AT89LP51RB2 datasheet(3/254 Pages) ATMEL

3 / 254 page

3722A–MICRO–10/11

AT89LP51RB2/RC2/IC2 Preliminary

1.3

44-pad VQFN/QFN/MLF

1.4

40-pin PDIP

Note:

1. The AT89LP51IC2 is not available in the PDIP package

Bottom pad

should be

soldered to ground

NOTE:

† SPI in remap mode

‡ AT89LP51ID2 Only

(†MOSI/CEX2/MISO) P1.5

(†MISO/CEX3/SCK) P1.6

(†SCK/CEX4/MOSI) P1.7

(DCL) RST

(RXD) P3.0

(SDA) P4.1

(TXD) P3.1

(INT0) P3.2

(INT1) P3.3

(T0) P3.4

(T1) P3.5

P0.4 (AD4)

P0.5 (AD5)

P0.6 (AD6)

P0.7 (AD7)

POL

P4.0 (SCL)

P4.4 (ALE)

P4.5 (PSEN)

P2.7 (A15/AIN3)

P2.6 (A14/AIN2)

P2.5 (A13/AIN1)

(T2) P1.0

(SS/T2EX) P1.1

(ECI) P1.2

(CEX0) P1.3

(†SS/CEX1) P1.4

(†MOSI/CEX2/MISO) P1.5

(†MISO/CEX3/SCL) P1.6

(†SCK/CEX4/MOSI) P1.7

RST

(RXD) P3.0

(TXD) P3.1

(INT0) P3.2

(INT1) P3.3

(T0) P3.4

(T1) P3.5

(WR) P3.6

(RD) P3.7

(XTAL2A) P4.7

(XTAL1A) P4.6

GND

VDD

P0.0 (AD0)

P0.1 (AD1)

P0.2 (AD2)

P0.3 (AD3)

P0.4 (AD4)

P0.5 (AD5)

P0.6 (AD6)

P0.7 (AD7)

POL

P4.4 (ALE)

P4.5 (PSEN)

P2.7 (A15/AIN3)

P2.6 (A14/AIN2)

P2.5 (A13/AIN1)

P2.4 (A12/AIN0)

P2.3 (A11/DAC+)

P2.2 (A10/DAC-)

P2.1 (A9)

P2.0 (A8)

†SPI in remap mode

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