Rainbow Electronics T89C5121 - Manual (Page 72)

72
A/T8xC5121
4164G–SCR–07/06
UART ISP Intern. EEP Programming
SSB level 1 must be set (done, if
selected, at ISP Programming or Ext
EEP Donwload)
UART ISP CRAM Program access
SSB level 1 IN Int EEP protects as, first,
the Int EEP is programmed before
CRAM
UART ISP
SSB in EEP and
CRAM
level 2 to level 1 Protected by Bootloader
UART ISP
SSB in EEP and
CRAM
level 1 to level 0 Protected by Bootloader
Source Target Case Protection