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LPC4350 датащи(PDF) 113 Page - NXP Semiconductors |
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LPC4350 датащи(HTML) 113 Page - NXP Semiconductors |
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113 / 145 page ![]() LPC4350_30_20_10 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Objective data sheet Rev. 2.1 — 23 September 2011 113 of 145 NXP Semiconductors LPC4350/30/20/10 32-bit ARM Cortex-M4/M0 microcontroller [1] Parameters are shown as RDn or WDn in Figure 33 as indicated in the Conditions column. [2] Parameters specified for 40 % of VDD(IO) for rising edges and 60 % of VDD(IO) for falling edges. [3] Latest of address valid, CS LOW, OE LOW, BLSx LOW (PB = 1). [4] After End Of Read (EOR): Earliest of CS HIGH, OE HIGH, BLSx HIGH (PB = 1), address invalid. [5] End Of Write (EOW): Earliest of address invalid, CS HIGH, BLSx HIGH (PB = 1). tBLSLBLSH BLS LOW to BLS HIGH time WR10; PB = 0 (WAITWR WAITWEN + 1) Tcy(clk) + <tbd> (WAITWR WAITWEN + 1) Tcy(clk) + <tbd> (WAITWR WAITWEN + 1) Tcy(clk) + <tbd> ns tBLSHEOW BLS HIGH to end of write time WR11; PB = 0 [5] <tbd> <tbd> <tbd> ns tBLSHDNV BLS HIGH to data invalid time WR12; PB = 0 <tbd> <tbd> <tbd> ns Table 17. Dynamic characteristics: Static external memory interface …continued CL =30 pF, Tamb = 40 C to 85 C, VDD(REG)(3V3) = <tbd>. Symbol Parameter[1] Conditions[1] Min Typ Max Unit Fig 33. External static memory read/write access (PB = 0) RD1 RD5 RD2 WR2 WR9 WR12 WR10 WR11 RD5 RD5 RD6 WR8 WR1 EOR EOW RD7 RD4 EMC_Ax EMC_CSx EMC_OE EMC_BLSx EMC_WE EMC_Dx 002aag214 |
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