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MC34911BAC データシート(PDF) 4 Page - Freescale Semiconductor, Inc |
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MC34911BAC データシート(HTML) 4 Page - Freescale Semiconductor, Inc |
4 / 45 page Analog Integrated Circuit Device Data 4 Freescale Semiconductor 33911 PIN CONNECTIONS 12 WDCONF Watchdog Configuration Pin This input pin is for configuration of the watchdog period and allows the disabling of the watchdog. 13 LIN LIN Bus This pin represents the single-wire bus transmitter and receiver. 14 LGND LIN Ground Pin This pin is the device LIN ground connection. It is internally connected to the PGND pin. 17 19 LS2 LS1 Low Side Outputs Relay drivers low side outputs. 18 PGND Power Ground Pin This pin is the device low side ground connection. It is internally connected to the LGND pin. 22 23 L2 L1 Wake-Up Inputs These pins are the wake-up capable digital inputs(1). In addition, all LX inputs can be sensed analog via the analog multiplexer. 25 HS1 High Side Output High side switch output. 26 27 VS2 VS1 Power Supply Pin These pins are device battery level power supply pins. VS2 is supplying the HS1 driver while VS1 supplies the remaining blocks.(2) 29 VSENSE Voltage Sense Pin Battery voltage sense input. (3) 31 VDD Voltage Regulator Output +5.0V main voltage regulator output pin. (4) 32 AGND Analog Ground Pin This pin is the device analog ground connection. Notes 1. When used as a digital input, a series 33k Ω resistor must be used to protect against automotive transients. 2. Reverse battery protection series diodes must be used externally to protect the internal circuitry. 3. This pin can be connected directly to the battery line for voltage measurements. The pin is self-protected against reverse battery connections. It is strongly recommended to connect a 10k Ω resistor in series with this pin for protection purposes. 4. External capacitor (2µF < C < 100µF; 0.1 Ω < ESR < 10Ω) required. Table 1. 33911 Pin Definitions A functional description of each pin can be found in the Functional Pin Description section beginning on page 20. Pin Pin Name Formal Name Definition |
同様の部品番号 - MC34911BAC |
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同様の説明 - MC34911BAC |
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