AT32UC3A464S Atmel Corporation, AT32UC3A464S Datasheet - Page 858

• Manufacturer Part Number: AT32UC3A464S
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A464S

• Flash (kbytes): 64 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 2
• Uart: 4
• Ssc: 1
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: AES
• Sram (kbytes): 128
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0 to 3.6
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

30.7.18
Name:
Access Type:
Offset:
Reset Value:
• WPKEY[23:0]: Write Protection Key password
• WPEN: Write Protection Enable
32072G–11/2011
31
23
15
7
-
This field should be written at value 0x4D4349 (ASCII code for “MCI”).
Writing any other value in this field has no effect.
1: This bit enables the Write Protection if WPKEY corresponds.
0: This bit disables the Write Protection if WPKEY corresponds.
Write Protect Mode Register
30
22
14
6
-
WPMR
Read/Write
0x0E4
0x00000000
29
21
13
5
-
28
20
12
4
-
WPKEY[23:16]
WPKEY[15:8]
WPKEY[7:0]
27
19
11
3
-
26
18
10
2
-
25
17
9
1
-
WPEN
24
16
8
0
858