AT32UC3A3128S Atmel Corporation, AT32UC3A3128S Datasheet - Page 84
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AT32UC3A3128S
Manufacturer Part Number
AT32UC3A3128S
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3A3128.pdf
(91 pages)
5.AT32UC3A3128.pdf
(1012 pages)
Specifications of AT32UC3A3128S
Flash (kbytes)
128 Kbytes
Pin Count
144
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
110
Ext Interrupts
110
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
2
Uart
4
Lin
4
Ssc
1
Sd / Emmc
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
AES
Sram (kbytes)
128
Self Program Memory
YES
External Bus Interface
1
Dram Memory
sdram
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
18
Input Capture Channels
12
Pwm Channels
12
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
- Current page: 84 of 1012
- Download datasheet (16Mb)
8.6.1
Name:
Access Type:
Offset:
Reset Value:
• CLKEN: Clock Enable
• PSEL: Prescale Select
• BUSY: RTC Busy
• CLK32: 32 KHz Oscillator Select
• WAKEN: Wakeup Enable
• PCLR: Prescaler Clear
• EN: Enable
32072G–11/2011
31
23
15
7
-
-
-
-
1: The clock is enabled.
0: The clock is disabled.
Selects prescaler bit PSEL as source clock for the RTC.
This bit is set when the RTC is busy and will discard writes to TOP, VAL, and CTRL.
This bit is cleared when the RTC accepts writes to TOP, VAL, and CTRL.
1: The RTC uses the 32 KHz oscillator as clock source.
0: The RTC uses the RC oscillator as clock source.
1: The RTC wakes up the CPU from sleep modes.
0: The RTC does not wake up the CPU from sleep modes.
Writing a one to this bit clears the prescaler.
Writing a zero to this bit has no effect.
This bit always reads as zero.
1: The RTC is enabled.
0: The RTC is disabled.
Control Register
30
22
14
6
-
-
-
-
CTRL
Read/Write
0x00
0x00010000
29
21
13
5
-
-
-
-
BUSY
28
20
12
4
-
-
-
CLK32
27
19
11
3
-
-
WAKEN
26
18
10
2
-
-
PSEL
PCLR
25
17
9
1
-
-
CLKEN
EN
24
16
8
0
-
84
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