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

3.3 BlockRead

Block Read is a SMBus protocol which read various length bytes from target device based on the command code Figure 3-4. The length of commands are listed in the document can be found in the publications listed in Section 5.

BlockRead Example Figure 3-4 BlockRead Example
Table 3-4 BlockRead Example
Command Keyword Device Address Command Code Data Byte(PEC is optional)
BlockRead 0x13 0xE3 0x10E58C0100A90B0030F8190000064D4652

Table 3-5 tells that the current row is a block read protocol

Device Address is 0x13, command code is 0xE3, Data Length is 0x10. Data is 0xE5 0x8C 0x01 0x00 0xA9 0x0B 0x00 0x30 0xF8 0x19 0x00 0x00 0x06 0x4D 0x46 and 0x52