Table of Contents
Advertisement
Search for RCHW
21.5.2
BAM program operation
The BAM is accessed by the device core after the negation of RSTOUT, before user code starts. First, the
BAM program configures the core MMU to allow access to all device internal resources, according to
Table
21-2. This MMU setup remains the same for internal Flash boot mode.
Freescale Semiconductor
Reset
Config MMU
for Internal
boot
N
Internal
boot?
Y
Found
N
RCHW?
Y
Internal flash
boot
Exit To User Code
Figure 21-1. BAM program flow chart
MPC5644A Microcontroller Reference Manual, Rev. 6
Y
Serial
Boot?
N
Setup EBI
Check RCHW
Found
N
RCHW?
Y
EBI Bus
Serial boot
boot
Boot Assist Module (BAM)
623
Advertisement
Table of Contents
