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33394 データシート(PDF) 5 Page - Freescale Semiconductor, Inc |
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33394 データシート(HTML) 5 Page - Freescale Semiconductor, Inc |
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5 / 44 page  33394 5 MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA PIN FUNCTION DESCRIPTION (54 SOICW–EP Package) PIN NO. NAME DESCRIPTION 1 GND Ground 2 CANL CAN differential bus drive low line 3 CANH CAN differential bus drive high line 4 HRT Hardware Reset Timer pin (programmed with external capacitor and resistor) 5 /SLEEP Sleep Mode & Power Down control 6 N/C No Connect 7 CS SPI chip select 8 DI SPI serial data in 9 SCLK SPI clock input 10 DO SPI serial data out 11 N/C No Connect 12 VREF3 VDDH tracking linear regulator 3 13 VREF2 VDDH tracking linear regulator 2 14 VDDH 5.0 V regulated supply output 15 VPRE_S Switching pre–regulator output sense 16 VPRE Switching pre–regulator output 17 VCOMP Switching pre–regulator compensation (error amplifier output) 18 INV Switching pre–regulator error amplifier inverting input 19 GND Ground 20 SW2G External power switch (MOSFET) gate drive — Boost regulator 21 BOOT Bootstrap capacitor 23 SW1 Source of the internal power switch (n–channel MOSFET) 24 SW1 Source of the internal power switch (n–channel MOSFET) 25 SW1 Source of the internal power switch (n–channel MOSFET) 26 SW1 Source of the internal power switch (n–channel MOSFET) 27 SW1 Source of the internal power switch (n–channel MOSFET) 28 VBAT Battery supply to IC (external reverse battery protection needed in some applications) 29 VBAT Battery supply to IC (external reverse battery protection needed in some applications) 30 VBAT Battery supply to IC (external reverse battery protection needed in some applications) 31 VBAT Battery supply to IC (external reverse battery protection needed in some applications) 32 VBAT Battery supply to IC (external reverse battery protection needed in some applications) 33 KA_VBAT Keep alive supply (with internal protection diode) 34 N/C No Connect 35 VIGN Turn–On control through ignition switch (with internal protection diode) 36 VKAM VDDL tracking Keep Alive Memory (Standby) supply 37 VKAM_FB VKAM output feedback 38 VSEN Switched battery output 39 REGON Regulator “Hold On” input 40 WAKEUP CAN wake up event output 41 VREF1 VDDH tracking linear regulator 1 42 VPP_EN VPP enable 43 VPP 5.0 V/ 3.3 V FLASH memory programming supply, tracking VDDH/VDD3_3 44 VDD3_3 3.3 V regulated supply output, base drive for optional external pass transistor 45 VDD3_3FB VDD3_3 output feedback 46 VDDL_X VDDL optional external pass transistor base drive, operating in Boost Mode only 47 VDDL_B VDDL external pass transistor base drive 48 VDDL_FB VDDL output feedback 49 N/C No Connect 50 /PRERESET Open drain /PRERESET output, occurs 0.7 us prior to /HRESET (Hardware Reset) 51 /HRESET Open drain / HRESET (Hardware Reset) output 52 /PORESET Open drain / PORESET (Power On Reset) supervising VKAM supply to the microprocessor. 53 CANRXD CAN receive data (DOUT) 54 CANTXD CAN transmit data (DIN) NOTE: The exposed pad of the 54 SOICW–EP package is electrically and thermally connected with the IC ground. Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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