PCA8521BT 데이터 시트보기 (PDF) - Philips Electronics

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PCA8521BT

Infrared remote control transmitter RC5

Philips Electronics 

Philips Semiconductors

Infrared remote control transmitter RC5

Product specification

PCA8521

20-pin dual in-line and small outline package

SYMBOL

XTAL1

XTAL2

SN7

SN0

SN1

SN2

SN3

SN6

SN4

SN5

DR5

DR4

DR3

DR2

DR1

DR0

DR6

VSS

LOUT

VDD

PIN

DESCRIPTION

1 oscillator input

2 oscillator output

3 sense line 7 for key matrix

4 sense line 0 for key matrix

5 sense line 1 for key matrix

6 sense line 2 for key matrix

7 sense line 3 for key matrix

8 sense line 6 for key matrix

9 sense line 4 for key matrix

10 sense line 5 for key matrix

11 drive line 5 for key matrix

(active LOW)

12 drive line 4 for key matrix

(active LOW)

13 drive line 3 for key matrix

(active LOW)

14 drive line 2 for key matrix

(active LOW)

15 drive line 1 for key matrix

(active LOW)

16 drive line 0 for key matrix

(active LOW)

17 drive line 6 for key matrix

(active LOW)

18 ground

19 output signal (active LOW)

20 power supply

handbook, halfpage

XTAL1 1

XTAL2 2

SN7 3

SN0 4

20 VDD

19 LOUT

18 VSS

17 DR6

SN1 5

SN2 6

16 DR0

PCA8521

15 DR1

SN3 7

14 DR2

SN6 8

13 DR3

SN4 9

12 DR4

SN5 10

11 DR5

MBH033

Fig.3 Pin configuration (DIP/SO20).

1999 Jun 15

5

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