AT32UC3A4128 Atmel Corporation, AT32UC3A4128 Datasheet - Page 974

• Manufacturer Part Number: AT32UC3A4128
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A4128

• Flash (kbytes): 128 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
• 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: No
• 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

Table 35-35. SDRAM Clock Signal
32072G–11/2011
Symbol
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
13
14
15
16
17
18
19
20
23
24
25
26
Parameter
Bank Change before SDCK Rising Edge
Bank Change after SDCK Rising Edge
CAS Low before SDCK Rising Edge
CAS High after SDCK Rising Edge
DQM Change before SDCK Rising Edge
DQM Change after SDCK Rising Edge
D0-D15 in Setup before SDCK Rising Edge
D0-D15 in Hold after SDCK Rising Edge
SDWE Low before SDCK Rising Edge
SDWE High after SDCK Rising Edge
D0-D15 Out Valid before SDCK Rising Edge
D0-D15 Out Valid after SDCK Rising Edge
Conditions
Min.
6.3
2.4
7.4
1.9
6.4
2.2
7.6
1.8
7.1
1.5
9
0
Max.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
974