AT32UC3A3256-ALUR Atmel, AT32UC3A3256-ALUR Datasheet - Page 54

• 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 10-20. SMC Read Signals with no Hold Settings
Table 10-21. SMC Write Signals with Hold Settings
Note:
32072AS–AVR32–03/09
Symbol
SMC
SMC
SMC
SMC
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
19
20
21
22
23
24
25
26
29
31
32
33
34
35
36
1. hold length = total cycle duration - setup duration - pulse duration. “hold length” is for “ncs wr hold length” or “nwe hold
length"
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
(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
13.7
13.3
Min
Min
1
0
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
AT32UC3A3
- 2.9
- 0.6
Units
Units
ns
ns
ns
ns
54