AT89LP428-20AU Atmel, AT89LP428-20AU Datasheet - Page 130
AT89LP428-20AU
Manufacturer Part Number
AT89LP428-20AU
Description
MCU 8051 4K FLASH SPI 32TQFP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP428-20AU.pdf
(149 pages)
Specifications of AT89LP428-20AU
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, 32-VQFP
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89LP428-20AU
Manufacturer:
RFMD
Quantity:
1 240
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24.3.3
130
AT89LP428/828
Crystal Oscillator
Figure 24-5. Quartz Crystal Input at 5V
Figure 24-6. Ceramic Resonator Input at 5V
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
0
0
Oscillator Amplitude vs. Frequency
Oscillator Amplitude vs. Frequency
Ceramic Resonator with R1 = 4MΩ
5
5
Quartz Crystal with R1 = 4MΩ
Frequency (MHz)
Frequency (MHz)
10
10
15
15
20
20
25
25
C2=10pF
C2=5pF
C2=0pF
C2=10pF
C2=5pF
C2=0pF
3654A–MICRO–8/09
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