AT32UC3C2512C Automotive Atmel Corporation, AT32UC3C2512C Automotive Datasheet - Page 81

• Manufacturer Part Number: AT32UC3C2512C Automotive
• Manufacturer: Atmel Corporation

Table 7-54.
Note:
Table 7-55.
Note:
9166CS–AVR-08/11
Symbol
SMC
SMC
SMC
SMC
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
19
20
21
22
23
24
25
29
31
32
33
34
35
36
1. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
1. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
2. hold length = total cycle duration - setup duration - pulse duration. “hold length” is for “ncs wr hold length” or “nwe hold
cess technology. These values are not covered by test limits in production.
cess technology. These values are not covered by test limits in production.
length”
Parameter
Data setup before NRD high
Data hold after NRD high
Data setup before NCS high
Data hold after NCS high
Parameter
Data Out valid before NWE high
Data Out valid after NWE high
NWE high to NBS0/A0 change
NWE high to NBS2/A1 change
NWE high to A2 - A25 change
NWE high to NCS inactive
NWE pulse width
Data Out valid before NCS high
Data Out valid after NCS high
NCS high to NWE inactive
SMC Read Signals with no Hold Settings
SMC Write Signals with Hold Settings
(2)
(2)
(2)
(2)
(2)
(2)
(2)
NRD Controlled (READ_MODE = 1)
NRD Controlled (READ_MODE = 0)
NRD Controlled (READ_MODE = 1)
NRD Controlled (READ_MODE = 0)
drive strength of the pads set
drive strength of the pads set
external capacitor = 40pF
external capacitor = 40pF
drive strength of the pads set to the lowest,
drive strength of the pads set to the lowest,
(1)
to the lowest,
to the lowest,
(1)
V
V
Conditions
VDD
VDD
external capacitor = 40pF
external capacitor = 40pF
= 3.0V,
= 3.0V,
V
V
Conditions
VDD
VDD
= 3.0V,
= 3.0V,
(ncs wr hold length - nwe hold length) *
(nwe hold pulse - ncs wr hold length) *
(ncs wr pulse length - 1) * t
(nwe pulse length - 1) * t
ncs wr hold length * t
nwe pulse length * t
nwe pulse length * t
nwe pulse length * t
nwe pulse length * t
nwe pulse length * t
t
t
CPSMC
CPSMC
Min
- 2.6
- 2.2
CPSMC
CPSMC
CPSMC
CPSMC
CPSMC
CPSMC
CPSMC
AT32UC3C
CPSMC
34.4
30.2
Min
- 5.1
- 2.8
- 0.8
- 7.2
- 0.4
0
0
- 5.5
- 1.7
- 2.5
Units
Units
ns
ns
ns
ns
81