Renesas P9415-R-EVK, Руководство пользователя

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P9415-R-EVK Evaluation Kit
R16UH0015EU0100 Rev.1.0
May 27, 2021 Page 41
Table 54. Write Data Register for WPC 1.3 (0x1A4~0x39F)
Address
and Bit
Register Field Name R/W
Default
Value
Function and Description
0x1A4[508] WrData R/W 0 Raw data which is intended to send to Tx
Table 55. Read Data Register for WPC 1.3 (0x3A4~0x59F)
Address
and Bit
Register Field Name R/W
Default
Value
Function and Description
0x3A4[508] RdData R 0 Raw data which is received from Tx
Table 56. Read Data Register for WPC 1.3 (0x196)
Address
and Bit
Register Field Name R/W
Default
Value
Function and Description
0x196[15:0] ccRdSize R 0 Length of the raw data received from Tx
Procedure of WPC1.3 Bi-di Communication
1. Clear interrupt.
2. AP writes raw data to Write Data Register (0x1A4).
3. AP writes type and data length to Write Data Type and Length Register (0x1A0, 2 bytes).
4. AP writes command 0x02 to system command register (0x4F, 1 byte) to send the data out.
5. AP waits for interrupt (ADTRCVD).
6. AP reads received data length from Read Data Register (0x196, 2 bytes).
7. AP reads received data from Read Data Register (0x3A4).