AT90LS4433-4PI Atmel, AT90LS4433-4PI Datasheet - Page 84

• 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

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AT90S/LS4433
Figure 60. Port D Schematic Diagram (Pins PD4 and PD5)
Figure 61. Port D Schematic Diagram (Pins PD6 and PD7)
PDn
PDn
PWRDN: POWER DOWN MODE
MOS
PULL-
UP
WD:
WP:
RP:
RD:
RL:
m:
n:
WP:
WD:
RL:
RP:
RD:
n:
WRITE PORTD
WRITE DDRD
READ PORTD LATCH
READ PORTD PIN
READ DDRD
6, 7
0, 1
WRITE PORTD
WRITE DDRD
READ PORTD LATCH
READ PORTD PIN
READ DDRD
4, 5
PWRDN
2
RL
RP
TO COMPARATOR
Q
Q
PORTDn
RESET
RESET
DDDn
PORTBn
WD
RD
WP
DDDn
C
C
D
D
AINm
1042H–AVR–04/03