AT89LP428-20MH Atmel, AT89LP428-20MH Datasheet - Page 131

• Manufacturer Part Number: AT89LP428-20MH
• Description: MCU 8051 4K FLASH SPI 32VQFN
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP428-20MH

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 30
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP
• Processor Series: AT89x
• Core: 8051
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89ISP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details

24.3.4
3654A–MICRO–8/09
Quasi-Bidirectional Input
Figure 24-7. Quasi-bidirectional Input Transition Current at 5V
Figure 24-8. Quasi-bidirectional Input Transition Current at 3V
-100
-150
-200
-100
-50
-20
-40
-60
-80
0
0
0.0
0.0
0.5
0.5
1.0
1.5
1.0
2.0
V
V
IL
IL
2.5
1.5
(V)
(V)
3.0
2.0
3.5
4.0
2.5
4.5
AT89LP428/828
5.0
3.0
85C
-40C
25C
85C
-40C
25C
131