AT89LP52-20JU Atmel, AT89LP52-20JU Datasheet - Page 94

• Manufacturer Part Number: AT89LP52-20JU
• Description: IC MCU 8051 8K FLASH SPI 44PLCC
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP52-20JU

• 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: 44-LCC (J-Lead)
• 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: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

94
AT89LP51/52 - Preliminary
Figure 18-2. Idle Supply Current vs. Vcc (1.8432 MHz Internal Oscillator)
Note:
All characteristics contained in this datasheet are based on simulation and characterization of
other microcontrollers manufactured in the same process technology. These values are prelimi-
nary values representing design targets, and will be updated after characterization of actual
silicon.
0.75
0.50
0.25
0.00
0.75
0.50
0.25
0.00
2.0
2.0
2.5
2.5
1.8432 MHz Internal Oscillator
Idle Supply Current vs. Vcc
3.0
3.0
Compatibility Mode
Fast Mode
3.5
3.5
Vcc (V)
Vcc (V)
4.0
4.0
4.5
4.5
5.0
5.0
5.5
5.5
3709B–MICRO–12/10
85C
-40C
25C
85C
-40C
25C