User Guide

PAMS
Technical Documentation
NSE–8/9
System Module
Page 2– 57
Issue 1 07/99
4.2 MCU sets the FBUS TX line low to indicate that it has successfully
received the FLASH programming SW, has initialized itself correctly and it
is ready to accept a command from FLASH prommer
After this power up procedure MCU receives commands from the FLASH
programmer and acts accordingly using the FLASH loading SW either in
the API RAM or the external RAM.
CCONT
(PurX)
MAD
(FCLK (MBUS))
MAD
(FRX (FRxData))
MAD
(FTX (FTxData))
SRAM (Chip Sel)
FLASH (Chip Sel)
CCONT
(PurX)
MAD
(FCLK (MBUS))
MAD
(FRX (FRxData))
MAD
(FTX (FTxData))
SRAM (Chip Sel)
FLASH (Chip Sel)
Figure 14. Flash Programming Sequence