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MC33389CDH Datasheet(PDF) 4 Page - Freescale Semiconductor, Inc |
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MC33389CDH Datasheet(HTML) 4 Page - Freescale Semiconductor, Inc |
4 / 49 page Analog Integrated Circuit Device Data 4 Freescale Semiconductor 33389 PIN CONNECTIONS PIN CONNECTIONS Figure 3. 33389 Pin Connections Table 1. 33389 Pin Definitions: HSOSP 20-Lead A functional description of each pin can be found in the Functional Pin Description section beginning on page 17. Pin Number Pin Name Formal Name Definition 1 TX Transmitter Data Transmitter input of the LS CAN interface 2 V1 Voltage Regulator One This 5.0 V pin is a 3% low drop voltage regulator dedicated to the microcontroller supply. 3 RX Receiver Data Receiver output of the LS CAN interface 4 RST Reset This is an Input/Output pin. 5 INT Interrupt Output This output is asserted LOW when an enabled interrupt condition occurs. 6 MISO Master In/Slave Out This pin is the tri-state output from the shift register. 7 MOSI Master Out/Slave In This pin is for the input of serial instruction data. 8 SCLK System Clock This pin clocks the internal shift registers. 9 CS Chip Select This pin communicates with the system MCU and enables SPI communication. 10 - 12 L0 - L2 Level 0 - 2 inputs (L0: L2) Input interfaces to external circuitry. Levels at these pins can be read by SPI and input can be used as programmable wake-up input in Sleep or Stop mode. 13 RTH RTH Pin for the connection of the bus termination to CANH 14 CANL CAN Low CAN low input/output 15 GND Ground This pin is the ground of the integrated circuit. 16 CANH CAN High CAN high input/output 17 V2 Voltage Regulator Two This 5.0 V pin is a low drop voltage regulator dedicated to the peripherals supply. 18 RTL RTL Pin for the connection of the bus termination to CANL 19 VBAT Voltage Battery This pin is voltage supply from the battery. 20 V3 Voltage Regulator Three This pin is a 10 Ω switch to V BAT, used to supply external contacts or relays. V3 TX VBAT RTL V2 CANH GND CANL RTH L0 L1 V1 INT MISO MOSI SCLK CS L2 RX RST 1 2 3 4 5 6 7 8 9 10 20 19 16 15 14 13 12 11 18 17 |
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