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KTPFPGMEVMEUG Datasheet(PDF) 5 Page - Freescale Semiconductor, Inc |
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KTPFPGMEVMEUG Datasheet(HTML) 5 Page - Freescale Semiconductor, Inc |
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5 / 48 page  KTPFPGMEVMEUG, Rev. 2.0 Freescale Semiconductor 5 Software and Hardware Requirements The KITPFPGMEVME incorporates a MC9S908JM60 8-bit MCU, a MAX686 boost regulator, and a MIC5202 LDO. The programming voltage is supplied by the boost regulator, which boosts the nominal 5.0V from the USB port to the required 8.25V. The programmer is connected to the customer’s board via a flat cable with a standard 8-pin (4x2), 100mil pitch header plug. Figure 3 shows the pin-out and signals of the Programming Interface connector. VPGM V3V3 GND SDA SCL PWRON VUSB ID D+ D- GND 1 2 3 4 5 PROGRAMMING INTERFACE 6 1 2 3 4 5 MINI-USB INTERFACE BOOST LDO MCU +3.3V +8.25V +3.5V to 5.5V VIN BSTEN GND VOUT GND GND VIN VOUT SHDN PGMEN D- SCL SDA PWRON VDD D+ CONNECTED PROGON 3V3EN VINSNS EN FB VUSBEN S1 S2 UP DN BSTDN BSTUP DACOUT 7 8 GPIO1 GPIO2 GPIO1 GPIO2 Figure 3. KITPFPGMEVME Block Diagram 4.1 Designing the Target PF0100 Application When connecting the KITPFPGMEVME programmer to an application board with an i.MX processor and PF0100 sharing the I2C bus, it is required to disconnect the processor I2C lines from the communication bus. Figure 4 shows a simplified diagram to be able to program the PF0100 with the KITPFPGMEVME programmer. Since programming the OTP fuse on the PF0100 is a one-time event during production, the most simple and cost-effective solution for isolating the processor I2C lines is to add two 0 Ω resistors (R5 and R6) which should not be placed during OTP programming, but are soldered down for normal operation. Note that Figure 4 represents only a recommended configuration; It is the customer’s responsibility to make sure this proposal meets the requirements of a specific application. PWRON pin is configured to be LOW so the processor will be in reset, since the PORB pin in typical application is connected to the RESETBMCU pin of PF0100. Note: ICTEST should be grounded. |
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Similar Description - KTPFPGMEVMEUG |
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