Gemalto Cinterion ELS31T-J, Hardware Interface Description, Page: 31 / 102

Cinterion
®
LTE Terminals Hardware Interface Description
3.6 GPIO Interface
47

ELSxT_HID_v04 2018-09-04
Confidential / Preliminary
Page 31 of 102
Figure 11:
ELS31T-V/J: GPIO connectors (8-pin and 12-pin)
The following Table 14 shows the availability of the GPIO connector pins for various LTE Ter-
minal variants.
Table 14:
GPIO connector pin availability and alternate pin functionalities
PI
N Signal Comment ELS61T-
US ELS61T-
AUS ELS61T-
E ELS61T-
E2 ELS31
T-V/J
8-pin connector
1
GPIO6 Configurable via AT command,
also as PWM2 signal
    
no PWM
2 GPIO7 Configurable via AT command,
also as PWM1 signal
    
no PWM
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 FSC

no DAI

no DAI

no DAI

FSC

no DAI
8 GPIO23 Configurable via AT command
also as BCLK

no DAI

no DAI

no DAI

BCLK

no DAI
12-pin connector
1
VCCref Input supply for level adjustment.
E.g., c5Vout for 5V IO
operation
    
1 2 3 4 1 2 3 4 5 6
GPIO6 GPIO7 GPIO8 n/a VCCref GND TXD1 RXD1 CTS1
(RS232)/
RTS1
(RS232/
5 6 7 8 7 8 9 10 11 12
n/a n/a GPIO22 GPIO23 +5Vout DSR0/
ADC1_IN
I2CDAT I2CCLK GPIO20 GPIO21
ELS31T-V/J:
n/a: not applicable