Datasheet

58.13.1.9.1 Read Timings
Table 58-57. SMC Read Signals - NRD Controlled (READ_MODE = 1)
Symbol Parameter Min Max Unit
NO HOLD Settings (NRD_HOLD = 0)
SMC
1
Data Setup before NRD High 14.3 – ns
SMC
2
Data Hold after NRD High 0 – ns
HOLD Settings (NRD_HOLD ≠ 0)
SMC
3
Data Setup before NRD High 12.1 – ns
SMC
4
Data Hold after NRD High 0 – ns
HOLD or NO HOLD Settings (NRD_HOLD ≠ 0, NRD_HOLD = 0)
SMC
5
A0–A22 Valid before NRD High (NRD_SETUP + NRD_PULSE) × t
CPMCK
- 4.3 – ns
SMC
6
NCS low before NRD High
(NRD_SETUP + NRD_PULSE - NCS_RD_SETUP) ×
t
CPMCK
- 2.4
– ns
SMC
7
NRD Pulse Width NRD_PULSE × t
CPMCK
- 0.3 – ns
Table 58-58. SMC Read Signals - NCS Controlled (READ_MODE = 0)
Symbol Parameter Min Max Unit
NO HOLD Settings (NCS_RD_HOLD = 0)
SMC
8
Data Setup before NCS High 21.4 – ns
SMC
9
Data Hold after NCS High 0 – ns
HOLD Settings (NCS_RD_HOLD ≠ 0)
SMC
10
Data Setup before NCS High 11.7 – ns
SMC
1
1
Data Hold after NCS High 0 – ns
HOLD or NO HOLD Settings (NCS_RD_HOLD ≠ 0, NCS_RD_HOLD = 0)
SMC
12
A0–A22 valid before NCS High
(NCS_RD_SETUP + NCS_RD_PULSE) ×
t
CPMCK
- 3.9
– ns
SMC
13
NRD low before NCS High
(NCS_RD_SETUP + NCS_RD_PULSE - NRD_SETUP) ×
t
CPMCK
- 4.2
– ns
SMC
14
NCS Pulse Width NCS_RD_PULSE length × t
CPMCK
- 0.2 – ns
58.13.1.9.2 Write Timings
Table 58-59. SMC Write Signals - NWE Controlled (WRITE_MODE = 1)
Symbol Parameter Min Max Unit
HOLD or NO HOLD Settings (NWE_HOLD ≠ 0, NWE_HOLD = 0)
SMC
15
Data Out Valid before NWE High NWE_PULSE × t
CPMCK
- 4.6 – ns
SMC
16
NWE Pulse Width NWE_PULSE × t
CPMCK
- 0.3 – ns
SMC
17
A0–A22 valid before NWE low NWE_SETUP × t
CPMCK
- 4.2 – ns
SMC
18
NCS low before NWE high
(NWE_SETUP - NCS_RD_SETUP +
NWE_PULSE) × t
CPMCK
- 2.2
– ns
SAM E70/S70/V70/V71 Family
Electrical Characteristics for SAM ...
© 2019 Microchip T
echnology Inc.
Datasheet
DS60001527D-page 1851