AN332
5.4. Commands and Properties for the WB Receiver (Si4707/36/37/38/39)
The following two tables are the summary of the commands and properties for the Weather Band Receiver
component applicable to Si4707/36/37/38/39.
Cmd
Name
0x01
POWER_UP
0x10
GET_REV
0x11
POWER_DOWN
0x12
SET_PROPERTY
0x13
GET_PROPERTY
0x14
GET_INT_STATUS
0x15
PATCH_ARGS
0x16
PATCH_DATA
0x50
WB_TUNE_FREQ
0x52
WB_TUNE_STATUS
0x53
WB_RSQ_STATUS
0x54
WB_SAME_STATUS
0x55
WB_ASQ_STATUS
0x57
WB_AGC_STATUS
0x58
WB_AGC_OVERRIDE
0x80
GPIO_CTL
0x81
GPIO_SET
136
Table 16. WB Receiver Command Summary
Power up device and mode selection.
Returns revision information on the device.
Power down device.
Sets the value of a property.
Retrieves a property's value.
Reads interrupt status bits.
Reserved command used for patch file downloads.
Reserved command used for patch file downloads.
Selects the WB tuning frequency.
Queries the status of previous WB_TUNE_FREQ or
WB_SEEK_START command.
Queries the status of the Received Signal Quality (RSQ) of the cur-
rent channel
Retrieves Specific Area Message Encoding (SAME) information
and acknowledges SAMEINT interrupts (Si4707 only).
Queries the status of the 1050kHz alert tone in Weather Band.
Queries the current AGC settings
Override AGC setting by disabling and forcing it to a fixed value
Configures GPO1, 2, and 3 as output or Hi-Z
Sets GPO1, 2, and 3 output level (low or high)
Confidential Rev. 0.2
Description
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