Cinterion
®
Java Terminals Hardware Interface Overview
3.6 GPIO Interface
39
EHSxT_BGS5T_HIO_v03
2016-05-26
Confidential / Released
Page 26 of 50
The following
shows the availablility of the GPIO connector pins for various Java Ter-
minal variants.
Please refer to the respective “AT Command Set“ for details on how to configure the GPIO pins
using AT commands.
Table 13:
GPIO connector pin availability and alternate pin functionalities
PIN
Signal
Comment
EHS5T
RS485
EHS6T
USB
EHS6T
LAN
BGS5T
USB
8-pin connector
1
GPIO6
Configurable via AT command,
also as PWM2 signal
2
GPIO7
Configurable via AT command,
also as PWM1 signal
3
GPIO8
Configurable via AT command,
also as COUNTER signal
4
GPIO11
Configurable via AT command
-
-
5
GPIO12
Configurable via AT command
-
-
6
GPIO13
Configurable via AT command
-
-
7
GPIO22
Configurable via AT command
also as TFSDAI
8
GPIO23
Configurable via AT command
also as SCLK
12-pin connector
1
VCCref
Input supply for level adjust-
ment. E.g., c5Vout for
5V IO operation
2
GND
3
TXD1 or
SPI_MISO
Configurable via AT command,
also as SPI_MISO signal
TXD1
TXD1 /
SPI_MISO
TXD1 /
SPI_MISO
TXD1
4
RXD1 or
SPI_MOSI
Configurable via AT command,
also as SPI_MOSI signal
RXD1
RXD1 /
SPI_MOSI
RXD1 /
SPI_MOSI
RXD1
5
CTS1 or
SPI_CS or
A+
CTS1 (RS-232) or
SPI_CS or A+ (for RS-485)
depending on product variant
A+
(RS-485)
CTS1 /
SPI_CS
CTS1 /
SPI_CS
CTS1
6
RTS1 or
B-
RTS1 (RS-232) or
B- (for RS-485)
depending on product variant
B-
(RS-485
RTS1
RTS1
RTS1
7
+5Vout
External power supply up to
100mA, usable as VCCref input
8
DSR0 or
ADC1_IN or
SPI_CLK
Configurable via AT command
DSR0 /
ADC1_IN
DSR0 /
ADC1_IN
9
I2CDAT
I
2
C interface
10
I2CCLK
I
2
C interface
11
GPIO20
Configurable via AT command
also as TXDDAI
12
GPIO21
Configurable via AT command
also as RXDDAI