ISD94100 Series Technical Reference Manual
Sep 9, 2019
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[1]
BS
Boot Select (Write Protected)
Set/clear this bit to select next booting from LDROM/APROM, respectively. This bit also
functions as chip booting status flag, which can be used to check where chip booted from.
This bit is initiated with the inversed value of CBS in CONFIG0 after any reset is happened
except CPU reset (RSTS_CPU is 1) or system reset (RSTS_SYS) is happened
0 = Boot from APROM.
1 = Boot from LDROM.
[0]
ISPEN
ISP Enable Bit (Write Protected)
ISP function enable bit. Set this bit to enable ISP function.
0 = ISP function Disabled.
1 = ISP function Enabled.