AT90LS2333-4AI Atmel, AT90LS2333-4AI Datasheet - Page 63

• Manufacturer Part Number: AT90LS2333-4AI
• Description: IC MCU 2K 4MHZ A/D LV IT 32TQFP
• Manufacturer: Atmel
• Series: AVR® 90LSr

Specifications of AT90LS2333-4AI

• 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: 2KB (1K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 6 V
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP, 32-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 54. Port B Schematic Diagram (Pin PB4)
Figure 55. Port B Schematic Diagram (Pin PB5)
PB4
PB5
WP:
WD:
RL:
RP:
RD:
SPE:
MSTR
WP:
WD:
RL:
RP:
RD:
SPE:
MSTR
MOS
PULL-
UP
MOS
PULL-
UP
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
SPI ENABLE
MASTER SELECT
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
SPI ENABLE
MASTER SELECT
AT90S/LS2333 and AT90S/LS4433
RL
RP
RL
RP
Q
Q
Q
PORTB4
Q
PORTB5
RESET
RESET
RESET
RESET
DDB4
DDB5
RD
WD
WP
WD
RD
WP
R
C
R
C
R
C
R
C
D
D
D
D
MSTR
SPE
SPI SLAVE
OUT
SPI MASTER
IN
MSTR
SPE
SPI CLOCK
OUT
SPI CLOCK
IN
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