AMD Geode SC1200 Manuel d'utilisateur

www.national.comGeodeTMSC1200 Information Appliance on a ChipGeneral DescriptionThe Geode SC1200 device is a member of theNational IA on a Chip famil

1.0 Signal Definitions (Continued)10www.national.com1.1.5 Video Port (VP)1.1.6 NTSC/PAL TV InterfaceName Type DescriptionVPD[7:0] I Video Port Data. T

1.0 Signal Definitions (Continued)11www.national.com1.1.7 ACCESS.bus Interface1.1.8 PCI Bus InterfaceName Type DescriptionAB1C I/O ACCESS.bus 1 Serial

1.0 Signal Definitions (Continued)12www.national.comPAR I/O Parity. Parity generation is required by all PCI agents. The master drivesPAR for address-

1.0 Signal Definitions (Continued)13www.national.com1.1.9 Sub-ISA InterfaceLOCK I/O Lock operation. LOCK indicates an atomic operation that may requir

1.0 Signal Definitions (Continued)14www.national.com1.1.10 Low Pin Count (LPC) Bus Interface1.1.11 IDE InterfaceIOCHRDY I I/O Channel Ready.BHE O Byte

1.0 Signal Definitions (Continued)15www.national.com1.1.12 Universal Serial Bus (USB)1.1.13 Serial Ports (UARTs)IDE_IORDY0 I I/O Ready Channel 0. When

1.0 Signal Definitions (Continued)16www.national.com1.1.14 Parallel PortDTR1/BOUT1DTR2/BOUT2O Data Terminal Ready (DTRx). When low, indicate to the mo

1.0 Signal Definitions (Continued)17www.national.com1.1.15 Fast Infrared (IR) Port1.1.16 AC97 Audio InterfaceSLCT I Select. Set active high by the pri

1.0 Signal Definitions (Continued)18www.national.com1.1.17 Power Management1.1.18 General Purpose I/O (GPIO) Ports1.1.19 JTAGName Type DescriptionCLK3

1.0 Signal Definitions (Continued)19www.national.com1.1.20 Test and Measurement1.1.21 Power and GroundNote: All power sources must be connected to the

2www.national.comBlock DiagramClock &CPUMemoryControllerGX1Core LogicFast PCI BusX-Bus BridgePCI BusControllerPICDMACRTCUART1ResetLogicPowerManage

GeodeTMSC1200 Information Appliance on a ChipLIFE SUPPORT POLICYNATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORTD

3www.national.comFeaturesOutstanding Features• 32-bit x86 processor, up to 266 MHz, with MMXinstruction set support• Memory controller with 64-bit SDR

4Features (Continued)www.national.comVideo Input Port• Video capture or display• CCIR656 format• Lock display timing to video input timing (GenLock)•

5www.national.com1.0 Signal DefinitionsThis section defines the signals and describes the external interface of the SC1200 device. Figure 2-1 showsthe s

1.0 Signal Definitions (Continued)6www.national.com Figure 1. SC1200 Signal Groups (Cont’d)Serial{PortSIN2SOUT1/CLKSEL1GPIO07/RTS2GPIO08/CTS2GPIO18/DT

1.0 Signal Definitions (Continued)7www.national.com1.1.1 Functional Pin SummaryModule Pin CountSystem Signals 6System Memory Interface 99Video Port (V

1.0 Signal Definitions (Continued)8www.national.com1.1.2 Signal DescriptionsThe following tables contain descriptions of each signal of the SC1200 dev

1.0 Signal Definitions (Continued)9www.national.comMA[12:0] O Memory Address Bus. The multiplexed row/column address lines drivento the system memory.