Datasheet

83
32117DS–AVR-01/12
AT32UC3C
Note: 1. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
cess technology. These values are not covered by test limits in production.
Figure 7-17. SMC Signals for NCS Controlled Accesses
Table 7-56. SMC Write Signals with No Hold Settings (NWE Controlled only)
(1)
Symbol Parameter Conditions Min Units
SMC
37
NWE rising to A2-A25 valid
V
VDD
= 3.0V,
drive strength of the pads
set to the lowest,
external capacitor = 40pF
8.7
ns
SMC
38
NWE rising to NBS0/A0 valid 7.6
SMC
40
NWE rising to A1/NBS2 change 8.7
SMC
42
NWE rising to NCS rising 8.4
SMC
43
Data Out valid before NWE rising (nwe pulse length - 1) * tCPSMC - 1.2
SMC
44
Data Out valid after NWE rising 8.4
SMC
45
NWE pulse width nwe pulse length * tCPSMC - 0
NRD
NCS
D0 - D15
NWE
A2-A25
A0/A1/NBS[3:0]
SMC34 SMC35
SMC10 SMC11
SMC16
SMC15
SMC22
SMC21
SMC17
SMC18
SMC14
SMC13
SMC12
SMC18
SMC17
SMC16
SMC15
SMC14
SMC13
SMC12
SMC18
SMC36
SMC16
SMC15
SMC14
SMC13
SMC12