User`s manual
2-13 Copyright 2009 Cirrus Logic, Inc. DS734UM7
Low Power Mode
CS485xxr Hardware User’s Manual
 Figure 2-6. Flowchart of Steps Used to Exit Low Power Mode
Y 
Y 
N 
Y 
Y 
SET DSP_RESET (LOW) 
SET DSP_RESET (HIGH) 
WRITE_* (SLAVE_BOOT) 
MSG== 
BOOT_START 
READ_* (MSG) 
EXIT (ERROR) 
SEND .ULD FILE 
MSG== 
BOOT_SUCCESS 
READ_* (MSG) 
EXIT (ERROR) 
WRITE_* (SOFT_RESET) 
N 
MSG== 
APP_START 
READ_* (MSG) 
EXIT (ERROR) 
SEND HARDWARE 
CONFIGURATIONS 
N 
WRITE_* (KICKSTART) 
DONE 
Send .uld from Table 2-
8
SEND SOFTWARE 
CONFIGURATIONS 
Start










