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LPC1850 Datasheet(PDF) 109 Page - NXP Semiconductors |
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LPC1850 Datasheet(HTML) 109 Page - NXP Semiconductors |
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109 / 142 page ![]() LPC1850_30_20_10 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Preliminary data sheet Rev. 2.2 — 9 September 2011 109 of 142 NXP Semiconductors LPC1850/30/20/10 32-bit ARM Cortex-M3 microcontroller td(WV) write valid delay time <tbd> <tbd> <tbd> ns th(W) write hold time <tbd> <tbd> <tbd> ns td(GV) output enable valid delay time <tbd> <tbd> <tbd> ns th(G) output enable hold time <tbd> <tbd> <tbd> ns td(AV) address valid delay time <tbd> <tbd> <tbd> ns th(A) address hold time <tbd> <tbd> <tbd> ns Read cycle parameters tsu(D) data input set-up time <tbd> <tbd> <tbd> ns th(D) data input hold time <tbd> <tbd> <tbd> ns Write cycle parameters td(QV) data output valid delay time <tbd> <tbd> <tbd> ns th(Q) data output hold time <tbd> <tbd> <tbd> ns Table 16. Dynamic characteristics: Dynamic external memory interface, read strategy bits (RD bits) = 00 …continued CL =30 pF, Tamb = 40 C to 85 C, VDD(REG)(3V3) = <tbd>. Symbol Parameter Conditions Min Typ Max Unit Table 17. Dynamic characteristics: Dynamic external memory interface, read strategy bits (RD bits) = 01 CL =30 pF, Tamb = 40 C to 85 C, VDD(REG)(3V3) = <tbd>. Symbol Parameter Conditions Min Typ Max Unit Common to read and write cycles td(SV) chip select valid delay time <tbd> <tbd> <tbd> ns th(S) chip select hold time <tbd> <tbd> <tbd> ns td(RASV) row address strobe valid delay time <tbd> <tbd> <tbd> ns th(RAS) row address strobe hold time <tbd> <tbd> <tbd> ns td(CASV) column address strobe valid delay time <tbd> <tbd> <tbd> ns th(CAS) column address strobe hold time <tbd> <tbd> <tbd> ns td(WV) write valid delay time <tbd> <tbd> <tbd> ns th(W) write hold time <tbd> <tbd> <tbd> ns td(GV) output enable valid delay time - - - ns th(G) output enable hold time - - - ns td(AV) address valid delay time <tbd> <tbd> <tbd> ns th(A) address hold time <tbd> <tbd> <tbd> ns Read cycle parameters tsu(D) data input set-up time <tbd> <tbd> <tbd> ns th(D) data input hold time <tbd> <tbd> <tbd> ns Write cycle parameters td(QV) data output valid delay time <tbd> <tbd> <tbd> ns th(Q) data output hold time <tbd> <tbd> <tbd> ns |
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