SIGNALCORE SC5507A, Hardware Manual

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Rev 1.0 | SC5507A & SC5508A Hardware Manual SignalCore, Inc.
26 SC5507A & SC5508A Hardware Manual
Register 0x1E SENSOR_FREQUENCY (7 Byte)
This register provides the frequency at which measurement correction is applied.
Bit Type Name Width Description
[55:0] WO Frequency (mHz) 56 Frequency word[55:0]
Query Registers
These are request for data registers, in that a request for certain data is made by writing to the specific
register first, and then followed by reading back the requested data. Some registers may require instruction
data to specify the type of data to return, while others do not need any. For example, the
GET_RF_PARAMETERS (0x20) returns sweep dwell time, rf1_frequency, rf2_frequency, etc; this depends
on the request instruction byte.
Returned data length is always 8 bytes (64 bits), with the first byte being the most significant (MSB). Not all
8 bytes are valid, some have 7, some 4, and others 2. It is important that all 8 bytes are read in order to
clear the interface buffers.
Table 7. Query Registers
Register Name
Register
Address Serial
Range
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
FETCH_RF_PARAMETERS 0x20 [7:0] Open Open Open Open Parameter
FETCH_TEMPERATURE 0x21 [7:0] Open Open Open Open Open Open Open Open
RETCH_DEVICE_STATUS 0x22 [7:0] Open Open Open Open Open Open Open Open
FETCH_DEVICE_INFO 0x23 [7:0] Info
FETCH_LIST_BUFFER 0x24
[7:0] Buffer Address [7:0]
[15:8] Zeros [15:12] Buffer Address [11:8]
[23:16] Zeros [23:16]
FETCH_DAC_VALUE 0x25 [7:0] Zeros[7:1]
DAC
Select
SERIAL_OUT_BUFFER 0x26 [7:0] Zeros [7:0]
RESERVED 0x27 [7:0]
FETCH_SENSOR_VALUE 0x28 [7:0] Zeros [7:0]