AT90LS4433-4AC Atmel, AT90LS4433-4AC Datasheet - Page 83

• Manufacturer Part Number: AT90LS4433-4AC
• Description: IC MCU 4K 4MHZ A/D LV 32TQFP
• Manufacturer: Atmel
• Series: AVR® 90LSr

Specifications of AT90LS4433-4AC

• 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: 0°C ~ 70°C
• Package / Case: 32-TQFP, 32-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

1042H–AVR–04/03
Figure 58. Port D Schematic Diagram (Pin PD1)
Figure 59. Port D Schematic Diagram (Pins PD2 and PD3)
PD1
WP:
WD:
RL:
RP:
RD:
TXD:
TXEN:
MOS
PULL-
UP
WRITE PORTD
WRITE DDRD
READ PORTD LATCH
READ PORTD PIN
READ DDRD
UART TRANSMIT DATA
UART TRANSMIT ENABLE
RP
RL
AT90S/LS4433
Q
Q
PORTD1
RESET
RESET
DDD1
WD
WP
RD
R
C
R
C
D
D
TXEN
TXD
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