SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 659

• Manufacturer Part Number: SAM7SE256
• Manufacturer: Atmel Corporation

Specifications of SAM7SE256

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 48 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 88
• Ext Interrupts: 88
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 3
• Ssc: 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): 32
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

44. Revision History
6222F–ATARM–14-Jan-11
Version
6222F
Version
6222E
Comments
Boot ROM:
SAM7SE32 user area addresses updated in
Variables - only used in this section - changed into text (Yy, Yy_prod, Yz, Yz_prod, DRXD_PIO, DTXD_PIO).
SAM7SE512/256/32 Errata - Rev. A Parts:
Section 43.2.2 ”Flash Memory”
‘AT91SAM’ product prefix changed to ‘SAM’ (except for Chip ID and ordering codes).
Comments
Features:
“Mode for General Purpose Two-wire UART Serial Communication” added to
Signal Description:
Table 3-1, “Signal Description
System Controller:
Figure 9-1 ”System Controller Block
AT91SAM7SE512/256/32 Electrical Characteristics:
Section 40.7 ”ADC
AT91SAM7SE512/256/32 Errata - Rev. A Parts:
Section 43.2.9.4 ”USART: RXBRK Flag Error in Asynchronous Mode”
Section 43.2.6.3 ”SPI: Software Reset Must Be Written Twice”
USART: XOFF Character Bad Behavior removed from
Embedded Flash Controller (EFC):
Section 19.2.4.4 ”General-purpose NVM
Text added below
External Bus Interface (EBI):
Note (8) added to row NWR0/NWE/CFWE in
Note (1) added to
Memory Controller (MC):
Section 18.5.2 ”MC Abort Status
Reset Controller (RSTC):
Section 13.2.4.4 ”Software
USB Transceiver Characteristics:
Latest Programmer Datasheet used (UDP_6083S instead of UDP_6083M).
Figure 19-6 ”Example of Partial Page Programming:”
Figure
Characteristics”,
21-6.
Reset”, text added at the end of
List”, AD0-AD3 and AD4-AD7 comments reversed.
added.
Register”, MST0, MST1, SVMST0, SVMST1 edited.
Table 40-17
Diagram”, ‘periph_nreset’ changed into ‘power_on_reset’ for RTT.
Bits”, bit values edited in last paragraph.
Section 25.5 ”Hardware and Software
Table
and
21-3.
Table 40-18
Section 43.2.9
PERRST description.
added.
edited.
description edited.
“Debug Unit
SAM7SE512/256/32
Constraints”.
(DBGU)”.
Change
Request
Ref.
7312
rfo
7541
rfo
Change
Request
Ref.
5846
5271
5222
6774
6626
5785
5337
6236
6774
6774
5687
5436
6774
659