AT89LP214-20PU Atmel, AT89LP214-20PU Datasheet - Page 80

• Manufacturer Part Number: AT89LP214-20PU
• Description: MCU 8051 2K FLASH 20MHZ 14-PDIP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP214-20PU

• 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: 12
• 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: 14-DIP (0.300", 7.62mm)
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: SPI/UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Operating Supply Voltage: 2.4 V to 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: Lead free / RoHS Compliant

24.3.3
Table 24-1.
Note:
80
Symbol
Δf
f
IRC
IRC
The data in this table was characterized on factory calibrated devices. It is not tested during manufacturing and is provided for
reference only. Devices may need to be recalibrated to target different operating conditions than the single-point factory
calibration.
AT89LP213/214
Internal Oscillator Frequency
Typical Internal Oscillator Behavior
Parameter
(MAX–MIN) / (MAX+MIN)
(Calibrated at 25°C; 5V)
Relative Frequency Error
Frequency
Figure 24-5. Internal Oscillator Frequency vs. VCC
8.4
8.3
8.2
8.1
8.0
7.9
7.8
7.7
2.0
2.5
Condition
T
T
T
T
T
T
T
T
T
T
T
T
A
A
A
A
A
A
A
A
A
A
A
A
Internal Oscillator Frequency vs. VCC
= -40–85°C; V
= -40–85°C; V
= -40–85°C; V
= 0–70°C; V
= 0–70°C; V
= 0–70°C; V
= -40–85°C; V
= -40–85°C; V
= -40–85°C; V
= 0–70°C; V
= 0–70°C; V
= 0–70°C; V
3.0
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
= 2.4–5.5V
= 4.5–5.5V
= 2.4–3.6V
= 2.4–5.5V
= 4.5–5.5V
= 2.4–3.6V
3.5
VCC (V)
= 2.4–5.5V
= 4.5–5.5V
= 2.4–3.6V
= 2.4–5.5V
= 4.5–5.5V
= 2.4–3.6V
4.0
4.5
5.0
Min
7.8
7.8
8.0
7.8
7.8
8.0
5.5
Max
8.4
8.2
8.4
8.3
8.1
8.3
±4
±3
±3
±3
±2
±2
3538E–MICRO–11/10
-40C
0C
25C
70C
85C
Units
MHz
MHz
MHz
MHz
MHz
MHz
%
%
%
%
%
%