AT91SAM7X256B-AU Atmel, AT91SAM7X256B-AU Datasheet - Page 685
![IC MCU 256KB FLASH 100LQFP](/photos/6/76/67646/313-100-lqfp_sml.jpg)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7X256B-AU
Manufacturer:
Atmel
Quantity:
1 800
Part Number:
AT91SAM7X256B-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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6120H–ATARM–17-Feb-09
35 Analog-to-Digital Converter (ADC) ..................................................... 485
36 Controller Area Network (CAN) .......................................................... 505
37 Ethernet MAC 10/100 (EMAC) ............................................................. 563
38 AT91SAM7X512/256/128 Electrical Characteristics .......................... 615
34.2
34.3
34.4
34.5
34.6
35.1
35.2
35.3
35.4
35.5
35.6
36.1
36.2
36.3
36.4
36.5
36.6
36.7
36.8
37.1
37.2
37.3
37.4
37.5
38.1
38.2
38.3
38.4
38.5
38.6
38.7
Block Diagram ...............................................................................................448
Product Dependencies ..................................................................................449
Typical Connection ........................................................................................450
Functional Description ...................................................................................452
USB Device Port (UDP) User Interface .........................................................466
Overview ........................................................................................................485
Block Diagram ...............................................................................................485
Signal Description ..........................................................................................486
Product Dependencies ..................................................................................486
Functional Description ...................................................................................487
Analog-to-Digital Converter (ADC) User Interface .........................................492
Overview ........................................................................................................505
Block Diagram ...............................................................................................506
Application Block Diagram .............................................................................507
I/O Lines Description ....................................................................................507
Product Dependencies ..................................................................................507
CAN Controller Features ...............................................................................508
Functional Description ...................................................................................520
Controller Area Network (CAN) User Interface .............................................533
Overview ........................................................................................................563
Block Diagram ...............................................................................................563
Functional Description ...................................................................................564
Programming Interface ..................................................................................575
Ethernet MAC 10/100 (EMAC) User Interface ...............................................578
Absolute Maximum Ratings ...........................................................................615
DC Characteristics .........................................................................................616
Power Consumption ......................................................................................618
Crystal Oscillators Characteristics .................................................................620
PLL Characteristics .......................................................................................623
USB Transceiver Characteristics ...................................................................624
ADC Characteristics .....................................................................................626
AT91SAM7X512/256/128 Preliminary
vii
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