AT32UC3A3256 Atmel Corporation, AT32UC3A3256 Datasheet - Page 58
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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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT32UC3A3256-ALU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT32UC3A3256-ALUR
Manufacturer:
ATMEL
Quantity:
1 500
Company:
Part Number:
AT32UC3A3256-ALUT
Manufacturer:
TST
Quantity:
430
Part Number:
AT32UC3A3256-ALUT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Company:
Part Number:
AT32UC3A3256-CTUT
Manufacturer:
ATMEL
Quantity:
2 757
Company:
Part Number:
AT32UC3A3256-U
Manufacturer:
ATMEL
Quantity:
89
Part Number:
AT32UC3A3256S-U
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Table 7-31.
Table 7-32.
Note:
Table 7-33.
32072G–11/2011
Symbol
SMC
SMC
SMC
SMC
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
19
20
21
22
23
24
25
26
29
31
32
33
34
35
36
37
38
39
40
41
42
1. hold length = total cycle duration - setup duration - pulse duration. “hold length” is for “ncs wr hold length” or “nwe hold
length"
SMC Read Signals with no Hold Settings
SMC Write Signals with Hold Settings
SMC Write Signals with No Hold Settings (NWE Controlled only)
Parameter
Data Setup before NRD High
Data Hold after NRD High
Data Setup before NCS High
Data Hold after NCS High
Parameter
Data Out Valid before NWE High
Data Out Valid after NWE High
NWE High to NBS0/A0 Change
NWE High to NBS1 Change
NWE High to A1 Change
NWE High to A2 - A23 Change
NWE High to NCS Inactive
NWE Pulse Width
Data Out Valid before NCS High
Data Out Valid after NCS High
NCS High to NWE Inactive
Parameter
NWE Rising to A2-A25 Valid
NWE Rising to NBS0/A0 Valid
NWE Rising to NBS1 Change
NWE Rising to A1/NBS2 Change
NWE Rising to NBS3 Change
NWE Rising to NCS Rising
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
NRD Controlled (READ_MODE = 1)
NRD Controlled (READ_MODE = 0)
NRD Controlled (READ_MODE = 1)
NRD Controlled (READ_MODE = 0)
(nwe hold length - ncs wr hold length)* t
(ncs wr hold length - nwe hold length)* t
(ncs wr pulse length - 1)* t
(nwe pulse length - 1) * t
ncs wr hold length * t
nwe pulse length * t
nwe hold length * t
nwe hold length * t
nwe hold length * t
nwe hold length * t
nwe hold length * t
Min.
Min.
Min.
13.7
13.3
5.4
5.1
1
0
5
5
5
5
CPSMC
CPSMC
CPSMC
CPSMC
CPSMC
CPSMC
CPSMC
CPSMC
CPSMC
- 1.9
- 1.9
- 1.9
- 1.7
- 0.9
- 6
- 5.8
- 0.9
- 4.6
CPSMC
CPSMC
- 2.9
- 0.6
Unit
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
58