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S3C2510A Datasheet(PDF) 5 Page - Samsung semiconductor

Part No. S3C2510A
Description  16/32-bit RISC micro-controller is a cost-effective, high-performance micro-controller solution for Ethernet-based systems, for example
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Maker  SAMSUNG [Samsung semiconductor]
Homepage  http://www.samsung.com/Products/Semiconductor
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S3C2510A Datasheet(HTML) 5 Page - Samsung semiconductor

 
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S3C2510A
PRODUCT OVERVIEW
1-5
PCI & PC Card Host/Agent Controller
S3C2510A's PCI & PC Card Host/Agent Controller complies with the PCI Local Bus Specification rev. 2.2, PC
Card Standard Release 7.2, and various design guides. PCI & PC Card Controller connects the ARM940T
processor core and local system memory to the PCI bus or CardBus socket. The PCI bus or CardBus uses a 32-
bit multiplexed, address/data bus, and various control and error signals. Mis-aligned transfers are supported as
well as burst transfers at the maximum data rate of 264MB/s @66MHz (132MB/s @33MHz). S3C2510A can
function as a PCI(or CardBus) master(initiator) or target(slave), and function as PCI host bridge(or CardBus host
bus adapter) referred to as "host mode" or PCI device(or CardBus PC Card) referred to as "agent mode". In host
mode, it can be used as host/PCI bridge (or CardBus socket controller) on main board . But in agent mode, it can
be used as PCI device on PCI card or CardBus device on CardBus PC Card. The PCI & PC Card Host Controller
provides PCI bus arbitration for the S3C2510A and up to five other PCI bus masters (except PCI target-only
devices). It can be disabled to allow for external PCI arbiter (if more than five PCI bus masters will be connected).
The PCI & PC Card Host Controller has one integrated block for PCI interface and CardBus interface (common
silicon) and it supports only one interface as defined by PCI_PCCDM(PC Card Mode) pin. And PCI_HOSTM pin
signal forces PCI & PC Card Controller to operate in host mode or agent mode. Each modes can be set as
followings.
PCI Host Mode
PCI_PCCDM = 0, PCI_HOSTM=1
PCI Agent Mode
PCI_PCCDM = 0, PCI_HOSTM=0
CardBus PC Card Host Mode
PCI_PCCDM = 1, PCI_HOSTM=1, CardBus PC Card is inserted
16-bit PC Card (PCMCIA) Host Mode
PCI_PCCDM = 1, PCI_HOSTM=1, 16-bit PC Card is inserted
CardBus PC Card Agent Mode
PCI_PCCDM = 1, PCI_HOSTM=0
NOTE: Each mode is selected by PCI_PCCDM & PCI_HOSTM pin input and inserted card type
The PCI & PC Card Host/Agent Controller provides an address translation mechanism to map inbound PCI to local
memory or peripherals and outbound processor core or peripherals to PCI. Four independent 8-word deep FIFOs
are implemented for flow-through operation of PCI & PC Card read/write burst operation. And doorbell and mailbox
registers, CLKRUN# central resource control logic, integrated pull-up resistors are also implemented.
As a CardBus host mode, it supports only single PC Card slot and generates interface signals to PC Card power-
switch. CardBus Host Controller supports 16-bit PC Card (PCMCIA card) or CardBus PC Card. CardBus Host
Controller provides an address translation mechanism to map inbound PCI to local memory or peripherals and
outbound processor core or peripherals to PCI. Four independent 8-word deep FIFOs are implemented.
As a PCI/CardBus agent mode, it supports independent three address decoders and provides address translation
mechanism to map AHB local memory from PCI bus through three address bars and vice-versa. To support power
management, it complies with PCI Bus Power Management Interface Specification Rev. 1.1 and PCI Mobile
Design Guide Ver. 1.1. And also it supports DMA operation with two-channel dedicated DMA to enhance the
performance.


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