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MC33389CVW Datasheet(PDF) 5 Page - Freescale Semiconductor, Inc |
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MC33389CVW Datasheet(HTML) 5 Page - Freescale Semiconductor, Inc |
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5 / 49 page  Analog Integrated Circuit Device Data Freescale Semiconductor 5 33389 PIN CONNECTIONS Table 2. 33389 Pin Definitions: SOICW 28-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 This output is asserted LOW when an enabled interrupt condition occurs. 6 -9 20 - 23 GND Ground These device ground pins are internally connected to the package lead frame to provide a 33389-to-PCB thermal path. 10 MISO Master In/Slave Out This pin is the tri-state output from the shift register. 11 MOSI Master Out/Slave In This pin is for the input of serial instruction data. 12 SCLK System Clock This pin clocks the internal shift registers. 13 CS Chip Select This pin communicates with the system MCU and enables SPI communication. 14, 15, 16 L0: L2 Wake-up Input (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. 17 NC No Connect This pin does not connect. 18 RTH Thermal Resistance High Pin for the connection of the bus termination to CANH 19 CANL CAN Low CAN low input/output 24 CANH CAN High CAN high input/output 25 V2 Voltage Regulator Two This 5.0 V pin is a low drop voltage regulator dedicated to the peripherals supply. 26 RTL Thermal Resistance Low Pin for the connection of the bus termination to CANL 27 VBAT Voltage Battery This pin is voltage supply from the battery. 28 V3 Voltage Regulator Three This pin is a 10 Ω switch to V BAT, used to supply external contacts or relays. V3 V2 CANH GND GND GND GND CANL RTH NC L0 L1 VBAT RTL TX RST INT GND GND GND GND MISO MOSI SCLK CS L2 V1 RX 4 5 6 7 8 9 10 11 12 13 14 2 3 28 25 24 23 22 21 20 19 18 17 16 15 27 26 1 |
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