Motorola G24 用户手册
Hardware Information
3-226
AT Commands Reference Manual
December 31, 2007
+MPCMC, Continuous PCM Clock
This command defines whether the PCM clock is generated continuously or not, when phone is in
digital audio mode (configured by AT+MADIGITAL command). The change takes effect after
the next audio operation.
digital audio mode (configured by AT+MADIGITAL command). The change takes effect after
the next audio operation.
Note:
User is advised not to enable sleep mode feature if he wants to use continuous PCM clock
feature. Otherwise PCM clock will not work correctly while module is in deep sleep
mode.
feature. Otherwise PCM clock will not work correctly while module is in deep sleep
mode.
The following table shows the +MPCMC parameters.
Example
AT+MPCMC=?
+MPCMC:(0-1)
OK
AT+MPCMC=1
OK
AT+MPCMC?
+MPCMC: 1
OK
AT+MPCMC=0
OK
AT+MPCMC?
+MPCMC: 0
OK
Command
Type
Syntax
Response/Action
Remarks
Set
+MPCMC=<flag>
OK
or:
+CME ERROR: <err>
The Set command is used for setting
the PCM clock configuration.
the PCM clock configuration.
Read
+MPCMC?
+MPCMC: <flag>
OK
or:
+CME ERROR: <err>
The Read command returns the current
PCM clock <flag> value.
PCM clock <flag> value.
Test
+MPCMC=?
+MPCMC: (list of
supported <flag>s)
OK
The Test command returns the possible
<flag> values.
<flag> values.
Table 3-145: +MPCMC Parameters
<Parameter>
Description
<flag>
0
Non-continuous PCM clock.
1
Continuous PCM clock.
Before the AT+MPCMC command is set for the first time,
this value is 0.
Power-up is according to the flex.
this value is 0.
Power-up is according to the flex.