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SCH5627P Datasheet(PDF) 22 Page - Microchip Technology |
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SCH5627P Datasheet(HTML) 22 Page - Microchip Technology |
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22 / 234 page  SCH5627P DS00001996A-page 22 2009 - 2015 Microchip Technology Inc. Note 3-1 Names in parentheses are software functions. Note 3-2 Output Buffers are 5V tolerant in open drain mode only. Note 3-3 When PWRGD_PS is 0 the buffers are tri-stated. Note 3-4 If a pin is used as a push pull output, it is not 5V tolerant and should not be pulled up to 5V. Note 3-5 External pullups must be placed on the KBDRST# and A20M pins. These pins are GPIOs that are inputs after an initial power-up (VTR POR). If the KBDRST# and A20M functions are to be used, the system must ensure that these pins are high. Note 3-6 HVTR must be connected to the suspend power well (VTR). Note 3-7 Refer to Parallel Port description for use of this pin in ECP and EPP mode. PECI PECI_IO PECI Data IO GATE Note 3-18 LVSMBCLK1 LVIOD4 Low voltage SMBus clock. NO GATE GP072 LVIOD4 GPIO All functions on this pin are at the PECI voltage. NO GATE PECI_READY PECI_I PECI Ready to read GATE Note 3-16 Note 3-18 LVSMBDAT1 LVIOD4 Low voltage SMBus data. NO GATE GP073 LVIO4 GPIO All functions on this pin are at the PECI voltage. NO GATE GP005 IO4 GPIO NO GATE Note 3-2 Note 3-4 PECI_REQUEST# OD4 PECI Request. This pin is open-drain and should be pulled up to VCC. GATE POWER AND GROUND (18) VCC pwr VCC power indication - - VTR pwr 3.3V Supply Voltage - - VTR pwr 3.3V Supply Voltage - - VTR pwr 3.3V Supply Voltage - - VTR pwr 3.3V Supply Voltage - - VTR pwr 3.3V Supply Voltage - - VTR pwr 3.3V Supply Voltage - - VBAT pwr Battery Input Voltage - - HVTR pwr Hardware Monitor 3.3V Supply Voltage - Note 3-6 VSS gnd Digital Ground - - VSS gnd Digital Ground - - VSS gnd Digital Ground - - VSS gnd Digital Ground - - VSS gnd Digital Ground - - VSS gnd Digital Ground - - AVSS agnd Analog Ground - - HVSS gnd Hardware Monitor Ground - - CAP1 regulator Regulator filter 4.7 μF ±20% Capacitor to ground (ESR ≤ 2 ohms) - - TABLE 3-1: SIGNAL DESCRIPTIONS (CONTINUED) Name Note 3-1 Buffer Type per Function Description Signal Affected by VCC=0 Note 3-8 Notes |
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