AT32UC3A3256-ALUR Atmel, AT32UC3A3256-ALUR Datasheet - Page 55

• Manufacturer Part Number: AT32UC3A3256-ALUR
• Description: IC MCU 256KB FLASH 144LQFP
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3A3256-ALUR

• Package / Case: 144-LQFP
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 66MHz
• Number Of I /o: 110
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 128K x 8
• Program Memory Size: 256KB (256K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, DMA, POR, WDT
• Connectivity: EBI/EMI, I²C, IrDA, MMC, SPI, SSC, UART/USART, USB OTG
• Core Size: 32-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Table 10-22. SMC Write Signals with No Hold Settings (NWE Controlled only).
Figure 10-2. SMC Signals for NCS Controlled Accesses.
32072AS–AVR32–03/09
A0/A1/NBS[3:0]
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
D0 - D15
37
38
39
40
41
42
43
44
45
A2-A25
NWE
NRD
NCS
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
Data Out Valid before NWE Rising
Data Out Valid after NWE Rising
NWE Pulse Width
SMC18
SMC21
SMC16
SMC12
SMC13
SMC14
SMC15
SMC17
SMC22
SMC18
SMC10
(nwe pulse length - 1) * t
SMC11
nwe pulse length * t
SMC17
SMC16
SMC12
SMC13
SMC14
SMC15
Min
5.4
5.1
5
5
5
5
5
CPSMC
CPSMC
- 0.9
SMC18
- 1.2
SMC34
AT32UC3A3
SMC36
SMC35
SMC16
SMC12
SMC13
SMC14
SMC15
Units
ns
55