ATxmega32D4 Atmel Corporation, ATxmega32D4 Datasheet - Page 138
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ATxmega32D4
Manufacturer Part Number
ATxmega32D4
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega32D4
Flash (kbytes)
32 Kbytes
Pin Count
44
Max. Operating Frequency
32 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
34
Ext Interrupts
34
Usb Speed
No
Usb Interface
No
Spi
4
Twi (i2c)
2
Uart
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
12
Adc Resolution (bits)
12
Adc Speed (ksps)
200
Analog Comparators
2
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
4
Eeprom (bytes)
1024
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
4
Output Compare Channels
14
Input Capture Channels
14
Pwm Channels
14
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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Company
Part Number
Manufacturer
Quantity
Price
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12.11.3
8210B–AVR–04/10
CTRLC - Control Register C
• Bit 3 – Reserved
This bit is unused and reserved for future use. For compatibility with future devices, always write
this bit to zero when this register is written.
• Bit 2:0 – WGMODE[2:0]: Waveform Generation Mode
These bits select the Waveform Generation Mode, and control the counting sequence of the
Counter, the TOP value, the UPDATE condition, the Interrupt/event condition, and type of wave-
form that is generated, according to
No waveform generation is performed in normal mode of operation. For all other modes the
result from the waveform generator will only be directed to the port pins if the corresponding
CCxEN bit has been set to enable this. The port pin direction must be set as output.
Table 12-3.
• Bit 7:4 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always
write these bits to zero when this register is written.
• Bit 3:0 – CMPx: Compare Output Value n
These bits allow direct access to the Waveform Generator's output compare value when the
Timer/Counter is set in “OFF” state. This is used to set or clear the WG output value when the
Timer/Counter is not running.
Bit
+0x02
Read/Write
Initial Value
WGMODE[2:0]
000
001
010
011
100
101
110
111
Timer Waveform Generation Mode
R
7
–
0
Configuration
NORMAL
DS_TB
Group
DS_B
R
DS_T
6
–
0
FRQ
SS
R
5
–
0
Table 12-3 on page
Mode of
operation
Normal
FRQ
Reserved
Single Slope
PWM
Reserved
Dual Slope PWM
Dual Slope PWM
Dual Slope PWM
R
4
–
0
CMPD
R/W
3
0
138.
Top
PER
CCA
-
PER
-
PER
PER
PER
CMPC
R/W
2
0
Update
TOP
TOP
-
BOTTOM
-
BOTTOM
BOTTOM
BOTTOM
CMPB
R/W
1
0
OVFIF/Event
TOP
TOP
-
BOTTOM
-
TOP
TOP and BOTTOM
BOTTOM
XMEGA D
CMPA
R/W
0
0
CTRLC
138