Texas Instruments LDC1101EVM - Page 29

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FW Protocol
Command Command Parameters Return Value
Value (Hex)
SPI Byte Write 0x02 2,3: SPI Address 1: Data Byte write confirmation
4,5: SPI Data byte
SPI Byte Read 0x03 2,3: SPI Address 4: Data Byte read back
Enable BSL 0x04 none none
Stream Convert data 0x06 2,3: SPI Address 4kbyte integer array. Refer to
Table 3-1 for structure.
SPI Address 0x20: Stream RP+L conversion
results
SPI Address 0x38: Stream LHR conversion
results
Stop Conversion Stream 0x07
Read FW Version 0x09 none 6,7,8,9: FW version
Table 3-1. Streaming Data Structure
Position RP+L Streaming LHR Streaming
0 Contents of Register 0x20 (RP_STATUS) Contents of Register 0x3B (LHR_STATUS)
1 Contents of Register 0x22 (RP_DATA_MSB) Contents of Register 0x3A (LHR_DATA_MSB)
2 Contents of Register 0x21 (RP_DATA_LSB) Contents of Register 0x39 (LHR_DATA_MID)
3 Contents of Register 0x24 (L_DATA_MSB) Contents of Register 0x38 (LHR_DATA_LSB)
4 Contents of Register 0x23 (L_DATA_LSB) 0x5A
5 0x5A Sample Index
6 Sample Index 0x5A
7 0x5A 0x5A
29
SNOU137–May 2015 LDC1101EVM PC Software (GUI)
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