User Manual

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USERS MANUAL
12(42)
Document number Revision
4/198 17-LXE 108 566 Uen PA7
2.3.2 Pinout
Pin Signal Description
Reserved1 I/O_1 / Timemark
1 PPS output from GPS chip
1
2 VREF Logic Voltage Reference
Reserved3 I/O_3 / GPS_FIX
Logic HIGH signal to indicate active GPS Fix
1
Reserved4 I/O_4 / VRTC
Supply pin for RTC
2
and GPS regulators
1
5 GND Chassis Ground
6 GND Chassis Ground
7 AFMS Analog Audio from module
8 GND Chassis Ground
9 AGND Analog Reference
10 ATMS Analog Audio to module
Reserved11 INPUT1 / UART3_RX
Receive Data for UART3
1
12 MODULE_PWR_EN_B Switches the module on/off (hardware-wise), active low
Reserved13 OUTPUT1 / UART3_TX
Transmit Data for UART3
1
14 OUTPUT2 Reserved
15 HW_SD Hardware shutdown
16 INPUT2 Reserved
17 PCMCLK PCM Clock output from Module to Application
18 PCMSYNC PCM Frame sync from Module to Application
19 PCMULD PCM Voice input to Module from Application
20 PCMDLD PCM Voice output from Module to Application
21 GND Chassis Ground
22 GND Chassis Ground
23 DCD / VPPFLASH Data Carrier Detect & Flash programming voltage input
24 RINGER Ringer output
25 CTS Clear to send
26 DTR Data Terminal Ready
27 TD Transmit data, also known as DTMS
28 RTS Request to Send
29 VCC_AUX 13.8 VDC supply input
30 RD Receive data, also known as DFMS
31 VCC_AUX 13.8 VDC supply input
32 VCC_AUX 13.8 VDC supply input
33 VCC_MAIN 5 VDC regulated supply input
34 VCC_MAIN 5 VDC regulated supply input
35 SDA_SPI_IN Reserved
36 SCL_SPI_CLK Reserved
Transmit Data for UART237 SYS_DTM_2
Transmit Data for GPS
1
38 SPI_OUT Reserved
Receive Data for UART239 SYS_DFM_2
Receive Data for GPS
1
40 RI Ring Indicator
Table 2: Pin-out of the System Connector Header
1
Default function if GPS option on board.
2
Default function if RTC option on board