23.10 Extended Serial Mode Control Section: Description Of Operation; Serial Transfer Protocol - Renesas RX100 Series User Manual

RX13T Group

23.10 Extended Serial Mode Control Section: Description of Operation

23.10.1

Serial Transfer Protocol

The extended serial mode control section of the SCI12 can realize the serial transfer protocol composed of Start Frames
and Information Frames that is shown in Figure 23.59 .
A Start Frame is composed of a Break Field, Control Field 0, and Control Field 1. An Information Frame is composed of
a number of Data Fields, a CRC16 Upper Field, and a CRC16 Lower Field.
Break Field
Break Field low width
Data Field
8 bits
Inter Field Space
Figure 23.59 Protocol for Serial Transfer by the Extended Serial Mode Control Section
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
Start Frame
Control Field 0
8 bits
Break Field Inter Field Space
high width
Information Frame
Data Field Data Field
8 bits
Inter Field Space
23. Serial Communications Interface (SCIg, SCIh)
Control Field 1
8 bits
Inter Field Space
CRC16 Upper Field
8 bits 8 bits
Inter Field Space
Information Frame
Data Field
8 bits
CRC16 Lower Field
8 bits
Inter Field Space
Page 694 of 1041