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Epson Research and Development

 

Vancouver Design Center

 

 

Table 7-18: TFT/D-TFD A.C. Timing

 

Symbol

Parameter

Min

Typ

Max

Units

 

t1

 

Shift Pulse period

1

 

 

(note 1)

 

t2

 

Shift Pulse pulse width high

0.5

 

 

Ts

 

t3

 

Shift Pulse pulse width low

0.5

 

 

Ts

 

t4

 

data setup to Shift Pulse falling edge

0.5

 

 

Ts

 

t5

 

data hold from Shift Pulse falling edge

0.5

 

 

Ts

 

t6

 

Line Pulse cycle time

note 2

 

 

 

 

t7

 

Line Pulse pulse width low

9

 

 

Ts

 

t8

 

Frame Pulse cycle time

note 3

 

 

 

 

t9

 

Frame Pulse pulse width low

2t6

 

 

 

 

t10

 

horizontal display period

note 4

 

 

 

 

t11

 

Line Pulse setup to Shift Pulse falling edge

0.5

 

 

Ts

 

t12

 

Frame Pulse falling edge to Line Pulse falling

t6 - 18Ts

 

 

 

 

 

edge phase difference

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

t13

 

DRDY to Shift Pulse falling edge setup time

0.5

 

 

Ts

 

 

 

 

 

 

 

 

 

t14

 

DRDY pulse width

note 5

 

 

 

 

 

 

 

 

 

 

 

 

t15

 

DRDY falling edge to Line Pulse falling edge

note 6

 

 

 

 

 

 

 

 

 

 

 

 

t16

 

DRDY hold from Shift Pulse falling edge

0.5

 

 

Ts

 

 

 

 

 

 

 

 

 

t17

 

Line Pulse Falling edge to DRDY active

note 7

 

250

 

 

 

 

 

 

 

 

 

1.

Ts

= pixel clock period

 

 

 

 

2.

t6min

= [((REG[04h] bits 6-0)+1) x 8 + ((REG[08h] bits 4-0)+4) x 8] Ts

 

 

 

3.

t8 min

= [((REG[06h] bits 1-0, REG[05h] bits 7-0)+1) + (REG[0Ah] bits 6-0)] Lines

 

 

4.t10min = [((REG[04h] bits 6-0)+1) x 8] Ts

5.t14min = [((REG[04h] bits 6-0)+1) x 8] Ts

6.t15min = [(REG[07h] bits 4-0) x 8 + 16] Ts

7.t17min = [(REG[08h] bits 4-0) - (REG[07]) x 8 + 16] Ts

S1D13705

Hardware Functional Specification

X27A-A-001-10

Issue Date: 02/02/01

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Image 60
Epson S1D13705 technical manual 18 TFT/D-TFD A.C. Timing, Symbol Parameter Min Typ Max Units