ATtiny28L Atmel Corporation, ATtiny28L Datasheet - Page 11

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ATtiny28L

Manufacturer Part Number
ATtiny28L
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATtiny28L

Flash (kbytes)
2 Kbytes
Pin Count
28
Max. Operating Frequency
4 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
11
Ext Interrupts
10
Usb Speed
No
Usb Interface
No
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
0.03
Self Program Memory
NO
Dram Memory
No
Nand Interface
No
Picopower
No
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
1
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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Program and Data
Addressing Modes
Register Direct, Single
Register Rd
Register Indirect
Register Direct, Two Registers
Rd and Rr
1062F–AVR–07/06
The ATtiny28 AVR RISC microcontroller supports powerful and efficient addressing
modes. This section describes the different addressing modes supported in the
ATtiny28. In the figures, OP means the operation code part of the instruction word. To
simplify, not all figures show the exact location of the addressing bits.
Figure 8. Direct Single Register Addressing
The operand is contained in register d (Rd).
The register accessed is the one pointed to by the Z-register (R31, R30).
Figure 10. Direct Register Addressing, Two Registers
Figure 9. Indirect Register Addressing
REGISTERFILE
Z-Register
0
30
31
ATtiny28L/V
11

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