Billion Electric Co. Ltd. BIL-SIM7100C Benutzerhandbuch
Smart Machine Smart Decision
SIM7100C_User Manual_V1.01
2015-09-19
16
69
RI
70
DCD
71
TXD
72
DTR
73
PCM_OUT
74
PCM_IN
75
PCM_SYNC
76
PCM_CLK
77
GND
78
GND
79
GNSS_ANT
80
GND
81
GND
82
MAIN_ANT
83
RF_CFG1
84
RF_CFG2
85
BOOT_CFG0
86
RF_CFG3
87
BOOT_CFG1
2.2 Pin description
Table 5: IO Parameters Definition
Pin Type
Description
PI
Power input
PO
Power output
IO
Bidirectional input / output
DI
Digital input
DO
Digital output
AI
Analog input
Table 6: Pin description
Pin name
Pin No.
I/O
Description
Comment
Power Supply
VBAT
38,39,
62,63
62,63
PI
Power supply voltage
NC
42
No connection
Please keep open
VDD_EXT
44
PO
LDO power output for SD card
circuit or other external circuit
with MAX. 150mA output. This
LDO output voltage can be
changed by the AT command
“AT+CVAUXV”.
circuit or other external circuit
with MAX. 150mA output. This
LDO output voltage can be
changed by the AT command
“AT+CVAUXV”.
If unused, please keep
open.
open.
VDD_1V8
15
PO
1.8V SMPS output for external
circuit, such as level shift circuit.
circuit, such as level shift circuit.
Recommend placing a
10uF and 100nF
capacitors to improve
the stability of the
internal 1.8V SMPS
circuit.
10uF and 100nF
capacitors to improve
the stability of the
internal 1.8V SMPS
circuit.
GND
1,2,5,10
Ground