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PCA8521FT Datasheet(PDF) 5 Page - NXP Semiconductors |
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PCA8521FT Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 20 page 1999 Jun 15 5 Philips Semiconductors Product specification Infrared remote control transmitter RC5 PCA8521 20-pin dual in-line and small outline package SYMBOL PIN DESCRIPTION XTAL1 1 oscillator input XTAL2 2 oscillator output SN7 3 sense line 7 for key matrix SN0 4 sense line 0 for key matrix SN1 5 sense line 1 for key matrix SN2 6 sense line 2 for key matrix SN3 7 sense line 3 for key matrix SN6 8 sense line 6 for key matrix SN4 9 sense line 4 for key matrix SN5 10 sense line 5 for key matrix DR5 11 drive line 5 for key matrix (active LOW) DR4 12 drive line 4 for key matrix (active LOW) DR3 13 drive line 3 for key matrix (active LOW) DR2 14 drive line 2 for key matrix (active LOW) DR1 15 drive line 1 for key matrix (active LOW) DR0 16 drive line 0 for key matrix (active LOW) DR6 17 drive line 6 for key matrix (active LOW) VSS 18 ground LOUT 19 output signal (active LOW) VDD 20 power supply Fig.3 Pin configuration (DIP/SO20). handbook, halfpage PCA8521 MBH033 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 XTAL1 XTAL2 SN7 SN0 SN1 SN2 SN3 SN6 SN4 SN5 VDD LOUT VSS DR6 DR0 DR1 DR2 DR3 DR4 DR5 |
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