SLUAAW9 May   2024 UCD90120A , UCD90124A , UCD90160 , UCD90160A , UCD90320 , UCD90320U , UCD9090 , UCD9090-Q1 , UCD9090A

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Options to Generate CSV File
  6. 3Examples
    1. 3.1 WriteByte
    2. 3.2 BlockWrite
    3. 3.3 BlockRead
    4. 3.4 SendByte
    5. 3.5 Pause
  7. 4Summary
  8. 5References

3.1 WriteByte

WriteByte is a SMBus protocol which sends the command mode followed by one byte data Figure 3-1.

WriteByte Figure 3-1 WriteByte
Table 3-2 WriteByte Example
Command Keyword Device Address Command Code Data Byte(PEC is optional)
WriteByte 0x13 0x00 0xFFCD

Table 3-5 tells that the current row is a write byte protocol:

Device address is 0x13, command code is 0x00, Data is 0xFF and the last byte 0xCD is the PEC which is up to whether PEC is set or not when generating the CSV file.