentication Coprocessor (Active L)
17 AUTH_SS
O
Slave Select to Authentication Coprocessor
18
IPOD_A_BUS_PO
W
ER
O
Contorl Power Supply for iPod A Terminal (+5
V
)
19
IPOD_B_BUS_PO
W
ER
O
Contorl Power Supply for iPod B Terminal (+5
V
)
20
E
V
SS1
Ground potential of port area
(Except P20-P27, P110, P111, P121-P124, P150-P157)
21 OC_DET_IPOD_A
I
iPod A Over Current Detect
22 OC_DET_IPOD_B
I
iPod B Over Current Detect
23
N
C O
N
ot used
24
IPOD_
V
IDEO_XMUTE O
V
ideo Amp Mute (for iPod
V
ideo)
25
IPOD_
V
SEL O
V
ideo selector control
26-29
N
C
N
ot used
30
E
V
DD1
Power supply of port area
(Except P20-P27, P110, P111, P121-P124, P150-P157)
31 IPOD_A_DET_CTL
O
Control AccDet and AccID
32 IPOD_B_DET_CTL
O
Control AccDet and AccID
33-41
N
C O
N
ot used
42 IPOD_B_RX
I
Data input from iPod B via UART
43 IPOD_B_TX
O
Data output to iPod B via UART
44 SYS_MISO
O
Data output for
System Ucom(IC1000)
45
SYS_MOSI
I
Data
input
from
System Ucom(IC1000)
46 SYS_SCLK
I
Clock input from
System Ucom(IC1000)
47
A
V
REF1
Reference voltage input of D/A converter
Power supply of P110, P111, D/A converter
48,49
N
C
N
ot used
50
A
V
REF0
Reference voltage input of A/D converter
Power supply of P20-P27, P150-P157, A/D converter
51
A
V
SS
Ground potential of A/D converter, D/A Converter, P20-P27,
P110, P111, P150-P157
52-70
N
C
N
ot used
71 232C_RX
I
Software update via 232C
72 232C_TX
O
Software update via 232C
N
ot used
O
Data Output to iPod A via UART
I
Data Input from iPod A via UART
N
ot used
I
iPod A Accessory Power
I
iPod B Accessory Power
N
ot used
O
Data SUB to Authentication Coprocessor
I
Data Authentication Coprocessor to SUB
O
Clock output to Authentication Coprocessor
N
ot used
Clock output for debugger
89 TOOL0
Flash memory program / External pull-up because of data
input/output on-chip debug use for debugger
90
RESET
RESET
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