AMD SC3200 manual TFT Interface Signals, ACCESS.bus Interface Signals

Models: SC3200

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32581C

Signal Definitions

 

 

3.4.4TFT Interface Signals

Signal Name

Ball No.

Type

Description

Mux

 

 

 

 

 

HSYNC

A11

O

Horizontal Sync

---

 

 

 

 

 

VSYNC

B11

O

Vertical Sync

---

 

 

 

 

 

TFTDCK

AA1

O

TFT Clock.

IDE_RST#

 

 

 

 

 

 

A10

 

 

GPIO17+ IOCS0#

 

 

 

 

 

TFTDE

P2

O

TFT Data Enable.

IDE_CS1#

 

 

 

 

 

 

B18

 

 

ACK#+FPCICLK

 

 

 

 

 

FP_VDD_ON

AB1

O

TFT Power Control. Used to enable power to the flat

IDE_DATA4

 

 

 

panel display, with power sequence timing.

 

 

V30

 

GXCLK+TEST3

 

 

 

 

 

 

 

 

TFTD[17:0]

See

O

Digital RGB Data to TFT.

The TFT interface is

 

Table 3-3

 

TFTD[5:0] - Connect to the BLUE TFT inputs.

muxed with the IDE

 

on page

 

TFTD[11:6] - Connect to GREEN TFT inputs.

interface or the Par-

 

40.

 

TFTD[17:12] - Connect to RED TFT inputs.

allel Port. See Table

 

 

 

 

3-5 on page 45 and

 

 

 

 

Table 3-6 on page

 

 

 

 

46 for details.

 

 

 

 

 

3.4.5ACCESS.bus Interface Signals

Signal Name

Ball No.

Type

Description

Mux

 

 

 

 

 

AB1C

N31

I/O

ACCESS.bus 1 Serial Clock. This is the serial clock for

GPIO20+DOCCS#

 

 

 

the interface.

 

 

 

 

Note: If selected as AB1C function but not used, tie

 

 

 

 

AB1C high.

 

 

 

 

 

 

AB1D

N30

I/O

ACCESS.bus 1 Serial Data. This is the bidirectional

GPIO1+IOCS1#

 

 

 

serial data signal for the interface.

 

 

 

 

Note: If AB1D function is selected but not used, tie

 

 

 

 

AB1D high.

 

 

 

 

 

 

AB2C

N29

I/O

ACCESS.bus 2 Serial Clock. This is the serial clock for

GPIO12

 

 

 

the interface.

 

 

 

 

Note: If AB2C function is selected but not used, tie

 

 

 

 

AB2C high.

 

 

 

 

 

 

AB2D

M29

I/O

ACCESS.bus 2 Serial Data. This is the bidirectional

GPIO13

 

 

 

serial data signal for the interface.

 

 

 

 

Note: If AB2D function is selected but not used, tie

 

 

 

 

AB2D high.

 

 

 

 

 

 

52

AMD Geode™ SC3200 Processor Data Book

Page 52
Image 52
AMD SC3200 manual TFT Interface Signals, ACCESS.bus Interface Signals