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PCA8550D 数据表(PDF) 4 Page - NXP Semiconductors |
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PCA8550D 数据表(HTML) 4 Page - NXP Semiconductors |
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4 / 12 page ![]() Philips Semiconductors Product specification PCA8550 4-bit multiplexed/1-bit latched 5-bit I2C EEPROM 1998 Sep 29 4 MSB LSB 00 NON- MUXED DATA MUX DATA D 0 MUX DATA C SW00219 MUX DATA B MUX DATA A Figure 2. I2C Data Byte BLOCK DIAGRAM 5-BIT EEPROM 0 SELECT NON_MUX_OUT 14 1 3.3V 3.3V 3.3V 3.3V 2.5V 2.5V 2.5V 2.5V A20M# MUX_OUT A /FSBM0 IGNNE# MUX_OUT B /FSBM1 LINT1/NMI MUX_OUT C /FSBM2 LINT0/INTR MUX_OUT D /FSBM3 OE# 13 3 1 2 15 4 5 6 7 CHIP SET SCL I2C CLOCK SDA I2C DATA WRITE PROTECT A20M# MUX_IN A IGNNE# MUX_IN B LINT1/NMI MUX_IN C LINT0/INTR MUX_IN D VCC3.3 = 16 GND = 8 OVERRIDE# CRESET# MUX_SELECT 10–30k Ω 100–150k Ω 10–30k Ω PENTIUM PRO/ PENTIUM II PROCESSORS 12 11 10 9 SW00347 10–30k Ω NMO LATCH |
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