Техническая Спецификация для Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD
Модели
ATSAM4S-WPIR-RD
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
288
Figure 15-2.
RTT Counting
Prescaler
ALMV
ALMV-1
0
ALMV+1
0
RTPRES - 1
RTT
APB cycle
read RTT_SR
ALMS (RTT_SR)
APB Interface
SLCK
RTTINC (RTT_SR)
ALMV+2
ALMV+3
...
APB cycle