SAM7X256 Atmel Corporation, SAM7X256 Datasheet - Page 92

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SAM7X256

Manufacturer Part Number
SAM7X256
Description
Manufacturer
Atmel Corporation
Datasheets

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
17.2
Table 17-1.
17.2.1
Register Name:
Access Type:
• PSTDBY: Periodic Interval Value
0 = Voltage regulator in normal mode.
1 = Voltage regulator in standby mode (low-power mode).
92
Offset
0x60
31
23
15
7
Voltage Regulator Power Controller (VREG) User Interface
SAM7X512/256/128
Voltage Regulator Mode Register
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
6120I–ATARM–06-Apr-11
Reset Value
0x0
PSTDBY
24
16
8
0

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