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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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P89LPC9331FDH датащи(PDF) 76 Page - NXP Semiconductors |
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P89LPC9331FDH датащи(HTML) 76 Page - NXP Semiconductors |
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76 / 93 page  P89LPC9331_9341_9351_9361_3 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 03 — 2 June 2009 76 of 93 NXP Semiconductors P89LPC9331/9341/9351/9361 8-bit microcontroller with accelerated two-clock 80C51 core 11. Dynamic characteristics Table 14. Dynamic characteristics (12 MHz) VDD = 2.4 V to 3.6 V unless otherwise specified. Tamb = −40 °C to +85 °C for industrial applications, −40 °C to +125 °C extended, unless otherwise specified.[1][2] Symbol Parameter Conditions Variable clock fosc = 12 MHz Unit Min Max Min Max fosc(RC) internal RC oscillator frequency nominal f = 7.3728 MHz trimmed to ± 1 % at Tamb =25 °C; clock doubler option = OFF (default) 7.189 7.557 7.189 7.557 MHz nominal f = 14.7456 MHz; clock doubler option = ON, VDD = 2.7 V to 3.6 V 14.378 15.114 14.378 15.114 MHz fosc(WD) internal watchdog oscillator frequency Tamb =25 °C 380 420 380 420 kHz fosc oscillator frequency 0 12 - - MHz Tcy(clk) clock cycle time see Figure 41 83 - - - ns fCLKLP low-power select clock frequency 0 8 - - MHz Glitch filter tgr glitch rejection time P1.5/RST pin - 50 - 50 ns any pin except P1.5/RST - 15 - 15 ns tsa signal acceptance time P1.5/RST pin 125 - 125 - ns any pin except P1.5/RST 50 - 50 - ns External clock tCHCX clock HIGH time see Figure 41 33 Tcy(clk) − tCLCX 33 - ns tCLCX clock LOW time see Figure 41 33 Tcy(clk) − tCHCX 33 - ns tCLCH clock rise time see Figure 41 -8 - 8 ns tCHCL clock fall time see Figure 41 -8 - 8 ns Shift register (UART mode 0) TXLXL serial port clock cycle time see Figure 42 16Tcy(clk) - 1333 - ns tQVXH output data set-up to clock rising edge time see Figure 42 13Tcy(clk) - 1083 - ns tXHQX output data hold after clock rising edge time see Figure 42 -Tcy(clk) + 20 - 103 ns tXHDX input data hold after clock rising edge time see Figure 42 -0 - 0 ns tXHDV input data valid to clock rising edge time see Figure 42 150 - 150 - ns SPI interface fSPI SPI operating frequency slave 0 CCLK ⁄ 6 0 2.0 MHz master - CCLK ⁄ 4 - 3.0 MHz |
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