Normal Response During A Write Operation - Renesas SH7727 General Information Manual

R0P7727TH003TRKE General Information Manual

6.2.8 Normal Response during a Write Operation

Figure 6.10 shows the response format for the write command. The power supply controller returns an
ACK code, a function code, a register address and target data, in this order, as a response for the write
command.
(1) ACK code
(1) ACK code
This code is fixed at ACK (0x06).
(2) Function code
The same code as for the write command returns.
(3) Register address
The address of a register subject to a write operation returns.
(4) Data
Write data returns. The size of this data is equal to the value specified in the function code. However,
note that no data returns for IRRSFDR subject to infrared remote control and EEPDR subject to serial
EEPROM control.
(2) Function code
(1 byte) (1 byte or 2 byte)
Figure 6.10 Normal Response during a Write Operation
(3) Register address
(2 byte)
47
Power Supply Controller
(4) Data
(N byte)