AT89LP52-20PU Atmel, AT89LP52-20PU Datasheet - Page 96

• Manufacturer Part Number: AT89LP52-20PU
• Description: IC MCU 8051 8K FLASH SPI 40PDIP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP52-20PU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: Serial
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

18.4
The values shown in this table are valid for T
Figure 18-5. External Clock Drive Waveform
96
Clock Characteristics
AT89LP51/52 - Preliminary
Figure 18-4. Idle Supply Current vs. Frequency
3.0
2.5
2.0
1.5
1.0
0.5
0.0
6
5
4
3
2
1
0
0
0
A
= -40°C to 85°C and V
Idle Supply Current vs. Frequency
5
5
External Clock Source
Compatibility Mode
Frequency (MHz)
Frequency (MHz)
10
10
Fast Mode
DD
= 2.4 to 5.5V, unless otherwise noted.
15
15
20
20
25
25
3709B–MICRO–12/10
5.5V
5.0V
4.5V
3.6V
3.0V
2.4V
5.5V
5.0V
4.5V
3.6V
3.0V
2.4V