30
28 AT+CDCDMD
Set DCD pin mode.
29 AT+CDCDVL
Set DCD pin high-low in GPIO
mode.
30 AT+CBC
Battery charge.
31 AT+CDTRISRMD
Configure the trigger condition for
DTR’s interrupt.
32 AT+CDTRISRS
Enable/Disable the pin of DTR’s
awakening function.
33 AT+CGFUNC
Enable/Disable the function for the
special GPIO.
34 AT+CGWHOST
Reset GPIO 41 to high level.
35 AT+CGWISRMD
Configure the trigger condition for
GPIO43’s.
36 AT+CKGSWT
Switch pins’ function.
37 +KEY
Keypad result code.
38 AT+CUSBSPD
Switch USB high or full speed.
39 AT+CLEDITST
Adjust the LED’s intensity.
40 AT+CADCA
Read the value from the second
ADC.
41 AT+CAPWRON
Auto power on setting.
42 AT+CAPWROFF
Auto power off setting.
43 AT+CBVTBP
Set 800-850 band indicator.
44 AT+CRFOP
Set the value of RF output power.
H. SPI Related Commands
Syntax
Expect Result
Description
1
AT+CSPISETCLK
SPI clock rate setting.
2
AT+CSPISETCS
SPI chip select setting.
3
AT+CSPISETF
SPI clock frequency setting.
4
AT+CSPISETPARA
SPI transfer parameters setting.
5
AT+CSPIW
Write data to SPI.
6
AT+CSPIR
Read data from SPI.
I. Phonebook Related Commands
Syntax
Expect Result
Description
1
AT+CNUM
Subscriber number.
2
AT+CPBS
Select phonebook memory storage.
3
AT+CPBR
Read phonebook entries.
4
AT+CPBF
Find phonebook entries.
5
AT+CPBW
Write phonebook entry.