A N 5 4 3
210
Rev. 0.9
Command 0x45 AM_ACF_STATUS
The AM_ACF_STATUS command returns status information about automatically controlled features. This
command returns the Soft Mute Attenuation, Channel Filter Bandwidth, and HICUT cutoff frequency associated
with the desired channel. If SMUTE bit is high it indicates that is audio is soft muted. The CTS bit (and optional
interrupt) is set when it is safe to send the next command. This command may only be sent in powerup mode.
Command
Response
Bit
7
6
5
4
3
2
1
0
CMD
0x45
ARG1
0x00
ACFACK
ARG
Bit
Name
Function
1
7:1
Reserved
Always write 0.
1
0
ACFACK
If set to 1, clears ACFINT and any ACF interrupt bits.
Bit
7
6
5
4
3
2
1
0
STATUS
CTS ERR
XX
RSQINT
X
ACFINT
STCINT
RESP1
XX
CHBWH_INT
XX
HICUT_INT
CHBW_INT
SOFTMUTE_INT
RESP2
XXXXXXX SMUTE
RESP3
X
SMATTN[6:0]
RESP4
CHBW[7:0]
RESP5
HICUT [7:0]
RESP6
XXXXXXXX
RESP7
XXXXXXXX
RESP8
LOWCUT[7:0]
