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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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P89LPC970FDH датащи(PDF) 52 Page - NXP Semiconductors |
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P89LPC970FDH датащи(HTML) 52 Page - NXP Semiconductors |
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52 / 66 page  P89LPC97X_2 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved. Product data sheet Rev. 02 — 27 April 2010 52 of 66 NXP Semiconductors P89LPC970/971/972 8-bit microcontroller with accelerated two-clock 80C51 core [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. TSPICYC SPI cycle time see Figure 19, 20, 21, 22 slave 6 ⁄ CCLK -500 - ns master 4 ⁄ CCLK -333 - ns tSPILEAD SPI enable lead time see Figure 21, 22 slave 250 - 250 - ns tSPILAG SPI enable lag time see Figure 21, 22 slave 250 - 250 - ns tSPICLKH SPICLK HIGH time see Figure 19, 20, 21, 22 master 2 ⁄ CCLK -165 - ns slave 3 ⁄ CCLK -250 - ns tSPICLKL SPICLK LOW time see Figure 19, 20, 21, 22 master 2 ⁄ CCLK -165 - ns slave 3 ⁄ CCLK -250 - ns tSPIDSU SPI data set-up time see Figure 19, 20, 21, 22 master or slave 100 - 100 - ns tSPIDH SPI data hold time see Figure 19, 20, 21, 22 master or slave 100 - 100 - ns tSPIA SPI access time see Figure 21, 22 slave 0 120 0 120 ns tSPIDIS SPI disable time see Figure 21, 22 slave 0 240 - 240 ns tSPIDV SPI enable to output data valid time see Figure 19, 20, 21, 22 slave - 240 - 240 ns master - 167 - 167 ns tSPIOH SPI output data hold time see Figure 19, 20, 21, 22 0- 0 - ns tSPIR SPI rise time see Figure 19, 20, 21, 22 SPI outputs (SPICLK, MOSI, MISO) - 100 - 100 ns SPI inputs (SPICLK, MOSI, MISO, SS) - 2000 - 2000 ns tSPIF SPI fall time see Figure 19, 20, 21, 22 SPI outputs (SPICLK, MOSI, MISO) - 100 - 100 ns SPI inputs (SPICLK, MOSI, MISO, SS) - 2000 - 2000 ns Table 12. Dynamic characteristics (12 MHz) …continued VDD = 2.4 V to 5.5 V unless otherwise specified. Tamb = −40 °Cto+85 °C for industrial applications, unless otherwise specified.[1][2] Symbol Parameter Conditions Variable clock fosc =12MHz Unit Min Max Min Max |
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