DS80C400_03 Datasheet, PDF (70/96 Pages) Maxim Integrated Products – Network Microcontroller

Figure 12. ROM Code Boot Sequence
POWER-ON RESET
(BROM = 0)
RESET STATE
0
EA PIN?
1
1
BROM BIT?
0
ROM INIT
DS80C400 Network Microcontroller
SERIAL
LOADER (P1.7)
PIN?
0
NETBOOT
(P5.3) PIN?
1
RUN USER CODE
1
AUTO-BAUD
SUCCESS?
Y
SERIAL LOADER
ëNí
ëEí
N
0
NETBOOT
FIND USER CODE
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