User Guide

RH-48
Troubleshooting — BB CCS Technical Documentation
Page 18 © 2003 Nokia Corporation Confidential Issue 1 11/2003
Figure 11: Flashing starts by BSI being pulled up and password being sent to UEM
• This boot code asks MCU to report prommer phone’s configuration information, includ-
ing flash device type. Now prommer can select and send algorithm code to MCU SRAM
(and SRAM/Flash self-tests can be executed).
Figure 12: Flashing, continued
CH1 = BSI
CH2 = MBUS
CH3 = FBUSTX
CH4 = FBUSRX
Measure points
Production test pattern
(J396)
FLASH_1
CH1 = PURX
CH2 = MBUS
CH3 = FBUSTX
CH4 = FBUSRX
Measure points
Production test pattern
(J396)
FLASH_2