AT91SAM7X256B-AU Atmel, AT91SAM7X256B-AU Datasheet - Page 677
![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
- Current page: 677 of 687
- Download datasheet (11Mb)
6120H–ATARM–17-Feb-09
Version
6120E
6120D
6120C
6120B
6120A
Comments
04-Apr-06
The following errata have been added:
Section 41.2.3.2 ”EMAC: Possible Event Loss when Reading EMAC_ISR”
Section 41.2.3.3 ”EMAC: Possible Event Loss when Reading the Statistics Register Block”
Section 41.2.7.3 ”SPI: SPCK Behavior in Master Mode”
Section 41.2.4.1 ”PIO: Leakage on PB27 -
03-Feb-06
Section 41. ”AT91SAM7X512/256/128 Errata”
Device package/product number changed
Section 41.2.3 ”Ethernet MAC (EMAC)”
The sections listed below have been added to the Errata:
Section 41.2.5 ”Pulse Width Modulation Controller (PWM)”
Section 41.2.7 ”Serial Peripheral Interface (SPI)”
Section 41.2.8 ”Synchronous Serial Controller (SSC)”
Section 41.2.9 ”Two-wire Interface (TWI)”
Section 41.2.10 ”Universal Synchronous Asynchronous Receiver Transmitter (USART)”
26-Oct-05
Replaced
17-Oct-05
Updated product functionalities in
on page
Corrected PLL output range maximum value in
Section 18.3.2.1 “Internal Memory Mapping” on page 95
Characteristics,” on page
Updated information in Power Supplies on page 9
Updated field Part Number in
Updated Chip ID in
Removed references to PGMEN2 in
Updated “ARCH: Architecture Identifier” in Debug Unit with new values for AT91SAM7XCxx series and
AT91SAM7Xxx series.
Updated CAN bit timing configuration in
and in
Added
Updated AT91SAM7X Ordering information.
10-Oct-05
Section 36.8.6 “CAN Baudrate Register” on page
Section 38.8.4 “EMAC Characteristics” on page
29, and Figure 11-1 on page 27
Section 29. “Two-wire Interface (TWI)” on page
Section 9.5 “Debug Unit” on page 29
623.
Section 12.5.5 “ID Code Register” on page
“Features” on page
Section 20. “Fast Flash Programming Interface (FFPI)” on page
RMII mode is not functional
Section 36.6.4.1 “CAN Bit Timing Configuration” on page 512
AT91SAM7X512/256/128 Preliminary
PB30”: worst case leakage changed to 9 µA
Section 9.2 “Clock Generator” on page
1,
630.
Figure 2-1 on page
545.
and
and in
281.
Table 38-12, “Phase Lock Loop
Section 12.5.3 “Debug Unit” on page
55.
4,
Section 9.5 “Debug Unit”
27,
Figure 18-3
119.
48.
in
Change
Request
Ref.
#2455
#2605
#1767
05-516
05-456
05-491
05-472
05-464
05-459
05-419
05-469
05-470
First issue
677
Related parts for AT91SAM7X256B-AU
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![AT91SAM7X-EK](/photos/9/20/92039/at91sam7x-ek_tmb.jpg)
Part Number:
Description:
KIT EVAL FOR AT91SAM7X256/128
Manufacturer:
Atmel
Datasheet:
![KSK-AT91SAM7X-PL](/photos/15/92/159245/largeiarsystemskickstartkit_tmb.jpg)
Part Number:
Description:
MCU, MPU & DSP Development Tools KICKSTART KIT ATMEL AT91SAM7X
Manufacturer:
IAR Systems
![AT91SAM9R64-CU](/photos/12/13/121356/144-lfbga_tmb.jpg)
Part Number:
Description:
MCU ARM9 64K SRAM 144-LFBGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM7A3-AU](/photos/6/76/67646/313-100-lqfp_tmb.jpg)
Part Number:
Description:
IC ARM7 MCU FLASH 256K 100LQFP
Manufacturer:
Atmel
Datasheet:
![AT91SAM9G20B-CU](/photos/12/13/121366/217-lfbga_tmb.jpg)
Part Number:
Description:
IC ARM9 MPU 217-LFBGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM9261B-CU](/photos/12/13/121366/217-lfbga_tmb.jpg)
Part Number:
Description:
MCU ARM9 ULTRA LOW PWR 217-LFBGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM9G45-CU](/photos/12/13/121367/324-tfbga-pkg_tmb.jpg)
Part Number:
Description:
MCU ARM9 324-TFBGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM9G10-CU](/photos/12/13/121366/217-lfbga_tmb.jpg)
Part Number:
Description:
IC MCU ARM9 SAMPLING 217CBGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM9260B-CU](/photos/12/13/121366/217-lfbga_tmb.jpg)
Part Number:
Description:
IC ARM9 MCU 217-LFBGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM9260B-QU](/photos/6/73/67311/313-208-pqfp_tmb.jpg)
Part Number:
Description:
IC ARM9 MCU 208-PQFP
Manufacturer:
Atmel
Datasheet:
![AT91SAM7X512-AU](/photos/6/76/67646/313-100-lqfp_tmb.jpg)
Part Number:
Description:
MCU ARM 512K HS FLASH 100-LQFP
Manufacturer:
Atmel
Datasheet:
![AT91SAM7X512-CU](/photos/6/89/68968/313-100-cbga_tmb.jpg)
Part Number:
Description:
MCU ARM 512K HS FLASH 100-TFBGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM9263B-CU](/photos/12/13/121367/324-tfbga-pkg_tmb.jpg)
Part Number:
Description:
IC ARM9 MCU 200 MHZ 324-TFBGA
Manufacturer:
Atmel
Datasheet:
![AT91RM9200-CJ-002](/photos/12/32/123245/256-bga_tmb.jpg)
Part Number:
Description:
IC ARM MCU 16BIT 128K 256BGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM7S128-AU-001](/photos/12/13/121332/313-64-tqfp_tmb.jpg)
Part Number:
Description:
IC ARM7 MCU 32BIT 128K 64LQFP
Manufacturer:
Atmel
Datasheet: