Nokia 8550 Service Manual

Page of 120
NSM–3/3D
System Module
PAMS Technical Documentation
Page  37
Issue 4  02/2002
 Nokia Corporation
Flash Programming Sequence
CCONT pin
(PurX)
MAD pin
(FCLK (MBUS))
MAD pin 109
(FRX (FRxData))
MAD pin
(FTX (FTxData))
SRAM D221 (Chip Sel)
FLASH D210 (Chip Sel)
CCONT pin
(PurX)
MAD pin
(FCLK (MBUS))
MAD pin
(FRX (FRxData))
MAD pin
(FTX (FTxData))