AT90LS4433-4PI Atmel, AT90LS4433-4PI Datasheet - Page 13

• Manufacturer Part Number: AT90LS4433-4PI
• Description: IC MCU 4K FLSH 4MHZ A/D LV 28DIP
• Manufacturer: Atmel
• Series: AVR® 90LSr

Specifications of AT90LS4433-4PI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 20
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 6 V
• Data Converters: A/D 6x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

I/O Direct
Data Direct
Data Indirect with
Displacement
1042H–AVR–04/03
Figure 12. I/O Direct Addressing
Operand address is contained in six bits of the instruction word. n is the destination or
source register address.
Figure 13. Direct Data Addressing
A 16-bit data address is contained in the 16 LSBs of a two-word instruction. Rd/Rr spec-
ify the destination or source register.
Figure 14. Data Indirect with Displacement
Operand address is the result of the Y- or Z-register contents added to the address con-
tained in six bits of the instruction word.
15
15
OP
31
15
Y OR Z - REGISTER
10
OP
n
16 LSBs
6
20 19
5
a
Rr/Rd
0
0
16
0
Data Space
Data Space
AT90S/LS4433
$0000
$00DF
$0000
$00DF
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