AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 633

• Manufacturer Part Number: AT91SAM7X128
• Description: MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
• Manufacturer: Atmel

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

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
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