AT32UC3A3256 Atmel Corporation, AT32UC3A3256 Datasheet - Page 166
AT32UC3A3256
Manufacturer Part Number
AT32UC3A3256
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 AT32UC3A3256
Flash (kbytes)
256 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
No
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
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- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
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14.5.4
14.5.5
32072G–11/2011
Interrupts
HMATRIX
Refer to
Table 14-2.
The EBI interface has two interrupt lines connected to the Interrupt Controller:
Handling the EBI interrupt requires configuring the interrupt controller before configuring the EBI.
The EBI interface is connected to the HMATRIX Special Function Register 6 (SFR6). The user
must first write to this HMATRIX.SFR6 to configure the EBI correctly.
Table 14-3.
Clocks name
CLK_EBI
CLK_SDRAMC
CLK_SMC
CLK_ECCHRS
• CLK_ECCHRS
• SDRAMC_IRQ: Interrupt signal coming from the SDRAMC
• ECCHRS_IRQ: Interrupt signal coming from the ECCHRS
SFR6 Bit
Number
[31:6]
5
4
3
Table 14-2 on page 166
EBI Clocks Configuration
EBI Special Function Register Fields Description
Clocks
type
HSB
PB
PB
PB
CS5A
CS4A
CS3A
Bit name
SDRAM
X
X
Reserved
0 = Chip Select 5 (NCS[5]) is connected to a Static Memory device. For each
access to the NCS[5] memory space, all related pins act as SMC pins
1 = Chip Select 5 (NCS[5]) is connected to a CompactFlash device. For each
access to the NCS[5] memory space, all related pins act as CompactFlash
pins
0 = Chip Select 4 (NCS[4]) is connected to a Static Memory device. For each
access to the NCS[4] memory space, all related pins act as SMC pins
1 = Chip Select 4 (NCS[4]) is connected to a CompactFlash device. For each
access to the NCS[4] memory space, all related pins act as CompactFlash
pins
0 = Chip Select 3 (NCS[3]) is connected to a Static Memory device. For each
access to the NCS[3] memory space, all related pins act as SMC pins
1 = Chip Select 3 (NCS[3]) is connected to a NandFlash or a SmartMedia
device. For each access to the NCS[3] memory space, all related pins act as
NandFlash or SmartMedia pins
to configure those clocks.
SRAM, PROM,
EPROM,
EEPROM, Flash
X
X
Type of the Interfaced Device
Description
NandFlash
SmartMedia
X
X
X
CompactFlash
X
X
166
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