ATUC128L4U Atmel Corporation, ATUC128L4U Datasheet - Page 476

• 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

20.7.9
Name:
Access Type:
Offset:
Reset Value:
This register can only be written to if write protection is disabled, see
• FP: Fractional Part
•
Table 20-17.
32142A–12/2011
CD: Clock Divider
31
23
15
–
–
7
1 to 65535
0: Fractional divider is disabled.
1 - 7: Baud rate resolution, defined by FP x 1/8.
Baud Rate Generator Register
CD
0
30
22
14
BRGR
Read-write
0x20
0x00000000
–
–
6
Baud Rate =
Selected Clock/16/CD
OVER = 0
29
21
13
–
–
5
SYNC = 0
Baud Rate =
Selected Clock/8/CD
28
20
12
–
–
4
OVER = 1
CD[15:8]
CD[7:0]
Baud Rate Clock Disabled
27
19
11
–
–
3
”Write Protect Mode Register” on page
Baud Rate =
Selected Clock /CD
(Master or Slave)
ATUC64/128/256L3/4U
MODE = SPI
SYNC = 1
26
18
10
–
2
or
FP
25
17
–
9
1
482.
24
16
–
8
0
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