AT32UC3B1256-AUR Atmel, AT32UC3B1256-AUR Datasheet - Page 636

• Manufacturer Part Number: AT32UC3B1256-AUR
• Description: MCU AVR32 256K FLASH 48-TQFP
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3B1256-AUR

• Package / Case: 48-TQFP, 48-VQFP
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 60MHz
• Number Of I /o: 28
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Program Memory Size: 256KB (256K x 8)
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Connectivity: I²C, IrDA, SPI, SSC, UART/USART, USB
• Core Size: 32-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

28.11 Flash Memory Characteristics
Table 28-27. Flash Operating Frequency
Table 28-28. Programming TIme
Table 28-29. Flash Parameters
32059J–12/2010
Symbol
F
Symbol
T
T
T
Symbol
N
N
T
FOP
FPP
FFP
FCE
FDR
FARRAY
FFUSE
Parameter
Flash Operating Frequency
Parameter
Page Programming Time
Fuse Programming Time
Chip Erase Time
Parameter
Flash Array Write/Erase cycle
General Purpose Fuses write cycle
Flash Data Retention Time
The following table gives the device maximum operating frequency depending on the field FWS
of the Flash FSR register. This field defines the number of wait states required to access the
Flash Memory. Flash operating frequency equals the CPU/HSB frequency.
Conditions
FWS = 0
FWS = 1
Conditions
Conditions
Min.
Min.
Min.
Typ.
Typ.
Typ.
0.5
15
4
4
AT32UC3B
100K
Max.
Max.
Max.
10K
33
60
Cycle
Cycle
MHz
MHz
Unit
Unit
Unit
Year
ms
ms
ms
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