XC886/888CLM
Bootstrap Loader
User’s Manual
18-18
V1.3, 2010-02
Bootstrap Loader, V1.0
Figure 18-3
LIN BSL - Phases I, II and III
Figure 18-4
LIN BSL Frames
Host
Microcontroller
Master Request Header
Command
Slave Response Header
Response
Phase I: Synchronize
and Set up Baud rate
Phase I: Synchronize
and Set up Baud rate
Phase II: Selection
of Working Mode for
valid command
Phase III: Report its
status to the host
SYN Break
(At least 13
bits low)
SYN Char
55
H
Protected ID
3C
H
Host
LIN BSL
8 Data bytes for Command
Checksum
(1 byte)
SYN Break
(At least 13
bits low)
SYN Char
55
H
Protected ID
7D
H
Master Request Header
Command
Slave Response Header
8 Data bytes for Response
Checksum
(1 byte)
Response
*