ATxmega16D4 Atmel Corporation, ATxmega16D4 Datasheet - Page 28
![no-image](/images/manufacturer_photos/0/0/79/atmel_corporation_sml.jpg)
ATxmega16D4
Manufacturer Part Number
ATxmega16D4
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega16D4
Flash (kbytes)
16 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)
2
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega16D4-AU
Manufacturer:
Atmel
Quantity:
438
Part Number:
ATxmega16D4-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATxmega16D4-MH
Manufacturer:
Atmel
Quantity:
1 605
Company:
Part Number:
ATxmega16D4-MHR
Manufacturer:
SANYO
Quantity:
50
Part Number:
ATxmega16D4-MHR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
4.13
4.13.1
4.13.2
8210B–AVR–04/10
Register Description – Fuses and Lockbit
FUSEBYTE1 - Non-Volatile Memory Fuse Byte1 - Watchdog Configuration
FUSEBYTE2 - Non-Volatile Memory Fuse Byte2 - Reset Configuration
• Bit 7:4 - WDWPER[3:0]: Watchdog Window Timeout Period
The WDWPER fuse bits are used to set initial value of the closed window for the Watchdog
Timer in Window Mode. During reset these fuse bits are automatically written to the WPER bits
Watchdog Window Mode Control Register, refer to
Control Register” on page 120
• BIT 3:0 - WDPER[3:0]: Watchdog Timeout Period
The WDPER fuse bits are used to set initial value of the Watchdog Timeout Period. During reset
these fuse bits are automatically written to the PER bits in the Watchdog Control Register, refer
to
• Bit 7 - Reserved
This fuse bit is reserved. For compatibility with future devices, always write this bit to one when
this register is written.
• Bit 6 - BOOTRST: Boot Loader Section Reset Vector
The BOOTRST fuse can be programmed so the Reset Vector is pointing to the first address in
the Boot Loader Flash Section. In this case, the device will start executing from the from Boot
Loader Flash Section after reset.
Table 4-1.
• Bit 5:2 - Reserved
These fuse bits are reserved. For compatibility with future devices, always write these bits to one
when this register is written.
Bit
+0x02
Read/Write
Initial Value
Bit
+0x01
Read/Write
Initial Value
Section 11.7.1 ”CTRL – Watchdog Timer Control Register” on page 119
BOOTRST
0
1
Boot Reset Fuse
R/W
Reset Address
Reset Vector = Boot Loader Reset
Reset Vector = Application Reset (address 0x0000)
7
0
R
7
–
1
R/W
WDWPER[3:0]
6
0
BOOTRST
R/W
6
1
for details.
R/W
5
0
R
5
–
1
R/W
4
0
R
4
–
1
R/W
3
0
Section 11.7.2 ”WINCTRL – Window Mode
R
3
–
1
R/W
2
0
WDPER[3:0]
R
2
–
1
R/W
1
0
R/W
1
1
BODPD[1:0]
R/W
for details.
0
0
XMEGA D
R/W
0
1
FUSEBYTE1
FUSEBYTE2
28