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PC33899CVW Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc |
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PC33899CVW Datasheet(HTML) 3 Page - Freescale Semiconductor, Inc |
3 / 26 page Analog Integrated Circuit Device Data Freescale Semiconductor 3 33899 PIN CONNECTIONS PIN CONNECTIONS Figure 3. 33899 Pin Connections Table 1. 33899 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 Formal Name Definition 1 VDDQ Logic Level Output Bias Sets VOH level of DO output and LSCMP. 2 DO SPI Data Out SPI control data output pin from the IC to the MCU. 3 DI SPI Data In SPI control data input pin from the MCU to the IC. 4 SCLK SPI Serial Clock Input The SCLK input is the clock signal input for synchronization of serial data transfer. 5 CS Chip Select (Active Low) This pin is an input connected to a chip select output of an MCU. 6 CRES Charge Pump This pin connects an external capacitor, which is the storage reservoir for the internal charge pump. 7 REDIS Automatic Output Re- Enable Disable This input pin is a connection to a capacitor that determines the default time the output will be turned off when the low-side current comparator is tripped, if PWM has not commanded it. The typical value with a 0.1 μF is 100μs. If shorted, the feature is disabled. 8, 9, 22, 23 VIGNP Protected Ignition Voltage This input pin is the primary H-Bridge power input. Note: Not reverse voltage protected. 10, 11 S0 Bridge Output 0 to Load These output pins drive the bi-directional motor and must be connected together on the PC board. 12, 19 GND Ground These pins must be connected on the PC board to the exposed pad. 13, 17, 18 NC No Connect These pins have no internal connections. 14 LSCMP Low Side Comparator This output pin pulses high anytime the low side current comparator is tripped. 15 16 EN2 EN1 Master Enable 2 Master Enable 1 These input pins determine the mode of the IC; namely, sleep, standby, and run. 20, 21 S1 Bridge Output 1 to Load These output pins drive the bi-directional motor and must be connected together on the PC board. VDDQ 1 CS CRES REDIS VIGNP VIGNP S0 S0 GND NC LSCMP EN2 DI SCLK DO CSNS FWD PWM RS VIGNP VIGNP S1 S1 GND NC NC EN1 VCCL REV VCC 7 8 9 10 11 12 13 14 15 3 4 5 6 2 30 24 23 22 21 20 19 18 17 16 28 27 26 25 29 Tab Tab |
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