AT89LP216-20PU Atmel, AT89LP216-20PU Datasheet - Page 83

• Manufacturer Part Number: AT89LP216-20PU
• Description: MCU 8051 2K FLASH 20MHZ 16-PDIP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP216-20PU

• 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: 14
• Program Memory Size: 2KB (2K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-DIP (0.300", 7.62mm)
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: UART, SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 14
• Number Of Timers: 2
• Operating Supply Voltage: 2.4 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89ISP
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

25.4
Figure 25-12. External Clock Drive Waveform
Table 25-2.
Table 25-3.
3621E–MICRO–11/10
Symbol
1/t
t
t
t
t
t
Symbol
f
f
CLCL
CHCX
CLCX
CLCH
CHCL
XTAL
IRC
CLCL
Clock Characteristics
External Clock Parameters
Clock Characteristics
Parameter
Oscillator Frequency
Clock Period
External Clock High Time
External Clock Low Time
External Clock Rise Time
External Clock Fall Time
Parameter
Crystal Oscillator Frequency
Internal Oscillator Frequency
Condition
T
V
A
CC
= 25°C; V
= 2.4V to 5.5V
CC
= 5.0V
7.92
7.70
Min
Min
50
12
12
0
0
AT89LP216
Max
Max
8.08
8.50
20
20
5
5
Units
Units
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
83