Gemalto M2M GmbH EMS31-VR1 ユーザーズマニュアル
Cinterion
®
EMS31-V Hardware Interface Overview
2.1 Application Interface
18
EMS31_V_HIO_v00.004
2018-02-27
Confidential / Preliminary
Page 13 of 35
2.1.4
GPIO Interface
EMS31-V offers a GPIO interface with 20 GPIO lines. The lines are shared with other interfaces
or functions: ASC0 (see
or functions: ASC0 (see
), Fast shutdown (see
The following table shows the configuration variants for the GPIO pads. All variants are mutu-
ally exclusive, i.e. a pad configured for instance as ASC0 is locked for alternative usage.
ally exclusive, i.e. a pad configured for instance as ASC0 is locked for alternative usage.
*) Note: The following features are not yet available with the current product release: GPIO, I
2
C, Pulse
Counter, PWM and SPI.
After startup, the above mentioned alternative GPIO line assignments can be configured using
AT commands (see
AT commands (see
). The configuration is non-volatile and available after module restart.
Table 2:
GPIO lines and possible alternative assignment
GPIO*
Fast
Shut-
down
Shut-
down
Status
LED
LED
Pulse
Counter*
Counter*
ASC0
ASC1
SPI*
PWM*
WAKE
capability
capability
GPIO1
DTR0
Available
GPIO2
DCD0
GPIO3
DSR0
GPIO4
FST_SHD
N
GPIO5
LED
GPIO6
PWM2
GPIO7
PWM1
GPIO8
COUNTER
Available
GPIO16
RXD1
GPIO17
TXD1
GPIO18
RTS1
Available
GPIO19
CTS1
GPIO20
GPIO21
GPIO22
GPIO23
GPIO24
RING0
Available
GPIO25
Available
GPIO26
SPI_CS
1
GPIO27
SPI_CS
2
n/a
RST0
Available