AT32UC3A3256 Atmel Corporation, AT32UC3A3256 Datasheet - Page 965

• Manufacturer Part Number: AT32UC3A3256
• Manufacturer: Atmel Corporation

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

35.8
The following characteristics are applicable to the operating temperature range: T
power supply, unless otherwise specified.
35.8.1
Table 35-17. RC Oscillator Frequency
35.8.2
Table 35-18. 32 KHz Oscillator Characteristics
Note:
32072G–11/2011
Symbol
F
Symbol
1/(t
C
ESR
t
t
t
C
I
ST
CH
CL
OSC
RC
L
IN
CP32KHz
Oscillator Characteristics
1. C
Slow Clock RC Oscillator
32 KHz Oscillator
)
L
is the equivalent load capacitance.
Parameter
RC Oscillator Frequency
Parameter
Oscillator Frequency
Equivalent Load Capacitance
Crystal Equivalent Series Resistance
Startup Time
XIN32 Clock High Half-period
XIN32 Clock Low Half-period
XIN32 Input Capacitance
Current Consumption
Conditions
Calibration point: T
T
T
Conditions
External clock on XIN32
Crystal
C
C
Active mode
Standby mode
A
A
L
L
= 25°C
= -40°C
= 6pF
= 12.5pF
(1)
(1)
A
= 85°C
A
= -40°C to 85°C and worst case of
0.4 t
0.4 t
Min.
Min.
105
6
CP
CP
32 768
115.2
Typ.
Typ.
112
108
0.6 t
0.6 t
Max.
Max.
1200
12.5
100
600
116
1.8
0.1
30
5
CP
CP
MHz
Unit
Unit
KHz
KHz
KHz
K Ω
ms
µA
Hz
pF
pF
µA
965