SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 86

• 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

17.2
Table 17-1.
17.2.1
Name:
Access:
• PSTDBY: Periodic Interval Value
0 = Voltage regulator in normal mode.
1 = Voltage regulator in standby mode (low-power mode).
86
Offset
0x60
31
23
15
–
–
–
7
–
Voltage Regulator Power Controller (VREG) User Interface
SAM7SE512/256/32
Voltage Regulator Mode Register
Voltage Regulator Power Controller Register Mapping
Register
Voltage Regulator Mode Register
30
22
14
VREG_MR
Read/Write
–
–
–
6
–
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
Name
VREG_MR
27
19
11
–
–
–
3
–
26
18
10
–
–
–
2
–
Read/Write
Access
25
17
–
–
9
–
1
–
6222F–ATARM–14-Jan-11
Reset Value
0x0
PSTDBY
24
16
–
–
8
–
0