Signal Definitions

32579B

 

 

Signal Definitions3

This section defines the signals and describes the external interface of the SC1200/SC1201 processor. Figure 2-1 shows the signals organized by their functional groups. Where signals are multiplexed, the default signal name is

listed first and is separated by a plus sign (+). A slash (/) in a signal name means that the function is always enabled and available (i.e., cycle multiplexed).

System

Interface

Memory

Interface

ACCESS.bus

Interface

Parallel Port/ TFT/VOP Interface

Video Port

Interface

POR#

 

 

CVBS+Cr+TVB

X32I

 

 

SVY+Cb+TVR+CVBS

X32O

 

 

SVC+Cr+Cb+TVB+TVR

X27I

 

 

CVBS+Y+TVG

X27O

 

 

TVCOMP

PCIRST#

 

 

TVRSET

BOOT16+ROMCS#

 

TVREF

 

LPC_ROM+PCICLK1

 

TVIOM

TFT_PRSNT+SDATA_OUT

Straps

FPCI_MON+PCICLK0

 

HSYNC

DID0+GNT0#, DID1+GNT1#

 

 

VSYNC

 

 

 

 

 

 

VREF

MD[63:0]

 

 

SETRES

MA[12:0]

 

 

RED, GREEN, BLUE

BA[1:0]

 

 

 

CS[1:0]#

AMD Geode™

IDE_ADDR2+TFTD4

RASA#

IDE_ADDR1+TFTD2

CASA#

SC1200/SC1201

IDE_ADDR0+TFTD3

WEA#

Processor

IDE_DATA15+TFTD7

DQM[7:0]

 

 

IDE_DATA14+TFTD17

CKEA

 

 

 

 

IDE_DATA13+TFTD15

SDCLK[3:0]

 

 

 

 

IDE_DATA12+TFTD13

SDCLK_IN

 

 

 

 

IDE_DATA11+GPIO41

SDCLK_OUT

 

 

 

 

IDE_DATA10+DDC_SCL

 

 

 

 

 

 

IDE_DATA9+DDC_SDA

AB1C+GPIO20+DOCCS#

 

IDE_DATA8+GPIO40

AB1D+GPIO1+IOCS1#

 

IDE_DATA7+INTD#

GPIO12+AB2C

 

IDE_DATA6+IRQ9

GPIO13+AB2D

 

IDE_DATA5+CLK27M

 

 

 

IDE_DATA4+FP_VDD_ON

IDE_DATA3+TFTD12

ACK#+TFTDE+VOPCK

IDE_DATA2+TFTD14

AFD#/DSTRB#+TFTD2+VOPD1

IDE_DATA1+TFTD16

BUSY/WAIT#+TFTD3+VOPD2

IDE_DATA0+TFTD6

ERR#+TFTD4+VOPD3

IDE_IOR0#+TFTD10

INIT#+TFTD5+VOPD4

IDE_IOW0#+TFTD9

PD7+TFTD13

IDE_CS0#+TFTD5

PD6+TFTD1+VOPD0

IDE_CS1#+TFTDE

PD[5:0]+TFTD[11:6]+VOPD[7:5]

IDE_IORDY0+TFTD11

PE+TFTD14

IDE_DREQ0+TFTD8

SLCT+TFTD15

IDE_DACK0#+TFTD0

SLIN#/ASTRB#+TFTD16

IDE_RST#+TFTDCK

STB#/WRITE#+TFTD17

IRQ14+TFTD1

 

VPD[7:0]

 

VPCKIN

 

TV Interface

CRT Interface

IDE/TFT Interface

Note: Straps are not the default signal, shown with system signals for reader convenience. However, also listed in figure with the appropriate functional group.

Figure 3-1. Signal Groups

AMD Geode™ SC1200/SC1201 Processor Data Book

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AMD manual AMD Geode, SC1200/SC1201, Processor, TV Interface CRT Interface IDE/TFT Interface, Signal Definitions 32579B