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P83C661X2BBD Datasheet(PDF) 6 Page - NXP Semiconductors |
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P83C661X2BBD Datasheet(HTML) 6 Page - NXP Semiconductors |
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6 / 102 page  Philips Semiconductors Product data P8xC660X2/661X2 80C51 8-bit microcontroller family 16 KB OTP/ROM, 512B RAM, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz), two 400KB I2C interfaces 2003 Oct 02 6 LOGIC SYMBOL ADDRESS AND DATA BUS ADDRESS BUS T2 T2EX RxD TxD INT0 INT1 CEX3/T0 CEX4/T1 WR RD RST EA/VPP PSEN ALE/PROG VSS VCC XTAL1 XTAL2 SU01736 CEX0 CEX1 CEX2 SCL0 SDA0 SCL1 SDA1 PINNING Plastic Leaded Chip Carrier P8xC660X2/661X2 61 40 7 17 39 29 18 28 Pin Function 1 NIC1 (8xC660)/ SDA13 (8xC661) 2 P1.0/T2 3 P1.1/T2EX 4 P1.2/ECI 5 P1.3/CEX0 6 P1.4/CEX1 7 P1.5/CEX2 8 P1.6/SCL0 9 P1.7/SDA0 10 RST 11 P3.0/RxD 12 VSS32 13 P3.1/TxD 14 P3.2/INT0 15 P3.3/INT1 Pin Function 16 P3.4/T0/CEX3 17 P3.5/T1/CEX4 18 P3.6/WR 19 P3.7/RD 20 XTAL2 21 XTAL1 22 VSS1 23 NIC1 (8xC660)/ SCL13 (8xC661) 24 P2.0/A8 25 P2.1/A9 26 P2.2/A10 27 P2.3/A11 28 P2.4/A12 29 P2.5/A13 Pin Function 30 P2.6/A14 31 P2.7/A15 32 PSEN 33 ALE 34 VSS22 35 EA/VPP 36 P0.7/AD7 37 P0.6/AD6 38 P0.5/AD5 39 P0.4/AD4 40 P0.3/AD3 41 P0.2/AD2 42 P0.1/AD1 43 P0.0/AD0 44 VCC SU01737 1. No internal connection 2. May be left open, but it is recommended to connect VSS2 and VSS3 to GND to improve EMC performance 3. P8xC661X2 devices only, these pins are open-drain and have the same electrical characteristics as P1.6 and P1.7 Plastic Quad Flat Pack P8xC660X2/661X2 44 34 1 11 33 23 12 22 SU01738 Pin Function 1 P1.5/CEX2 2 P1.6/SCL0 3 P1.7/SDA0 4 RST 5 P3.0/RxD 6VSS32 7 P3.1/TxD 8 P3.2/INT0 9 P3.3/INT1 10 P3.4/T0/CEX3 11 P3.5/T1/CEX4 12 P3.6/WR 13 P3.7/RD 14 XTAL2 15 XTAL1 Pin Function 16 VSS1 17 NIC1 (8xC660)/ SCL13 (8xC661) 18 P2.0/A8 19 P2.1/A9 20 P2.2/A10 21 P2.3/A11 22 P2.4/A12 23 P2.5/A13 24 P2.6/A14 25 P2.7/A15 26 PSEN 27 ALE 28 VSS22 29 EA/VPP Pin Function 30 P0.7/AD7 31 P0.6/AD6 32 P0.5/AD5 33 P0.4/AD4 34 P0.3/AD3 35 P0.2/AD2 36 P0.1/AD1 37 P0.0/AD0 38 VCC 39 NIC1 (8xC660)/ SDA13 (8xC661) 40 P1.0/T2 41 P1.1/T2EX 42 P1.2/ECI 43 P1.3/CEX0 44 P1.4/CEX1 1. No internal connection 2. May be left open, but it is recommended to connect VSS2 and VSS3 to GND to improve EMC performance 3. P8xC661X2 devices only |
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