Page 88

Epson Research and Development

 

Vancouver Design Center

 

 

Table 7-29: CRT A.C. Timing

Symbol

Parameter

Min

Typ

Max

Units

t1

DACCLK period

1

 

 

Ts (note 1)

t2

DACCLK pulse width high

0.45

 

 

Ts

t3

DACCLK pulse width low

0.45

 

 

Ts

t4

data setup to DACCLK rising edge

0.45

 

 

Ts

t5

data hold from DACCLK rising edge

0.45

 

 

Ts

t6

HRTC cycle time

note 2

 

 

 

t7

HRTC pulse width (shown active low)

note 3

 

 

 

t8

VRTC cycle time

note 4

 

 

 

 

 

 

 

 

 

t9

VRTC pulse width (shown active low)

note 5

 

 

 

 

 

 

 

 

 

t10

horizontal display period

note 6

 

 

 

 

 

 

 

 

 

t11

HRTC setup to DACCLK rising edge

0.45

 

 

Ts

 

 

 

 

 

 

t12

VRTC falling edge to FPLINE falling edge

note 7

 

 

 

phase difference

 

 

 

 

 

 

 

 

 

 

 

 

 

 

t13

BLANK# to DACCLK rising edge setup time

0.45

 

 

Ts

 

 

 

 

 

 

t14

BLANK# pulse width

note 8

 

 

 

 

 

 

 

 

 

t15

BLANK# falling edge to HRTC falling edge

note 9

 

 

 

 

 

 

 

 

 

t16

BLANK# hold from DACCLK rising edge

0.45

 

 

Ts

 

 

 

 

 

 

1.

Ts

= pixel clock period = memory clock, [memory clock]/2, [memory clock]/3, [memory clock]/4 (see REG[19h] bits [1:0])

2.

t6min

= [((REG[04h] bits [6:0])+1)*8 + ((REG[05h] bits [4:0])+1)*8] Ts

3.

t7min

= [((REG[07h] bits [3:0])+1)*8] Ts

4.

t8 min

= [((REG[09h] bits [1:0], REG[08h] bits [7:0])+1) + ((REG[0Ah] bits [6:0])+1)] lines

5.

t9min

= [((REG[0Ch] bits [2:0])+1)] lines

6.t10min = [((REG[04h] bits [6:0])+1)*8] Ts

7.t12min = [((REG[06h] bits [4:0])+1)*8] Ts

8.t14min = [((REG[04h] bits [6:0])+1)*8] Ts

9.t15min = [((REG[06h] bits [4:0])+1)*8 - 2] Ts

S1D13504

Hardware Functional Specification

X19A-A-002-18

Issue Date: 01/01/30

Page 94
Image 94
Epson S1D13504 manual Symbol Parameter Min Typ Max Units, Dacclk period