AT91SAM7X256B-AU Atmel, AT91SAM7X256B-AU Datasheet - Page 43

• 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

Revision History
Table 12-2.
6120FS–ATARM–17-Feb-09
Doc. Rev
6120AS
6120BS
6120CS
6120DS
Revision History
Comments
In
In
In
In
In
Peripherals block.
In
Update to product functionalities including changes to
Section 9.5 “Debug Unit” on page 29
Updated PLL output range max value in
Updated information in
Updated ordering information in
Added AT91SAM7X512 to product
Reformatted Memories
Reordered sub sections in Peripherals
Consolidated Memory Mapping in
Added TFBGA information
added LQFP and TFBGA package drawings
System Controller block diagram
“power_on_reset”.
Section 10.1 ”User Interface”
Table 10-1 on page 31
First issue - Unqualified on Intranet
Legal page updated.Qualified on Intranet
Corrections to maintain consistency with full datasheet:
In
PDC channels, removed Wake-on-LAN support.
In
In
changed all SPI pin names.
In
dynamic power consumption level on VDDCORE
In
“Features” on page
Figure 2-1 on page
Figure 2-1 on page
Section 5.2 “Power Consumption” on page
Section 6.2 “Test Pin” on page
Section 6.6 “I/O Lines Current Drawing” on page
Section 7.4 “Peripheral DMA Controller” on page
Section 8. “Memories” on page
Section 8.7 “SAM-BA Boot Assistant” on page
Figure 9-1 on page
Section 10.6 “Ethernet MAC” on page
AT91SAM7X512/256/128 Preliminary Summary
1, corrected Page Programming Time and Full Erase Time; corrected number of
4, corrected number of PDC channels.
4,
25, changed range of periph_irq and periph_clk on AIC and for Embedded
Section 5.1 “Power Supplies” on page
SYSIRQ changed to SYSC in “Peripheral Identifiers”
Section 8. “Memories” on page
Table 3-1 on page
Section 4.3 “100-ball TFBGA Package Outline” on page
User Peripherals are mapped between 0xF000 0000 and 0XFFFF EFFF.
“Ordering Information” on page
Figure 9-1 on page
13, removed reference to SAM-BA boot recovery.
17, corrected Page Programming Time and Full Erase Time.
Figure 8-1 on page
family.“Features” on page 1
and to Peripheral mapping.
Section 10. “Peripherals” on page 31
Section 9.2 “Clock Generator” on page
35, updated features.
5,
Section 11. on page
11, changed value of static current level and value of
Table 10-2 on page 33
22, updated section.
14, changed value of total current level.
16, corrected number of PDC channels.
25, “ice_nreset” signals changed to
18.
“Features” on page
17.
11.
and global
42.
39.
and
Table 10-3 on page
1,
Figure 2-1 on page
27.
10.
34,
4,
Change
Request
Ref.
CSR 05-388
05-457
05-462
05-491
05-471
2723
2728
rfo review
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