ATxmega192D3 Atmel Corporation, ATxmega192D3 Datasheet - Page 106
ATxmega192D3
Manufacturer Part Number
ATxmega192D3
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega192D3
Flash (kbytes)
192 Kbytes
Pin Count
64
Max. Operating Frequency
32 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
50
Ext Interrupts
50
Usb Speed
No
Usb Interface
No
Spi
5
Twi (i2c)
2
Uart
3
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
200
Analog Comparators
2
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
16
Eeprom (bytes)
2048
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.6 to 3.6
Operating Voltage (vcc)
1.6 to 3.6
Fpu
No
Mpu / Mmu
no / no
Timers
5
Output Compare Channels
18
Input Capture Channels
18
Pwm Channels
18
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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Price
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11.6
8210B–AVR–04/10
Input Sense Configuration
Figure 11-8. Synchronization when reading an externally applied pin value.
Input sensing is used to detect an edge or level on the I/O pin input. The different sense configu-
rations that are available for each pin are detection of rising edge, falling edge or both edges, or
detection of low level. High level can be detected by using inverted input. Input sensing can be
used to trigger interrupt requests (IREQ) or s when there is a change on the pin.
The I/O pins support synchronous and asynchronous input sensing. Synchronous sensing
requires presence of the peripheral clock, while asynchronous sensing does not require any
clock.
Figure 11-9. Input sensing.
INVERTED I/O
Pn
PERIPHERAL CLK
SYNC FLIPFLOP
INSTRUCTIONS
r17
IN
Synchronizer
INn
D
R
Q
xxx
D
R
Q
Asynchronous sensing
Synchronous sensing
xxx
DETECT
DETECT
EDGE
EDGE
t
0x00
pd, max
t
pd, min
lds r17, PORTx+IN
XMEGA D
Interrupt
Control
0xFF
IREQ
Event
106
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