STV9427 데이터 시트보기 (PDF) - STMicroelectronics

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STV9427

HIGH SPEED MULTISYNCH ON-SCREEN DISPLAY FOR MONITOR

STMicroelectronics 

STV9427 - STV9428 - STV9429

TIMINGS

Symbol

Parameter

OSCILATOR INPUT : XTI (see Figure 2)

tWH

tWL

fXTAL

fPXL

RESET

Clock High Level

Clock Low Level

Clock Frequency

Pixel Frequency

tRES

RESET Low Level Pulse

R, G, B, FBLK (CLOAD = 30pF)

tR

Rise Time (see Note 1)

tF

Fall Time (see Note 1)

tSKEW

Skew between R, G, B, FBLK

I2C INTERFACE : SDA AND SCL (see Figure 3)

fSCL

tBUF

tHDS

tSUP

tLOW

tHIGH

tHDAT

tSUDAT

tF

SCL Clock Frequency (Horizontal frequency = 32kHz)

Time the bus must be free between 2 access

Hold Time for Start Condition

Set up Time for Stop Condition

Clock Low Level

Clock High Level

Hold Time Data

Set up Time Data

SDA Fall Time

tR

SCL and SDA Rise Time

Min.

Typ.

Max.

Unit

20

ns

20

ns

6

15

MHz

30

80

MHz

4

µs

5

ns

5

ns

5

ns

288

kHz

500

ns

500

ns

500

ns

400

ns

400

ns

0

ns

500

ns

20

ns

Depend on the pull-up resistor

and on the load capacitance

Note 1 : These parameters are not tested on each unit. They are measured during our internal qualification procedure which includes

characterization on batches comming from corners of our processes and also temperature characterization.

Figure 2

tWL

XTI

tWH

Figure 3

Stop Start

tBUF

SDA

tHDS

SCL

tHIGH

Data

tHDAT

Stop

tSUDAT

tSUP

tLOW

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