AT32UC3C0256C Atmel Corporation, AT32UC3C0256C Datasheet - Page 1255
AT32UC3C0256C
Manufacturer Part Number
AT32UC3C0256C
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.AT32UC3C0128C.pdf
(1313 pages)
4.AT32UC3C0128C.pdf
(108 pages)
Specifications of AT32UC3C0256C
Flash (kbytes)
256 Kbytes
Pin Count
144
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
123
Ext Interrupts
144
Usb Transceiver
1
Quadrature Decoder Channels
2
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
7
Twi (i2c)
3
Uart
5
Can
2
Lin
5
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
4
Resistive Touch Screen
No
Dac Channels
4
Dac Resolution (bits)
12
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
68
Self Program Memory
YES
External Bus Interface
1
Dram Memory
sdram
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0 to 3.6 or 4.5 to 5.5
Operating Voltage (vcc)
3.0 to 3.6 or 4.5 to 5.5
Fpu
Yes
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
22
Input Capture Channels
12
Pwm Channels
20
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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Table 40-8.
Notes:
40.6.2
40.6.2.1
Table 40-9.
40.6.2.2
Table 40-10. 32 KHz Crystal Oscillator Characteristics
32117C–AVR-08/11
Symbol
f
C
t
Symbol
f
t
t
t
C
Symbol
f
t
C
C
OUT
STARTUP
CPXIN
CPXIN
CHXIN
CLXIN
OUT
STARTUP
i
IN
L
i
1. Please refer to the SCIF chapter for details.
32KHz Crystal Oscillator (OSC32K) Characteristics
Digital Clock Characteristics
Crystal Oscillator Characteristics
Crystal Oscillator Characteristics
Digital 32KHz Clock Characteristics
Parameter
Crystal oscillator frequency
Internal equivalent load capacitance
Startup time
Parameter
Crystal oscillator frequency
Startup time
Crystal load capacitance
Internal equivalent load
capacitance
Parameter
XIN32 clock frequency
XIN32 clock period
XIN32 clock high half-priod
XIN32 clock low half-priod
XIN32 input capacitance
The following table describes the characteristics for the oscillator when a digital clock is applied
on XIN32.
Figure 40-2
must choose a crystal oscillator where the crystal load capacitance
in the table. The exact value of
and the equation above also applies to the 32KHz oscillator connection. The user
Conditions
R
S
= 50 kOhm, C
Conditions
f
SCIF.OSCCTRL.GAIN = 1
f
SCIF.OSCCTRL.GAIN = 2
OUT
OUT
= 8MHz
= 16MHz
Conditions
C
L
can then be found in the crystal datasheet..
L
= 12.5pF
(1)
(1)
0.4 x t
0.4 x t
Min
200
CPXIN
CPXIN
Min
0.4
Min
6
32.768
Typ
2
1100
Typ
975
1.7
32 768
C
Typ
L
1.4
2
is within the range given
0.6 x t
0.6 x t
AT32UC3C
5000
Max
Max
CPXIN
CPXIN
20
Max
15
MHz
Unit
Units
pF
us
us
KHz
pF
ns
ns
ns
Unit
Hz
pF
pF
s
1255
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