AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 633
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AT91SAM7X128
Manufacturer Part Number
AT91SAM7X128
Description
MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
Manufacturer
Atmel
Datasheet
1.AT91SAM7X512-AU-999.pdf
(687 pages)
Specifications of AT91SAM7X128
Package
100LQFP
Device Core
ARM7TDMI
Family Name
91S
Maximum Speed
55 MHz
Ram Size
32 KB
Program Memory Size
128 KB
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Program Memory Type
Flash
Number Of Programmable I/os
62
Interface Type
CAN/Ethernet/SPI/I2S/TWI/USART/USB
On-chip Adc
8-chx10-bit
Operating Temperature
-40 to 85 °C
Number Of Timers
3
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38.8.5
The maximum operating frequency is given in
cessor is fetching code out of it.
the MC_FMR register. This field defines the number of wait states required to access the Embedded Flash Memory.
Table 38-25. Embedded Flash Wait States
Table 38-26. AC Flash Characteristics
6120H–ATARM–17-Feb-09
Parameter
Program Cycle Time
Full Chip Erase
Embedded Flash Characteristics
FWS
0
1
2
3
Conditions
per page including auto-erase
per page without auto-erase
Table 38-25
Read Operations
gives the device maximum operating frequency depending on the field FWS of
2 cycles
3 cycles
4 cycles
Table 38-25
1 cycle
AT91SAM7X512/256/128 Preliminary
but is limited by the Embedded Flash access time when the pro-
Maximum Operating Frequency (MHz)
Min
15
30
55
55
55
Max
6
3
Units
ms
ms
ms
633
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