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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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P89LPC901FD Datenblatt(PDF) 46 Page - NXP Semiconductors |
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P89LPC901FD Datenblatt(HTML) 46 Page - NXP Semiconductors |
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46 / 55 page  Philips Semiconductors P89LPC901/902/903 8-bit microcontrollers with two-clock 80C51 core Product data Rev. 04 — 21 November 2003 46 of 55 9397 750 12293 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. 11. Dynamic characteristics [1] Parameters are valid over operating temperature range unless otherwise specified. [2] Parts are tested to 2 MHz, but are guaranteed to operate down to 0 Hz. Table 14: AC characteristics Tamb = −40 °C to +85 °C for industrial, unless otherwise specified.[1] Symbol Parameter Conditions Variable clock fOSC =12MHz Unit Min Max Min Max fRCOSC internal RC oscillator frequency (nominal f = 7.3728 MHz) trimmed to ± 1% at Tamb =25 °C 7.189 7.557 7.189 7.557 MHz fWDOSC internal Watchdog oscillator frequency (nominal f = 400 kHz) 280 480 280 480 kHz Crystal oscillator (P89LPC901) fOSC oscillator frequency 0 12 - - MHz tCLCL clock cycle see Figure 22 83 - --ns fCLKP CLKLP active frequency 0 8 - - MHz Glitch filter glitch rejection, P1.5/RST pin - 50 - 50 ns signal acceptance, P1.5/RST pin 125 - 125 - ns glitch rejection, any pin except P1.5/RST - 15 - 15 ns signal acceptance, any pin except P1.5/RST 50 - 50 - ns External clock (P89LPC901) tCHCX HIGH time see Figure 22 33 tCLCL − tCLCX 33 - ns tCLCX LOW time see Figure 22 33 tCLCL − tCHCX 33 - ns tCLCH rise time see Figure 22 -8 - 8 ns tCHCL fall time see Figure 22 -8 - 8 ns Shift register (UART mode 0 - P89LPC903) tXLXL serial port clock cycle time see Figure 21 16 tCLCL - 1333 - ns tQVXH output data set-up to clock rising edge see Figure 21 13 tCLCL - 1083 - ns tXHQX output data hold after clock rising edge see Figure 21 -tCLCL + 20 - 103 ns tXHDX input data hold after clock rising edge see Figure 21 -0 - 0 ns tDVXH input data valid to clock rising edge see Figure 21 150 - 150 - ns |
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