Silicon Laboratories Si4704 Series Programming Manual page 105

Table 13. AM/SW/LW Receiver Property Summary (Continued)
Prop Name
AM_SEEK_RSSI_
0x3404
THRESHOLD
0x4000 RX_VOLUME
0x4001 RX_HARD_MUTE
Notes:
1. DIGITAL_OUTPUT_FORMAT and DIGITAL_OUTPUT_SAMPLE_RATE are supported in AM_SW_LW receive
component 2.0 or higher.
2. Component 1.0 incorrectly reports 0x06B9 (1721 kHz) as default for AM_SEEK_BAND_TOP. After POWER_UP
command is complete, set AM_SEEK_BAND_TOP to 0x06AE (1710 kHz) using the SET_PROPERTY command.
3. 1 kHz option on AM_CHANNEL_FILTER is supported on AM_SW_LW component 2.A.2 or higher.
Table 14. Status Response for the AM/SW/LW Receiver
Bit D7
STATUS CTS
Bit Name
7 CTS
6 ERR
5:4 Reserved
3 RSQINT
2:1 Reserved
0 STCINT
Sets the RSSI threshold for a valid AM Seek/Tune. If the value is
zero then RSSI threshold is not considered when doing a seek.
Default value is 25 dBµV.
Sets the output volume.
Mutes the L and R audio outputs.
D6 D5 D4
ERR X X
Clear to Send.
0 = Wait before sending next command.
1 = Clear to send next command.
Error.
0 = No error
1 = Error
Values may vary.
Received Signal Quality Interrupt.
0 = Received Signal Quality measurement has not been triggered.
1 = Received Signal Quality measurement has been triggered.
Values may vary.
Seek/Tune Complete Interrupt.
0 = Tune complete has not been triggered.
1 = Tune complete has been triggered.
Confidential Rev. 0.2
Description
D3 D2
RSQINT X
Function
AN332
Default
0x0019
0x003F
0x0000
D1 D0
X STCINT
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