AT32UC3C2128C Atmel Corporation, AT32UC3C2128C Datasheet - Page 357
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AT32UC3C2128C
Manufacturer Part Number
AT32UC3C2128C
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.AT32UC3C0128C.pdf
(1313 pages)
4.AT32UC3C0128C.pdf
(108 pages)
Specifications of AT32UC3C2128C
Flash (kbytes)
128 Kbytes
Pin Count
64
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
45
Ext Interrupts
64
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
5
Twi (i2c)
2
Uart
4
Can
2
Lin
4
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
2
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
36
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 to 3.6 or 4.5 to 5.5
Operating Voltage (vcc)
3.0 to 3.6 or 4.5 to 5.5
Fpu
Yes
Mpu / Mmu
Yes / No
Timers
3
Output Compare Channels
13
Input Capture Channels
6
Pwm Channels
14
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3C2128C-A2UR
Manufacturer:
ATMEL
Quantity:
1 043
Part Number:
AT32UC3C2128C-Z2UR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
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- AT32UC3C0128C PDF datasheet #3
- AT32UC3C0128C PDF datasheet #4
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Figure 19-8. Self Refresh Mode Behavior
19.7.6.2
32117C–AVR-08/11
SDRAMC_A[12:0]
SDCKE
SDWE
SDCK
SDCS
RAS
CAS
Low power mode
and Drive Strength (DS) parameters must be set by writing the corresponding fields in the LPR
register, and transmitted to the low power SDRAM device during initialization.
After initialization, as soon as the LPR.PASR, LPR.DS, or LPR.TCSR fields are modified and
self refresh mode is activated, the SDRAMC issues an Extended Load Mode Register command
to the SDRAM and the Extended Mode Register of the SDRAM device is accessed automati-
cally. The PASR/DS/TCSR parameters values are therefore updated before entry into self
refresh mode.
The SDRAM device must remain in self refresh mode for a minimum period of t
remain in self refresh mode for an indefinite period. This is described in
357.
This mode is selected by writing the value two to the LPR.LPCB field. Power consumption is
greater than in self refresh mode. All the input and output buffers of the SDRAM device are
deactivated except SDCKE, which remains low. In contrast to self refresh mode, the SDRAM
device cannot remain in low power mode longer than the refresh period (64 ms for a whole
device refresh operation). As no auto refresh operations are performed by the SDRAM itself, the
SDRAMC carries out the refresh operation. The exit procedure is faster than in self refresh
mode.
This is described in
Figure 19-9 on page
Self Refresh Mode
358.
To the SDRAM Controller
Access Request
T
XSR
Figure 19-8 on page
= 3
AT32UC3C
RAS
Row
and may
357
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