ATmega165P Atmel Corporation, ATmega165P Datasheet - Page 16
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ATmega165P
Manufacturer Part Number
ATmega165P
Description
Manufacturer
Atmel Corporation
Specifications of ATmega165P
Flash (kbytes)
16 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
54
Ext Interrupts
17
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
1
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATmega165PV-8AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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5.7.1
8019K–AVR–11/10
The X-register, Y-register, and Z-register
The registers R26..R31 have some added functions to their general purpose usage. These reg-
isters are 16-bit address pointers for indirect addressing of the data space. The three indirect
address registers X, Y, and Z are defined as described in
Figure 5-5.
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).
X-register
Y-register
Z-register
The X-, Y-, and Z-registers
15
7
R29 (0x1D)
15
7
R27 (0x1B)
15
7
R31 (0x1F)
YH
XH
ZH
0
0
0
Figure
7
R28 (0x1C)
7
R26 (0x1A)
7
R30 (0x1E)
5-5.
ATmega165P
YL
XL
ZL
0
16
0
0
0
0
0
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