Electrical Specifications

32581C

9.3.3TFT Interface

Table 9-14. TFT Timing Parameters

Symbol

Parameter

Min

 

Max

Unit

Comments

 

 

 

 

 

 

 

tOV

TFTD[17:0], TFTDE valid time after

0

 

8

ns

 

 

TFTDCK rising edge (multiplexed on IDE)

 

 

 

 

 

 

 

 

 

 

 

 

tOV

TFTD[17:0], TFTDE valid time after

0

 

4

ns

 

 

TFTDCK rising edge (multiplexed on

 

 

 

 

 

 

Parallel Port)

 

 

 

 

 

 

 

 

 

 

 

 

tCLK_RF

TFTDCK rise/fall time between 0.8V and

 

 

3

ns

Note 1

 

2.0V

 

 

 

 

 

 

 

 

 

 

 

 

tCLK_P

TFTDCK period time (multiplexed on IDE)

25

 

 

ns

 

tCLK_P

TFTDCK period time (multiplexed on

12.5

 

 

ns

 

 

Parallel Port)

 

 

 

 

 

 

 

 

 

 

 

 

tCLK_D

TFTDCK duty cycle

 

40/60

%

 

Note 1. Guaranteed by characterization

tCLK_P

tOV

TFTDCK

tCLK_RF

TFTD[17:0]

TFTDE

Figure 9-7. TFT Timing Diagram

AMD Geode™ SC3200 Processor Data Book

367

Page 367
Image 367
AMD SC3200 TFT Interface 14. TFT Timing Parameters, Tftdck rise/fall time between 0.8V, Tftdck period time multiplexed on