AT90LS4433-4AC Atmel, AT90LS4433-4AC Datasheet - Page 79

• 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

Port C Schematics
1042H–AVR–04/03
Note that all port pins are synchronized. The synchronization latch is, however, not
shown in the figure.
Figure 56. Port C Schematic Diagrams (Pins PC0 - PC5)
PCn
PWRDN: POWER DOWN MODE
MOS
PULL-
UP
WP:
WD:
RL:
RP:
RD:
n:
WRITE PORTC
WRITE DDRC
READ PORTC LATCH
READ PORTC PIN
READ DDRC
0 - 5
PWRDN
RL
RP
TO ADC MUX
Q
Q
AT90S/LS4433
PORTCn
RESET
RESET
DDCn
WD
RD
WP
C
C
D
D
ADCn
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