AT32UC3C2128C Atmel Corporation, AT32UC3C2128C Datasheet - Page 349
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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
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19.5
19.5.1
Figure 19-2. SDRAM Controller Connections to SDRAM Devices: 16-bit Data Bus Width
19.5.2
32117C–AVR-08/11
Application Example
Hardware Interface
Software Interface
Controller
SDRAM
SDRAMC_A[0-12]
DQM[0-1]
SDCKE
D0-D31
SDWE
SDCK
SDCS
RAS
CAS
BA0
BA1
Table 19-1.
Figure 19-2 on page 349
bus width. It is important to note that this example is given for a direct connection of the devices
to the SDRAMC, without External Bus Interface or I/O Controller multiplexing.
The SDRAM address space is organized into banks, rows, and columns. The SDRAMC allows
mapping different memory types according to the values set in the SDRAMC Configuration Reg-
ister (CR).
The SDRAMC’s function is to make the SDRAM device access protocol transparent to the user.
Table 19-2 on page 350
ping seen by the user in correlation with the device structure. Various configurations are
illustrated.
Name
DQM[1:0]
SDRAMC_A[12:0]
D[15:0]
I/O Lines Description
DQM0
D0-D7
D0-D7
CS
CLK
CKE
WE
RAS
CAS
DQM
SDRAM
2Mx8
Description
Data Mask Enable Signals
Address Bus
Data Bus
to
A0-A9 A11
shows an example of SDRAM device connection using a 16-bit data
Table 19-4 on page 350
BA0
BA1
A10
SDRAMC_A10
BA1
BA0
illustrate the SDRAM device memory map-
D8-D15
DQM1
D0-D7
CS
CLK
CKE
WE
RAS
CAS
DQM
SDRAM
2Mx8
Type
Output
Output
Input/Output
A0-A9 A11
A10
BA0
BA1
SDRAMC_A10
BA1
BA0
AT32UC3C
Active Level
High
349
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