Freescale Semiconductor MCF52277 Reference Manual page 186

Reset Controller Module
2
3
Pin or WD Timeout
12
Negate RSTOUT
11.4.2.1 Synchronous Reset Requests
In this discussion, the reference in parentheses refer to the state numbers in
given are approximate.
11-6
Y
Loss Of Lock?
N
RESET
Y
or SW Reset?
N
Figure 11-4. Reset Control Flow
MCF52277 Reference Manual, Rev. 1
5
Assert RSTOUT and
Latch Reset Status
6
N
RESET Negated?
Y
7
N
PLL Locked?
Y
8
Y
BOOTMOD[1:0] == 11?
(Serial Boot)
N
10
Wait 512 FB_CLK Cycles
11
Y
BOOTMOD[1:0] == 10?
(Parallel RCON)
N
1 Power-on-Reset
4
Assert RSTOUT and
Latch Reset Status
9
Serial Boot Sequence
11A
Latch Configuration
from FB_A[21:16] pins
Figure 11-4. All cycle counts
Freescale Semiconductor