AT89LP51RB2-20AAU
Microchip TechnologyExtended
10bit 2.4V~5.5V 20MHz 24KB 40 51 Family TQFP-44(10x10) Microcontrollers (MCU/MPU/SOC) ROHS
- Part id
- microchip/AT89LP51RB2-20AAU
- Category
- Microcontrollers (MCU, MPU, SOC)
- Package
- TQFP-44(10x10)
- Pins
- 44
- In stock
- 0 at JLCPCB (C612788)
Overview
The AT89LP51RB2-20AAU is a microcontroller made by Microchip Technology in a TQFP-44(10x10) package with 44 pins. 10bit 2.4V~5.5V 20MHz 24KB 40 51 Family TQFP-44(10x10) Microcontrollers (MCU/MPU/SOC) ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AT89LP51RB2-20AU, from EasyEDA) and its footprint (Package_QFP:TQFP-44_10x10mm_P0.8mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C612788).
Symbol
Footprint
Pinout
44| Pin | Name | Type |
|---|---|---|
| 1 | (†MOSI/CEX2/MISO)P1.5 | Unspecified |
| 2 | (†MISO/CEX3/SCK)P1.6 | Unspecified |
| 3 | (†SCK/CEX4/MOSI)P1.7 | Unspecified |
| 4 | (DCL)RST | Unspecified |
| 5 | (RXD)P3.0 | Unspecified |
| 6 | (SDA)P4.1 | Unspecified |
| 7 | (TXD)P3.1 | Unspecified |
| 8 | (INT0#)P3.2 | Unspecified |
| 9 | (INT1#)P3.3 | Unspecified |
| 10 | (T0)P3.4 | Unspecified |
| 11 | (T1)P3.5 | Unspecified |
| 12 | (WR#)P3.6 | Unspecified |
| 13 | (RD#)P3.7 | Unspecified |
| 14 | (XTAL2A)P4.7 | Unspecified |
| 15 | (XTAL1A)P4.6 | Unspecified |
| 16 | VSS | Unspecified |
| 17 | (DDA)P4.3 | Unspecified |
| 18 | (A8)P2.0 | Unspecified |
| 19 | (A9)P2.1 | Unspecified |
| 20 | (DAC-/A10)P2.2 | Unspecified |
| 21 | (DAC+/A11)P2.3 | Unspecified |
| 22 | (AIN0/A12)P2.4 | Unspecified |
| 23 | P2.5(A13/AIN1) | Unspecified |
| 24 | P2.6(A14/AIN2) | Unspecified |
| 25 | P2.7(A15/AIN3) | Unspecified |
| 26 | P4.5(PSEN#) | Unspecified |
| 27 | P4.4(ALE) | Unspecified |
| 28 | P4.0(SCL) | Unspecified |
| 29 | POL | Unspecified |
| 30 | P0.7(AD7) | Unspecified |
| 31 | P0.6(AD6) | Unspecified |
| 32 | P0.5(AD5) | Unspecified |
| 33 | P0.4(AD4) | Unspecified |
| 34 | P0.3(AD3) | Unspecified |
| 35 | P0.2(AD2) | Unspecified |
| 36 | P0.1(AD1) | Unspecified |
| 37 | P0.0(AD0) | Unspecified |
| 38 | VCC | Unspecified |
| 39 | P4.2(XTAL2B‡) | Unspecified |
| 40 | P1.0(T2/XTAL1B‡) | Unspecified |
| 41 | P1.1(T2EX/SS#) | Unspecified |
| 42 | P1.2(ECI) | Unspecified |
| 43 | P1.3(CEX0) | Unspecified |
| 44 | P1.4(CEX1/SS†#) | Unspecified |
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Questions
Is there a KiCad symbol and footprint for the AT89LP51RB2-20AAU?
Yes. The symbol is EasyEDA_Cloud:AT89LP51RB2-20AU and the footprint Package_QFP:TQFP-44_10x10mm_P0.8mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the AT89LP51RB2-20AAU?
TQFP-44(10x10), with 44 pins. Its footprint is drawn on this page.
Where is the AT89LP51RB2-20AAU datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the AT89LP51RB2-20AAU?
JLCPCB lists it as part C612788, with 0 in stock; the sellers' links on this page open their listings.
What can replace the AT89LP51RB2-20AAU?
Parts like it in the library: the STC89C52RC-40I by STC, the PIC16F1939-I/PT by Microchip Technology, the STC8A8K64D4-45I-LQFP44 by STC Micro and the PIC16F1937-I/PT by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.