Table of Contents
Advertisement
MB96300 Super Series Hardware Manual
■ Flowchart in External Vector Mode
External
Vector Mode 0
Get configuration
8bit multiplex
not protected
Figure 8.4-5 Boot ROM sequence in External Vector Modes
External
Vector Mode 1
Get configuration
16bit multiplex
Write bus
configuration for
reading Boot Vector
Read Boot Vector
and mode byte
from external
0xFFFFDC
Write new mode
byte to EBM
(M/S)FMWPAM
set ?
write
protected
Write FMWC
configuration
CHAPTER 8 RESETS AND STARTUP
External
Vector Mode 2
Get configuration
8bit non-multiplex
MFSB or
SFSB set ?
secured
Jump to Start
Address
unsecured
n
BDMAM
enabled ?
y
Init BDM
y
Autostart
enabled ?
n
Init FDM
Indicate Break
207
Advertisement
Table of Contents
