AT32UC3C164C Atmel Corporation, AT32UC3C164C Datasheet - Page 457
AT32UC3C164C
Manufacturer Part Number
AT32UC3C164C
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 AT32UC3C164C
Flash (kbytes)
64 Kbytes
Pin Count
100
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
81
Ext Interrupts
100
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)
20
Self Program Memory
YES
Dram Memory
No
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
19
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
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ATMEL
Quantity:
1 240
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23.6.2
23.6.2.1
23.6.2.2
23.6.2.3
32117C–AVR-08/11
Advanced Operation
Peripheral I/O Pin Control
Pull-up Resistor, Pull-down Resistor Control
Output Pin Timings
When a GPIO pin is assigned to a peripheral function, i.e. the corresponding bit in GPER is zero,
output and output enable is controlled by the selected peripheral pin. In addition the peripheral
may control some or all of the other GPIO pin functions listed in
ports those features. All pin features not controlled by the selected peripheral is controlled by the
GPIO.
Refer to the Module Configuration section for details regarding implemented GPIO pin functions
and to the Peripheral chapter for details regarding I/O pin function control.
Table 23-1.
Pull-up and pull-down can be configured for each GPIO pin. Pull-up allows the pin and any con-
nected net to be pulled up to VDD if the net is not driven. Pull-down pulls the net to GND.
Pull-up and pull-down are useful for detecting if a pin is unconnected or if a mechanical button is
pressed, for various communication protocols and to keep unconnected pins from floating.
Pull-up can be enabled and disabled by writing a one and a zero respectively to the correspond-
ing bit in the Pull-up Enable Register (PUER). Pull-down can be enabled and disabled by writing
a one and a zero respectively to the corresponding bit in the Pull-down Enable Register (PDER).
Figure 23-3
The same timing applies when performing a ‘set’ or ‘clear’ access, i.e. writing to OVRS or
OVRC. The timing of PVR is also shown.
Figure 23-3. Output Pin Timings
Function name
Output
Output enable
Pull-up
Pull-down
Drive strength
Write OVR to 1
Write OVR to 0
OVR / I/O Line
CLK_GPIO
PVR
shows the timing of the GPIO pin when writing to the Output Value Register (OVR).
I/O Pin function Control
GPIO mode
OVR
ODER
PUER
PDER
ODCRn
PB Access
Peripheral mode
Peripheral
Peripheral
Peripheral if supported, else GPIO
Peripheral if supported, else GPIO
Peripheral if supported, else GPIO
PB Access
Table
23-1, if the peripheral sup-
AT32UC3C
457
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