SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 210

• 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

23.7
Table 23-8.
210
Offset
0x24 - 0xFC
0x0C
0x1C
0x00
0x04
0x08
0x10
0x14
0x18
0x20
SDRAM Controller (SDRAMC) User Interface
SAM7SE512/256/32
SDRAM Controller Memory Mapping
Register
SDRAMC Mode Register
SDRAMC Refresh Timer Register
SDRAMC Configuration Register
SDRAMC Self Refresh Register
SDRAMC Low Power Register
SDRAMC Interrupt Enable Register
SDRAMC Interrupt Disable Register
SDRAMC Interrupt Mask Register
SDRAMC Interrupt Status Register
Reserved
SDRAMC_SRR
SDRAMC_LPR
SDRAMC_IDR
SDRAMC_IMR
SDRAMC_IER
SDRAMC_ISR
SDRAMC_MR
SDRAMC_TR
SDRAMC_CR
Name
–
Read/Write
Read/Write
Read/Write
Read/Write
Read-only
Write-only
Write-only
Write-only
Read-only
Access
–
6222F–ATARM–14-Jan-11
0x2A99C140
0x00000010
0x00000800
Reset State
0x0
0x0
0x0
–
–
–
–