AT32UC3A1128 Atmel Corporation, AT32UC3A1128 Datasheet - Page 263
AT32UC3A1128
Manufacturer Part Number
AT32UC3A1128
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(98 pages)
2.AT32UC3A0128.pdf
(826 pages)
3.AT32UC3A0128.pdf
(377 pages)
4.AT32UC3A0128.pdf
(33 pages)
5.AT32UC3A0128.pdf
(159 pages)
Specifications of AT32UC3A1128
Flash (kbytes)
128 Kbytes
Pin Count
100
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
69
Ext Interrupts
69
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
1
Uart
4
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
Dac Channels
2
Dac Resolution (bits)
16
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0-3.6 or (1.65-1.95+3.0-3.6)
Operating Voltage (vcc)
3.0-3.6 or (1.65-1.95+3.0-3.6)
Fpu
No
Mpu / Mmu
Yes / No
Timers
10
Output Compare Channels
16
Input Capture Channels
6
Pwm Channels
13
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3A1128-U
Manufacturer:
ATMEL
Quantity:
13
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A0128 PDF datasheet #4
- AT32UC3A0128 PDF datasheet #5
- Current page: 263 of 826
- Download datasheet (11Mb)
32058K AVR32-01/12
25.7.1.1
25.7.1.2
Transmitter Clock Management
Clock Divider
Figure 25-4. Divided Clock Block Diagram
The Master Clock divider is determined by the 12-bit field DIV counter and comparator (so its
maximal value is 4095) in the Clock Mode Register CMR, allowing a Master Clock division by up
to 8190. The Divided Clock is provided to both the Receiver and Transmitter. When this field is
programmed to 0, the Clock Divider is not used and remains inactive.
When DIV is set to a value equal to or greater than 1, the Divided Clock has a frequency of Mas-
ter Clock divided by 2 times DIV. Each level of the Divided Clock has a duration of the Master
Clock multiplied by DIV. This ensures a 50% duty cycle for the Divided Clock regardless of
whether the DIV value is even or odd.
Figure 25-5.
Table 25-2.
The transmitter clock is generated from the receiver clock or the divider clock or an external
clock scanned on the TX_CLOCK I/O pad. The transmitter clock is selected by the CKS field in
TCMR (Transmit Clock Mode Register). Transmit Clock can be inverted independently by the
CKI bits in TCMR.
Maximum
CLK_SSC / 2
Divided Clock
Master Clock
Master Clock
Divided Clock
Divided Clock Generation
DIV = 3
DIV = 1
CLK_SSC
/ 2
Divided Clock Frequency = CLK_SSC/2
Divided Clock Frequency = CLK_SSC/6
Clock Divider
12-bit Counter
Minimum
CLK_SSC / 8190
CMR
Divided Clock
AT32UC3A
263
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