Datasheet

SAM9G20
DS60001516A-page 172  2017 Microchip Technology Inc.
Figure 20-27: Read Access with NWAIT Assertion in Frozen Mode (EXNW_MODE = 10)
EXNW_MODE = 10 (Frozen)
READ_MODE = 0 (NCS_controlled)
NRD_PULSE = 2, NRD_HOLD = 6
NCS_RD_PULSE =5, NCS_RD_HOLD =3
A
[25:2]
MCK
NCS
NRD
10
43
43
2
555
22 0
210
210
1
Read cycle
Assertion is ignored
NWAIT
internally synchronized
NWAIT signal
FROZEN STATE
NBS0, NBS1,
NBS2, NBS3,
A0,A1