ATUC128L4U Atmel Corporation, ATUC128L4U Datasheet - Page 298

• 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

14.6.26
Name:
Access Type:
Reset Value:
• HRCOUNT: High Resolution Counter
• CKSEL: Clock input selection
• HRPEN: High Resolution Prescaler Enable
32142A–12/2011
31
23
15
7
-
Specify the input clock period to count to generate the output clock edge.
HRCOUNT can be written to dynamically in order to tune the HRPCLK frequency on-the-go.
This field selects the Clock input for the prescaler. See the “HRP clock sources” table in the SCIF Module Configuration section
for details. It must not be changed if the HRPEN is one.
0: The High Resolution Prescaler is disabled.
1: The High Resolution Prescaler is enabled.
High Resolution Prescaler Control Register
30
22
14
6
-
HRPCR
Read/Write
0x00000000
29
21
13
5
-
28
20
12
HRCOUNT[23:16]
4
-
HRCOUNT[15:8]
HRCOUNT[7:0]
27
19
11
3
CKSEL
ATUC64/128/256L3/4U
26
18
10
2
25
17
9
1
HRPEN
24
16
8
0
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