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MSC7119 데이터시트(PDF) 17 Page - Freescale Semiconductor, Inc |
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MSC7119 데이터시트(HTML) 17 Page - Freescale Semiconductor, Inc |
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17 / 60 page ![]() Electrical Characteristics MSC7119 Data Sheet, Rev. 8 Freescale Semiconductor 17 2 Electrical Characteristics This document contains detailed information on power considerations, DC/AC electrical characteristics, and AC timing specifications. For additional information, see the MSC711x Reference Manual. 2.1 Maximum Ratings In calculating timing requirements, adding a maximum value of one specification to a minimum value of another specification does not yield a reasonable sum. A maximum specification is calculated using a worst case variation of process parameter values in one direction. The minimum specification is calculated using the worst case for the same parameters in the opposite direction. Therefore, a “maximum” value for a specification never occurs in the same device with a “minimum” value for another specification; adding a maximum to a minimum represents a condition that can never exist. Y14 GPIA2 IRQ9 GPOA2 T1TCK Y15 GPIA29 IRQ16 GPOA29 TXD3 reserved Y16 GPID5 GPOD5 RXCLK reserved Y17 GPIA20 IRQ20 GPOA20 TXD0 Y18 GPIA21 IRQ21 GPOA21 RXD1 Y19 GND Y20 GPIA25 IRQ25 GPOA25 RX_DV or CRS_DV CAUTION This device contains circuitry protecting against damage due to high static voltage or electrical fields; however, normal precautions should be taken to avoid exceeding maximum voltage ratings. Reliability is enhanced if unused inputs are tied to an appropriate logic voltage level (for example, either GND or VDD). Table 1. MSC7119 Signals by Ball Designator (continued) Number Signal Names End of Reset Software Controlled Hardware Controlled GPI Enabled (Default) Interrupt Enabled GPO Enabled Primary Alternate |
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