AT32UC3A4256S Atmel Corporation, AT32UC3A4256S Datasheet - Page 63
AT32UC3A4256S
Manufacturer Part Number
AT32UC3A4256S
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 AT32UC3A4256S
Flash (kbytes)
256 Kbytes
Pin Count
100
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
2
Uart
4
Ssc
1
Sd / Emmc
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
AES
Sram (kbytes)
128
Self Program Memory
YES
Dram Memory
No
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
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT32UC3A4256S-C1UR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT32UC3A4256S-U
Manufacturer:
ST
Quantity:
79
Part Number:
AT32UC3A4256S-U
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
- Current page: 63 of 1012
- Download datasheet (16Mb)
7.6.6
Name:
Access Type:
Offset:
Reset Value:
• STARTUP: Oscillator Startup Time
• MODE: Oscillator Mode
• OSC32EN: Enable the 32 KHz oscillator
32072G–11/2011
STARTUP
0
1
2
3
4
5
6
7
31
23
15
7
-
-
-
-
Select startup time for 32 KHz oscillator
Note: This register is only reset by Power-On Reset
Choose between crystal, or external clock
0: External clock connected on XIN32, XOUT32 can be used as a I/O (no crystal)
1: Crystal is connected to XIN32/XOUT32 - Oscillator is used with automatic gain control
2 to 7: Reserved
0: 32 KHz Oscillator is disabled
1: 32 KHz Oscillator is enabled
32 KHz Oscillator Control Register
Number of RC oscillator
clock cycle
0
128
8192
16384
65536
131072
262144
524288
30
22
14
OSCCTRL32
Read/Write
0x30
0x00000000
6
-
-
-
-
29
21
13
5
-
-
-
-
Approximative Equivalent time
(RCSYS = 115 kHz)
0
1.1 ms
72.3 ms
143 ms
570 ms
1.1 s
2.3 s
4.6 s
28
20
12
4
-
-
-
-
27
19
11
3
-
-
-
-
26
18
10
2
-
-
STARTUP
MODE
25
17
9
1
-
-
OSC32EN
24
16
8
0
-
63
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