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LPC2917 Arkusz danych(PDF) 21 Page - NXP Semiconductors |
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LPC2917 Arkusz danych(HTML) 21 Page - NXP Semiconductors |
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21 / 68 page ![]() LPC2917_19_1 © NXP B.V. 2007. All rights reserved. Preliminary data sheet Rev. 1.01 — 15 November 2007 21 of 68 NXP Semiconductors LPC2917/19 ARM9 microcontroller with CAN and LIN Usage of the idle/turn-around time (IDCY) is demonstrated In Figure 6. Extra wait states are added between a read and a write cycle in the same external memory device. Address pins on the device are shared with other functions. When connecting external memories, check that the I/O pin is programmed for the correct function. Control of these settings is handled by the SCU. WSTOEN=5, WSTWEN=5, WST1=7, WST2=6, IDCY=5 Fig 6. Reading/writing external memory OE_N CLK(SYS) CS ADDR DATA WSTOEN WST1 WSTWEN WST2 WE_N / BLS IDCY |
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