SAM3A4C Atmel Corporation, SAM3A4C Datasheet - Page 1441
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SAM3A4C
Manufacturer Part Number
SAM3A4C
Description
Manufacturer
Atmel Corporation
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Figure 45-36. Two-wire Serial Bus Timing
45.10.10 Embedded Flash Characteristics
The maximum operating frequency is given in tables
time when the processor is fetching code out of it. The tables
frequency depending on the field FWS of the MC_FMR register. This field defines the number of wait states required to
access the Embedded Flash Memory
Note: The embedded flash is fully tested during production test, the flash contents is not set to a known state prior to ship-
ment. Therefore, the flash contents should be erased prior to programming an application.
Table 45-59. Embedded Flash Wait State VDDCORE set at 1.62V
Table 45-60. Embedded Flash Wait State VDDCORE set at 1.80V
Table 45-61. AC Flash Characteristics
11057A–ATARM–17-Feb-12
TWCK
TWCK
Parameter
Program Cycle Time
TWD
TWD
t
t
SU;STA
SU;STA
FWS
FWS
0
1
2
3
4
0
1
2
3
4
t
t
HD;STA
HD;STA
Conditions
per page including auto-erase
per page without auto-erase
t
t
t
t
of
of
LOW
LOW
Read Operations
Read Operations
2 cycles
3 cycles
4 cycles
5 cycles
2 cycles
3 cycles
4 cycles
5 cycles
1 cycle
1 cycle
t
t
HIGH
HIGH
t
t
HD;DAT
HD;DAT
45-59
and
45-59
t
t
LOW
LOW
45-60
and
below but is limited by the Embedded Flash access
t
t
SU;DAT
SU;DAT
45-60
Min
Maximum Operating Frequency (MHz)
Maximum Operating Frequency (MHz)
below give the device maximum operating
Typ
17
45
58
70
78
19
50
64
80
90
t
t
SU;STO
SU;STO
Max
t
t
4.6
2.3
r
r
SAM3X/A
Units
t
t
BUF
BUF
ms
ms
1441
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