AT91SAM7X256B-AU Atmel, AT91SAM7X256B-AU Datasheet - Page 673

IC MCU 256KB FLASH 100LQFP

AT91SAM7X256B-AU

Manufacturer Part Number
AT91SAM7X256B-AU
Description
IC MCU 256KB FLASH 100LQFP
Manufacturer
Atmel
Series
AT91SAMr

Specifications of AT91SAM7X256B-AU

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-LQFP
Package
100LQFP
Device Core
ARM7TDMI
Family Name
91S
Maximum Speed
55 MHz
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Number Of Programmable I/os
62
Interface Type
CAN/Ethernet/SPI/I2S/TWI/USART/USB
On-chip Adc
8-chx10-bit
Number Of Timers
3
Controller Family/series
AT91SAM7xxxxx
No. Of I/o's
62
Ram Memory Size
64KB
Cpu Speed
55MHz
No. Of Timers
1
Rohs Compliant
Yes
Cpu Family
91S
Device Core Size
32b
Frequency (max)
55MHz
Total Internal Ram Size
64KB
# I/os (max)
62
Number Of Timers - General Purpose
3
Operating Supply Voltage (typ)
1.8/3.3V
Operating Supply Voltage (max)
1.95/3.6V
Operating Supply Voltage (min)
1.65/3V
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
100
Package Type
LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant

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6120H–ATARM–17-Feb-09
Version
6120G
(Continued) Comments
Electrical Characteristics,
Table 38-6, “Power Consumption for Different
assigned to Flash In standby mode. Footnote assigned to Ultra Low Power mode.
Section 38.7 ”ADC
“Transfer
Table 38-9, “Main Oscillator
Table 38-11, “XIN Clock Electrical
Figure 38-2, ”XIN CLock Timing” on page
Table 38-2, “DC
Section 39.1 “Thermal Conditions”, removed.
Table 39-3, “Package Reference”
Errata,
“AT91SAM7X256/128 Errata - Rev. A
Section 41.2.2 “Controller Area Network (CAN)” on page
Section 41.2.10.1 ”USART: CTS in Hardware
Section 41.2.10.3 “USART: RXBRK Flag Error in Asynchronous Mode” on page
Section 41.2.10.4 “USART: DCD is Active High instead of Low.” on page
Section 41.2.1 “Analog-to-Digital Converter (ADC)” on page
Section 41.2.7.6 “SPI: Bad Serial Clock Generation on 2nd Chip Select” on page
“AT91SAM7X512 Errata - Rev. A
Section 41.3.2 “Controller Area Network (CAN)” on page
Section 41.3.11.1 ”USART: CTS in Hardware
Section 41.3.11.3 “USART: RXBRK Flag Error in Asynchronous Mode” on page
Section 41.3.11.4 “USART: DCD is Active High instead of Low.” on page
Section 41.3.1 “Analog-to-Digital Converter (ADC)” on page
Section 41.3.8.6 “SPI: Bad Serial Clock Generation on 2nd Chip Select” on page
Characteristics”, reference to Data Converter Terminology added below table.
Characteristics”, removed reference to Tj
Characteristics”, INL and DN updated and Absolute accuracy added to
Characteristics”, added schematic in footnote to C
Parts”:
JESD97 Classification changed to e3.
Characteristics”, added t
Parts”:
622, added figure.
AT91SAM7X512/256/128 Preliminary
Handshaking”, updated.
Handshaking”, updated.
Modes”; Active mode consumption values updated. Footnote
644, added
652, added
CLCH
642, added
650, added
and t
CHCL
649, added.
658, added
to table, t
L
and C
649, added.
658, added
647, added
655, added
CHXIN
LEXT
and t
Table 38-18,
symbols.
CLXIN
updated.
Change
Request
Ref.
4596/
4597
4007
3866
3967
4659
4968
4648
3956
4645
4750
4648
3956
4645
4750
673

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