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| AT91SAM9G45PRE Datasheet, PDF (87/1218 Pages) ATMEL Corporation – DDR2 Controller 4-bank DDR2/LPDDR, SDRAM/LPSDR | |||
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Figure 13-2. RTT Counting
SCLK
RTPRES - 1
Prescaler
0
APB cycle
AT91SAM9G45
APB cycle
RTT
0
RTTINC (RTT_SR)
ALMS (RTT_SR)
APB Interface
...
ALMV-1 ALMV ALMV+1 ALMV+2 ALMV+3
read RTT_SR
87
6438FâATARMâ21-Jun-10
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