u-blox SARA-G3 Series, Руководство по системной интеграции, Страница: 19 / 218

SARA-G3 series - System Integration Manual
UBX-13000995 - R06 Objective Specification System description
Page 19 of 218
Function Pin Name Module Pin No I/O Description Remarks
UART RXD
All 13 O UART data
output 1.8 V output, Circuit 104 (RXD) in ITU-T
V.24,
for AT command, data communication, FOAT.
See section
1.9.11.9.1 for functional description.
See section 2.5.12.5.1 for external circuit design-
in.
TXD All 12 I UART data input 1.8 V input, Circuit 103 (TXD) in ITU-T V.24,
for AT command, data communication, FOAT.
Internal active pull-up to
V_INT .
See section 1.9.11.9.1 for functional description.
See section 2.5.12.5.1 for external circuit design-
in.
CTS
All 11 O UART clear to
send output 1.8 V output, Circuit 106 (CTS) in ITU-T
V.24,
for AT command, Data communication, FOAT.
See section
1.9.11.9.1 for functional description.
See section 2.5.12.5.1 for external circuit design-
in.
RTS All 10 I UART ready to
send input 1.8 V input, Circuit 105 (RTS) in ITU-T V.24,
for AT command, data communication, FOAT.
Internal active pull-up to
V_INT .
See section 1.9.11.9.1 for functional description.
See section 2.5.12.5.1 for external circuit design-
in.
DSR
All 6 O UART data set
ready output 1.8 V output, Circuit 107 (DSR) in ITU-T
V.24,
for AT command, data communication, FOAT.
See section
1.9.11.9.1 for functional description.
See section 2.5.12.5.1 for external circuit design-
in.
RI All 7 O UART ring
indicator output 1.8 V output, Circuit 125 (RI) in ITU-T V.24,
for AT command, data communication, FOAT.
See section
1.9.11.9.1 for functional description.
See section 2.5.12.5.1 for external circuit design-
in.
DTR All 9 I UART data
terminal ready
input 1.8 V input, Circuit 108/2 (DTR) in ITU-T
V.24,
for AT command, data communication, FOAT.
Internal active pull-up to
V_INT .
See section 1.9.11.9.1 for functional description.
See section 2.5.12.5.1 for external circuit design-
in.
DCD All 8 O UART data
carrier detect
output 1.8 V input, Circuit 109 (DCD) in ITU-T V.24,
for AT command, data communication, FOAT.
See section
1.9.11.9.1 for functional description.
See section 2.5.12.5.1 for external circuit design-
in.