ATUC128L4U Atmel Corporation, ATUC128L4U Datasheet - Page 521

• Manufacturer Part Number: ATUC128L4U
• Manufacturer: Atmel Corporation

Specifications of ATUC128L4U

• Flash (kbytes): 128 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 50 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 17
• Hardware Qtouch Acquisition: Yes
• Max I/o Pins: 36
• Ext Interrupts: 36
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 2
• Uart: 4
• Lin: 4
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 12
• Adc Speed (ksps): 460
• Analog Comparators: 8
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 16
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.62 to 3.6
• Operating Voltage (vcc): 1.62 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 18
• Input Capture Channels: 12
• Pwm Channels: 35
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

21.8.13
Register Name:
Access Type:
Offset:
Reset Value:
•
•
32142A–12/2011
SPIWPKEY: SPI Write Protection Key Password
SPIWPEN: SPI Write Protection Enable
31
23
15
7
-
If a value is written in SPIWPEN, the value is taken into account only if SPIWPKEY is written with “SPI” (SPI written in ASCII
Code, i.e. 0x535049 in hexadecimal).
1: The Write Protection is Enabled
0: The Write Protection is Disabled
Write Protection Control Register
30
22
14
6
-
WPCR
Read-write
0xE4
0x00000000
29
21
13
5
-
28
20
12
SPIWPKEY[23:16]
4
SPIWPKEY[15:8]
-
SPIWPKEY[7:0]
27
19
11
3
-
ATUC64/128/256L3/4U
26
18
10
2
-
25
17
9
1
-
SPIWPEN
24
16
8
0
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