Nokia 8550 Service Manual
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))