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

• Manufacturer Part Number: ATTINY28L-4AU
• Description: IC MCU AVR 2K FLASH 4MHZ 32-TQFP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY28L-4AU

• 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
• Processor Series: ATTINY2x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 32 B
• Maximum Clock Frequency: 4 MHz
• Number Of Programmable I/os: 11
• Number Of Timers: 1
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Package: 32TQFP
• Device Core: AVR
• Family Name: ATtiny
• Maximum Speed: 4 MHz
• Ram Size: 32 Byte
• Operating Supply Voltage: 3.3|5 V
• For Use With: ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Ram Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Details

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