SAM7X256 Atmel Corporation, SAM7X256 Datasheet - Page 677

• Manufacturer Part Number: SAM7X256
• Manufacturer: Atmel Corporation

Specifications of SAM7X256

• Flash (kbytes): 256 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 55 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 62
• Ext Interrupts: 62
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Twi (i2c): 1
• Uart: 3
• Can: 1
• Ssc: 1
• Ethernet: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 64
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

6120I–ATARM–06-Apr-11
Version
6120F
(Continued) Comments
ADC:
“ADC Timings” on page 486
CAN: Update to message acceptance example in
page
New information on byte priority added to
and
Corrected MDL bit description in
Update to specify allowed values for BRP field on
and in
EMAC:
“Interrupt Disable Register” on page
“Interrupt Mask Register” on page
Section 38. ”SAM7X512/256/128 Electrical Characteristics”
“Absolute Maximum Ratings” on page 609
Updated
Oscillator Characteristics,” on page
Added
Updated I
Added information on data sampling in SPI master mode to
Updated
Added
”EMAC RMII Mode” on page
Errata updated:
Added
Section 41.3.6.1 ”RTT: Possible Event Loss when Reading RTT_SR”
Section 41.3.7.4 ”SPI: Chip Select and Fixed Mode”
Section 41.3.7.5 ”SPI: Baudrate Set to 1”
TWI: Behavior of OVRE Bit (removed)
Section 41.3.9.5 ”TWI: Software Reset”
Section 41.3.10.2 ”USART: Hardware Handshaking – Two Characters Sent”
Section 41.3.10.3 ”USART: RXBRK Flag Error in Asynchronous Mode”
PIO: Leakage on PB27 - PB 30 ....”the leakage can be 25 µA in worst case...”
Changed conditions of parameters I
Section 36.8.18 “CAN Message Data High Register” on page
506.
Section 35.2 “Block Diagram” on page 485
Section 36.8.6 “CAN Baudrate Register” on page
Table 38-10, “Crystal Characteristics,” on page
Table 38-24, “EMAC RMII Specific Signals (Only for SAM7X512),” on page 626
Section 41.1 “Marking” on page
“Interrupt Enable Register” on page
Table 38-5, “DC Flash Characteristics SAM7X512/256/128,” on page 611
Table 38-22, “EMAC Signals,” on page 624
DDBP
in
Table 38-11, “XIN Clock Electrical Characteristics,” on page
typo corrected in warning
626.
Section 36.8.17 “CAN Message Data Low Register” on page
589, access changed to Read-only.
615.
PULLUP
588, access changed to Write-only.
635.
Section 36.8.17 “CAN Message Data Low Register” on page 556
change to Maximum Operating Voltages
and I
587, access changed to Write-only.
LEAK
dedicated and I/O line multiplexed inputs differentiated.
Section 36.6.2.1 “Message Acceptance Procedure” on
Section 36.6.4 ”CAN 2.0 Standard Features”, page 511
in
616.
Table 38-2, “DC Characteristics,” on page
543.
Table 38-21, “SPI Timings,” on page
557.
616.
SAM7X512/256/128
and
and
Table 38-9, “Main
Figure 38-9,
556.
623.
610.
Change
Request
Ref.
3052
2830
2295, 2296
2476
2597
1725
3059
rfo review
#2871
rfo review
681