Command Byte; Data Bytes - NEC V850ES/DJ2 User Manual

6.2.1 Command Byte

This is the 1st Received Data at communication start, that was sent from the FG2 device.
Command
RW
0
1
AUTO
0
1
A5 to A0
0/1

6.2.2 Data Bytes

After the Command Byte the Data Bytes follows.
When read function is selected, the MTRC outputs data which was specified by the address of the
Command Byte.
When the write function is selected the FG2 device outputs data which are written to the MTRC
addresses specified by the Command Byte before.
Data D7
Chapter 6 Serial Interface
7 6 5
RW AUTO A5
Read
Write
Operation mode of Communication
Disable Continuous transfer
Enable Continuous transfer
define address data as 6-bit format
7 6 5
D6 D5
Preliminary User's Manual U17763EE1V1UD00
4 3
A4 A3
R/W Selection of MTRC
Address
4 3
D4 D3
2 1 0
A2 A1 A0
2 1 0
D2 D1 D0
105