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DLPC200 Datasheet(PDF) 28 Page - Texas Instruments |
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DLPC200 Datasheet(HTML) 28 Page - Texas Instruments |
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28 / 41 page ![]() t AVQV t ELQV t GLQV t PHQV t GLTV t AVAV CE OE Data Address ADV WAIT RST DLPC200 DLPS014A – APRIL 2010 – REVISED MAY 2010 www.ti.com Parallel Flash Memory Interface (continued) To perform a write operation, both CE and WE are asserted while RST and OE are deasserted. During a write operation, address and data are latched on the rising edge of WE or CE, whichever occurs first. When the device is operating in write operations, WAIT is set to a deasserted state as determined by RCR.10. PARALLEL FLASH INTERFACE TIMING REQUIREMENTS PARAMETER MIN MAX UNIT tAVAV Read cycle time 110 ns tAVQV Address to output valid 110 ns tELQV CE# low to output valid 110 ns tGLQV OE# low to output valid 25 ns tPHQV RST# high to output valid 150 ns tGLTV OE# low to WAIT valid 17 ns tPHWL RST# high recovery to WE# low 150 ns tELWL CE# setup to WE# low 0 ns tWLWH WE# write pulse width low 50 ns tDVWH Data setup to WE# high 50 ns tAVWH Address setup to WE# high 50 ns tWHEH CE# hold from WE# high 0 ns tPWDHX Data hold from WE# high 0 ns tWHAX Address hold from WE# high 0 ns Figure 9. Parrallel Flash Read Timing 28 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): DLPC200 |
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