ATxmega128D4 Atmel Corporation, ATxmega128D4 Datasheet - Page 87
ATxmega128D4
Manufacturer Part Number
ATxmega128D4
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega128D4
Flash (kbytes)
128 Kbytes
Pin Count
44
Max. Operating Frequency
32 MHz
Cpu
8-bit AVR
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)
8
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
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
Part Number:
ATxmega128D4-CU
Manufacturer:
MICROCH
Quantity:
20 000
Company:
Part Number:
ATxmega128D4-MH
Manufacturer:
SIRENZA
Quantity:
7 600
Company:
Part Number:
ATxmega128D4-U
Manufacturer:
ATMEL
Quantity:
1
Part Number:
ATxmega128D4-U
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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8.5
8.5.1
8.5.2
8210B–AVR–04/10
Register Description
STATUS - Reset Status Register
CTRL - Reset Control Register
• Bit 7:6 - Reserved
These bits are reserved and will always be read as zero. For compatibility with future devices,
always write these bits to zero when this register is written.
• Bit 5 - SRF: Software Reset Flag
This flag is set if a Software reset occurs. The flag will be cleared by a power-on reset or by writ-
ing a one to the bit location.
• Bit 4 - PDIRF: Program and Debug Interface Reset Flag
This flag is set if a Programming interface reset occurs. The flag will be cleared by a power-on
reset or by writing a one to the bit location.
• Bit 3 - WDRF: Watchdog Reset Flag
This flag is set if a Watchdog reset occurs. The flag will be cleared by a power-on reset or by
writing a one to the bit location.
• Bit 2 - BORF: Brown Out Reset Flag
This flag is set if a Brown out reset occurs. The flag will be cleared by a power-on reset or by
writing a one to the bit location.
• Bit 1 - EXTRF: External Reset Flag
This flag is set if an External reset occurs. The flag will be cleared by a power-on reset or by writ-
ing a one to the bit location.
• Bit 0 - PORF: Power On Reset Flag
This flag is set if a Power-on reset occurs. Writing a one to the flag will clear the bit location.
• Bit 7:1 - 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
+0x01
Read/Write
Initial Value
Bit
+0x00
Read/Write
Initial Value
R
7
–
0
R
7
–
–
R
6
–
0
6
–
R
–
SRF
R/W
R
5
–
0
5
–
PDIRF
R/W
R
4
–
0
4
–
WDRF
R/W
R
3
–
0
3
–
BORF
R/W
R
2
–
0
2
–
EXTRF
R/W
1
–
R
0
1
–
XMEGA D
SWRST
PORF
R/W
R/W
0
0
0
–
STATUS
CTRL
87
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