SIGNALCORE SC5309A, Руководство по оборудованию

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©2018 Rev 2.0
31 Hardware Registers
Bits Type Name Width Description
[7:0] R Read back byte 8 Read 1 byte back is required for PXIe and RS232
Register 0x1D USER_EEPROM_WRITE
This register writes a byte to the onboard EEPROM.
Bytes written 4
Bytes read 1
Bits Type Name Width Description
[7:0] W Data 8 Byte to be written to the address
[23:8] W Address 16 EEPROM address
[7:0] R Read back byte 8 Read 1 byte back is required for PXIe and RS232
Query Registers
These are request for data registers, in that a request for certain data is made by writing to the
specific register first, 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
register GET_DEVICE_PARAM (0x30) returns the RF Frequency, IF1 Frequency, IF3 Frequency, etc.;
the data returned depends on the parameter value of the instruction byte.
Returned data length is always 8 bytes (64 bits), with the first byte being the most significant (MSB).
It is
important that all 8 bytes are read to clear the interface buffers. How the different interface
buses handle the return data is explained in the Device Information Parameters and Format section.
Table 5. Query Registers
Register Name
Reg
Add Serial
Range
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
GET_DEVICE_PARAM 0x20 [7:0] Parameter
GET_TEMPERATURE 0x21 [7:0] Zeros [7:0]
GET_DEVICE_STATUS 0x22 [7:0] Zeros [7:0]
GET_DEVICE_INFO 0x23 [7:0] Info
CAL_EEPROM_READ 0x24
[7:0] EEPROM ADDRESS [7:0]
[15:8] EEPROM ADDRESS [15:8]
USER_EEPROM_READ 0x25
[7:0] EEPROM ADDRESS [7:0]
[15:8] EEPROM ADDRESS [15:8]