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Epson Research and Development

 

Vancouver Design Center

 

 

7.2 Clock Input Requirements

Clock Input Waveform

tPWH

VIH

VIL

tPWL

TCLKI

Figure 7-6: Clock Input Requirements

Table 7-6: Clock Input Requirements

Symbol

Parameter

Min

Typ

Max

Units

 

 

 

 

 

 

TCLKI

Input Clock Period (CLKI)

12.5

 

 

ns

TPCLK

Pixel Clock Period (PCLK) not shown

25

 

 

ns

TMCLK

Memory Clock Period (MCLK) not shown

25

 

 

ns

tPWH

Input Clock Pulse Width High (CLKI)

45%

 

55%

TCLKI

tPWL

Input Clock Pulse Width Low (CLKI)

45%

 

55%

TCLKI

Note

When CLKI is more than 40MHz, REG[19h] bit 2 must be set to 1 (MCLK = CLKI/2).

There is no minimum frequency for CLKI.

S1D13504

Hardware Functional Specification

X19A-A-002-18

Issue Date: 01/01/30

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Image 52
Epson S1D13504 manual Clock Input Requirements, Symbol Parameter Min Typ Max Units