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LPC4370 Datasheet(PDF) 123 Page - NXP Semiconductors |
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LPC4370 Datasheet(HTML) 123 Page - NXP Semiconductors |
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123 / 150 page ![]() LPC4370 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved. Product data sheet Rev. 2 — 21 October 2013 123 of 150 NXP Semiconductors LPC4370 32-bit ARM Cortex-M4/M0 microcontroller 11.17 SD/MMC 11.18 LCD Table 32. Dynamic characteristics: SD/MMC Tamb = 40 C to 85 C, 2.2 V VDD(REG)(3V3) 3.6 V; 2.7 V VDD(IO) 3.6 V, CL = 20 pF. Simulated values. SAMPLE_DELAY = 0x8, DRV_DELAY = 0xF in the SDDELAY register (see the LPC18xx user manual UM10430). Symbol Parameter Conditions Min Max Unit fclk clock frequency on pin SD_CLK; data transfer mode 52 MHz tr rise time 0.5 2 ns tf fall time 0.5 2 ns tsu(D) data input set-up time on pins SD_DATn as inputs 6 - ns on pins SD_CMD as inputs 7 - ns th(D) data input hold time on pins SD_DATn as inputs -1 - ns on pins SD_CMD as inputs 1ns td(QV) data output valid delay time on pins SD_DATn as outputs - 17 ns on pins SD_CMD as outputs - 18 ns th(Q) data output hold time on pins SD_DATn as outputs 4 - ns on pins SD_CMD as outputs 4 - ns Fig 36. SD/MMC timing 002aag204 SD_CLK SD_DATn (O) SD_DATn (I) td(QV) th(D) tsu(D) Tcy(clk) th(Q) SD_CMD (O) SD_CMD (I) Table 33. Dynamic characteristics: LCD Tamb =25 C; 2.2 V VDD(REG)(3V3) 3.6 V; 2.7 V VDD(IO) 3.6 V; CL = 20 pF. Simulated values. Symbol Parameter Conditions Min Typ Max Unit fclk clock frequency on pin LCD_DCLK - 50 - MHz td(QV) data output valid delay time -17 ns th(Q) data output hold time 8.5 - ns |
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