AT91SAM7X256B-CU Atmel, AT91SAM7X256B-CU Datasheet - Page 633
![IC MCU 256KB FLASH 100TFBGA](/photos/6/89/68968/313-100-cbga_sml.jpg)
AT91SAM7X256B-CU
Manufacturer Part Number
AT91SAM7X256B-CU
Description
IC MCU 256KB FLASH 100TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7X256B-CU
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
62
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TFBGA
Processor Series
91S
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
64 KB
Interface Type
CAN, Ethernet, SPI, I2S, TWI, USART, USB
Maximum Clock Frequency
55 MHz
Number Of Programmable I/os
62
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Package
100TFBGA
Device Core
ARM7TDMI
Family Name
91S
Maximum Speed
55 MHz
On-chip Adc
8-chx10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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Manufacturer
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Price
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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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