Pin
Nr.
|
Classification
|
Pin
Name |
I/O |
Description
|
01
|
POWER
|
GND
|
|
Signal
ground, Battery charging
ground
|
02
|
GND |
|
Signal
ground, Battery charging
ground
|
03
|
GND |
|
Signal
ground, Battery charging
ground
|
04
|
N.C.
|
|
|
|
05
|
RS232
|
COM_DCD
|
I
|
Full
Function UART
Data-Carrier-Detect
|
06
|
COM_DSR
|
I
|
Full
Function UART Data-Set-Ready
|
07
|
COM_RXD
|
I
|
Full Function UART Receive
|
08
|
COM_RI
|
I
|
Full
Function UART Ring Indicator
|
09
|
COM_CTS
|
I
|
Full
Function UART Clear-to-Send
|
10
|
COM_DTR
|
O
|
Full
Function UART
Data-Terminal-Ready
|
11
|
COM_TXD
|
O
|
Full
Function UART Transmit
|
12
|
COM_RTS
|
O
|
Full
Function UART
Request-to-Send
|
13
|
USB
CLIENT
|
IO_DEV_USBN
|
I-O |
USB
Client Device D - (negative) signal
|
14
|
USB
CLIENT
|
IO_DEV_USBP |
I-O |
USB
Client Device D + (positive) signal
|
15
|
USB
HOST
|
IO_HOST_USBN |
I-O |
USB
Host Device D - (negative) signal |
16
|
USB
HOST
|
IO_HOST_USBP |
I-O
|
USB
Host Device D + (positive) signal |
17
|
POWER
out
|
VBUS
|
O
|
Provide
power to
USB device (PDA is host) (+)
|
18
|
POWER
in
|
USB_CHARGE
|
I
|
Charge
battery via USB from
external computer
(PDA is client). Two types of charging current :
100mA or 500mA
depending on your power supply (+)
|
19
|
POWER
in
|
USB_CHARGE |
I
|
20
|
N.C.
|
|
|
|
21
|
EXT
SPKR
|
SPCAROUT
|
O
|
Speaker
signal output to
accessory
|
22
|
EXT
SPKR DET
|
CARDETECT
|
I
|
Detection
: Turns off
internal speaker if external is present
|
23
|
N.C.
|
|
|
|
24
|
POWER
|
+ADAP |
I
|
Positive
terminal of DC adaptor that powers the internal charging circuit of
Li-Ion battery. The approved power supply is 5.0V ± 5% @ 2A |
25
|
+ADAP |
I
|
26
|
+ADAP |
I
|
