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WM_PRJ_Q2686_PTS_001-010
June 30, 2009
Q2686 Wireless CPU
®
Signal Name
Signal Name
Description I/O* Voltage
Mux
Nominal
Pin
Number
Nominal
Mux
Voltage I/O* Description
Speaker 1
Output
Negative
O Analog
SPK1N
37 38
MIC1N Analog
I
Micro 1
Input
Negative
Speaker 2
Output
Positive
O Analog
SPK2P
39 40
MIC1P Analog
I
Micro 1
Input
Positive
Speaker 2
Output
Negative
O Analog
SPK2N
41 42
Reserved
**
I/O
VCC_2V8
32kHz
GPIO0
43 44
SCL1 GPIO26
Open
Drain
O I²C
Clock
I/O
VCC_2V8
GPIO19
45 46
SDA1 GPIO27
Open
Drain
I/O I²C
Data
I/O
VCC_2V8
GPIO21
47 48
GPIO20 VCC_2V8
I/O
Interruption
1 Input
I VCC_2V8
GPIO25 INT1
49 50
INT0 GPIO3
VCC_1V8
I Interruption
0 Input
I/O
VCC_1V8
** GPIO1
51 52
VPAD-
USB
VPAD-
USB
I
USB Power
supply input
I/O
VCC_1V8
** GPIO2
53 54
USB-DP VPAD-
USB
I/O USB
Data
I/O
VCC_2V8
** GPIO23
55 56
USB-DM VPAD-
USB
I/O USB
Data
I/O
VCC_2V8
** GPIO22
57 58
GPIO24 VCC_2V8
I/O
Keypad
column 0
I/O VCC_1V8 GPIO4 COL0
59 60
COL1 GPIO5
VCC_1V8
I/O Keypad
column 1
Keypad
column 2
I/O VCC_1V8 GPIO6 COL2
61 62
COL3 GPIO7
VCC_1V8
I/O Keypad
column 3
Keypad
column 4
I/O VCC_1V8 GPIO8 COL4
63 64
ROW4 GPIO13 VCC_1V8 I/O Keypad Row
4
Keypad
Row 3
I/O VCC_1V8 GPIO12 ROW3
65 66
ROW2 GPIO11 VCC_1V8 I/O Keypad Row
2
Keypad
Row 1
I/O VCC_1V8 GPIO10 ROW1
67 68
ROW0 GPIO9
VCC_1V8
I/O
Keypad Row
0
Main RS232
Ring
Indicator
O VCC_2V8
GPIO42
~CT125-
RI
69 70
~CT109-
DCD1
GPIO43 VCC_2V8 O
Main RS232
Data Carrier
Detect
Main RS232
Transmit
I VCC_2V8
GPIO36
CT103-
TXD1
71 72
~CT105-
RTS1
GPIO38 VCC_2V8 I
Main RS232
Request To
Send
Main RS232
Receive
O VCC_2V8
GPIO37
CT104-
RXD1
73 74
~CT107-
DSR1
GPIO40 VCC_2V8 O
Main RS232
Data Set
Ready
Main RS232
Clear To
Send
O VCC_2V8
GPIO39
~CT106-
CTS1
75 76
~CT108-
2-DTR1
GPIO41 VCC_2V8 I
Main RS232
Data
Terminal
Ready
PCM Frame
Synchro
O VCC_1V8
PCM-
SYNC
77 78
PCM-IN VCC_1V8
I
PCM Data
Input
PCM Clock
O
VCC_1V8
PCM-
CLK
79 80
PCM-
OUT
VCC_1V8
O
PCM Data
Output
NC-1
81 82
Reserved