Datasheet

59.13.1.9.2 Write Timings
Table 59-59. SMC Write Signals - NWE Controlled (WRITE_MODE = 1)
Symbol VDDIO Supply 1.8V Domain 3.3V Domain 1.8V
Domain
3.3V
Domain
Unit
Parameter Min Max
HOLD or NO HOLD Settings (NWE_HOLD ≠ 0, NWE_HOLD = 0)
SMC
15
Data Out Valid
before NWE High
NWE_PULSE × t
CPMCK
-
5.4
NWE_PULSE × t
CPMCK
-
4.6
– – ns
SMC
16
NWE Pulse Width NWE_PULSE × t
CPMCK
-
0.7
NWE_PULSE × t
CPMCK
-
0.3
– – ns
SMC
17
A0–A22 valid
before NWE low
NWE_SETUP × t
CPMCK
-
4.9
NWE_SETUP × t
CPMCK
-
4.2
– – ns
SMC
18
NCS low before
NWE high
(NWE_SETUP -
NCS_RD_SETUP +
NWE_PULSE) × t
CPMCK
- 3.2
(NWE_SETUP -
NCS_RD_SETUP +
NWE_PULSE) × t
CPMCK
- 2.2
– – ns
HOLD Settings (NWE_HOLD ≠ 0)
SMC
19
NWE High to Data
OUT
, NBS0/A0
NBS1, A1, A2–A25
change
NWE_HOLD × t
CPMCK
-
4.6
NWE_HOLD × t
CPMCK
-
3.9
– – ns
SMC
20
NWE High to NCS
Inactive
(1)
(NWE_HOLD -
NCS_WR_HOLD) ×
t
CPMCK
- 3.9
(NWE_HOLD -
NCS_WR_HOLD) ×
t
CPMCK
- 3.6
– – ns
NO HOLD Settings (NWE_HOLD = 0)
SMC
21
NWE High to Data
OUT, NBS0/A0
NBS1, A1, A2–
A25, NCS
change
(1)
2.1 1.5 – – ns
SAM E70/S70/V70/V71 Family
Electrical Characteristics for SAM E70/S70
© 2019 Microchip T
echnology Inc.
Datasheet
DS60001527D-page 1898