SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 69

• 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

14.4
Table 14-1.
6222F–ATARM–14-Jan-11
Offset
0x00
0x04
0x08
0x0C
Real-time Timer (RTT) User Interface
Real-time Timer (RTT) Register Mapping
Register
Mode Register
Alarm Register
Value Register
Status Register
RTT_MR
RTT_AR
RTT_VR
RTT_SR
Name
SAM7SE512/256/32
Read/Write
Read/Write
Read-only
Read-only
Access
0xFFFF_FFFF
0x0000_8000
0x0000_0000
0x0000_0000
Reset Value
69