ATxmega32D4 Atmel Corporation, ATxmega32D4 Datasheet - Page 10
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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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega32D4-AU
Manufacturer:
Atmel
Quantity:
123
Part Number:
ATxmega32D4-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATxmega32D4-CU
Manufacturer:
Maxim
Quantity:
71
Company:
Part Number:
ATxmega32D4-MH
Manufacturer:
Atmel
Quantity:
1 910
Company:
Part Number:
ATxmega32D4-MH
Manufacturer:
Atmel
Quantity:
1 704
Part Number:
ATxmega32D4-MH
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
3.9.1
8210B–AVR–04/10
The X-, Y- and Z- Registers
Figure 3-4.
Most of the instructions operating on the Register File have direct access to all registers, and
most of them are single cycle instructions.
The Register File is located in a separate address space, so the registers are not accessible as
data memory.
The registers R26..R31 have added functions besides their general-purpose usage.
These registers can form 16-bit address pointers for addressing of the Data Memory. The three
address registers is called the X-, Y-, and Z-register. The Z-register can also be used as an
address pointer to read from and/or write to the Flash Program Memory, Signature Rows, Fuses
and Lock Bits.
Figure 3-5.
The lowest register address holds the least significant byte (LSB). In the different addressing
modes these address registers have functions as fixed displacement, automatic increment, and
automatic decrement (see the instruction set reference for details).
Bit (individually)
X-register
Bit (X-register)
Bit (individually)
Y-register
Bit (Y-register)
Bit (individually)
Z-register
Bit (Z-register)
AVR CPU General Purpose Working Registers
The X-, Y- and Z-registers
Registers
Purpose
General
Working
7
15
7
15
7
15
R27
R29
R31
XH
YH
ZH
7
R13
R14
R15
R16
R17
R26
R27
R28
R29
R30
R31
R0
R1
R2
…
…
0
0
8
0
8
0
8
7
7
7
7
7
7
Addr.
0x0D
0x0E
0x0F
0x1A
0x1B
0x1C
0x1D
0x1E
0x1F
0x00
0x01
0x02
0x10
0x11
X-register High Byte
Y-register High Byte
Z-register High Byte
X-register Low Byte
Y-register Low Byte
Z-register Low Byte
R26
R28
R30
XL
YL
ZL
XMEGA D
10
0
0
0
0
0
0