PSD412A2-C-90UI 查看數據表（PDF） - STMicroelectronics

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PSD412A2-C-90UI

Low Cost Field Programmable Microcontroller Peripherals

STMicroelectronics 

14.0 Timing Diagrams

Figure 39. Read Timing

PSD4XX Family

ALE /AS

A /D (BHE)

MULTIPLEXED

BUS

ADDRESS

(BHE/SIZ0)

NON-MULTIPLEXED

BUS

DATA

NON-MULTIPLEXED

BUS

CSI

RD

(PSEN, DS)

(LDS, UDS)

E

R/W

tAVLX

tLXAX

tLVLX

ADDRESS

VALID

tAVQV

ADDRESS

VALID

tSLQV

tRLQV

tRLRH

tAVPV

tTHEH

tEHEL

ADDRESS OUT

DATA

VALID

DATA

VALID

tRHQX

tRHQZ

tELTL

READ TIMING

95

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