Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet
Product codes
ATSAM4S-WPIR-RD
463
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
Figure 26-24. Read Access with NWAIT Assertion in Frozen Mode (EXNW_MODE = 10)
EXNW_MODE = 10 (Frozen)
READ_MODE = 0 (NCS_controlled)
READ_MODE = 0 (NCS_controlled)
NRD_PULSE = 2, NRD_HOLD = 6
NCS_RD_PULSE =5, NCS_RD_HOLD =3
NCS_RD_PULSE =5, NCS_RD_HOLD =3
A[23:0]
MCK
NCS
NRD
1
0
4
3
4
3
2
5
5
5
2
2
0
2
1
0
2
1
0
1
Read cycle
Assertion is ignored
NWAIT
internally synchronized
NWAIT signal
FROZEN STATE