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MCZ33199EF Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc |
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MCZ33199EF Datasheet(HTML) 3 Page - Freescale Semiconductor, Inc |
3 / 18 page Analog Integrated Circuit Device Data Freescale Semiconductor 3 33199 PIN CONNECTIONS PIN CONNECTIONS Figure 3. 33199 Pin Connections Table 1. Pin Definitions A functional description of each pin can be found in the Functional Pin Description section, beginning on page 12. Pin Number Pin Name Definition 1 VCC 5V typical power supply pin. typical supply current is less than 1.5mA 2 REF-IN-L Input reference for C2 comparator. 3 REF-IN-K Input reference for C1 comparator. 4 LO This pin control Sleep Mode, Transmit Level, and Speed. It has a weak pulldown. 5 RXD Open drain output of the data on BUS. A recessive bus = a logic [1], a dominant bus = logic [0]. An external pullup is required. 6 TXD Data input here will appear on the BUS pin. A logic [0] will assert the bus, a logic [1] will make the bus go to the recessive state. 7, 8 NC No internal connection to these pins. 9 DIA Provides a battery-level logic signal. 10 GND Electrical Common Ground and Heat removal. A good thermal path will also reduce the die temperature. 11 I1 Power input. An external diode is needed for reverse battery protection. 12 L The external bus load resistor connects here to prevent bus pullup in the event of loss of module ground. 13 VS This pin connects to the bus through external components. 14 REF-OUT Internal reference voltage generator output pin. 33199 VCC REF-IN-L REF-IN-K LO RXD TXD NC REF-OUT VS L I1 GND DIA NC 1 2 3 4 5 6 7 14 13 12 11 10 9 8 |
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