ATTINY28L-4AI Atmel, ATTINY28L-4AI Datasheet - Page 12

• Manufacturer Part Number: ATTINY28L-4AI
• Description: IC AVR MCU 2KFLSH 4MHZ 3V 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY28L-4AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 11
• Program Memory Size: 2KB (1K x 16)
• Program Memory Type: FLASH
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP, 32-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Ram Size: -
• Data Converters: -
• Connectivity: -

I/O Direct
Relative Program Addressing,
RJMP and RCALL
Constant Addressing Using
the LPM Instruction
12
ATtiny28L/V
Operands are contained in register r (Rr) and d (Rd). The result is stored in register d
(Rd).
Figure 11. I/O Direct Addressing
Operand address is contained in six bits of the instruction word. n is the destination or
source register address.
Figure 12. Relative Program Memory Addressing
Program execution continues at address PC + k + 1. The relative address k is -2048 to
2047.
Figure 13. Code Memory Constant Addressing
15
15
OP
15
12 11
PC
Z-REGISTER
k
+1
0
0
1 0
PROGRAM MEMORY
PROGRAM MEMORY
$000
$3FF
1062F–AVR–07/06
$000
$3FF