SC2200 datasheet(3/433 Pages) NSC

3 / 433 page

Revision 3.0

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Core Logic Module

s Audio Codec Interface:

— AC97/AMC97 (Rev. 2.0) codec interface

— Legacy audio emulation using XpressAUDIO

— Six DMA channels

s PC/AT Functionality:

— Programmable Interrupt Controller (PIC),

8259A-equivalent

— Programmable Interval Timer (PIT), 8254-equivalent

— DMA Controller (DMAC), 8237-equivalent

s Power Management:

— ACPI 1.0 compliant

— Sx state control of three power planes

— Cx/Sx state control of clocks and PLLs

— Thermal event input

— Wakeup event support:

– Three general-purpose events

– AC97 codec event

– UART2 RI# signal

–Infrared (IR) event

s General Purpose I/Os (GPIOs):

— 27 multiplexed GPIO signals

s Low Pin Count (LPC) Bus Interface:

— Specification version 1.0 compatible

s PCI Bus Interface:

— PCI version 2.1 compliant with wakeup capability

— 32-Bit data path, up to 33 MHz

— Glueless interface for an external PCI device

— Fixed priority

— 3.3V signal support only

s Sub-ISA Bus Interface:

— Up to16MBaddressing

— Supports a chip select for ROM or Flash EPROM

boot device

— Supports either:

– M-Systems DiskOnChip DOC2000 Flash file

system

– NAND EEPROM

— Supports up to two chip selects for external I/O

devices

— 8-Bit (optional 16-bit) data bus width

— Shares balls with PCI signals

— Is not a subtractive agent

s IDE Interface:

— Two IDE channels for up to four external IDE devices

— Supports ATA-33 synchronous DMA mode transfers,

up to 33 MB/s

s Universal Serial Bus (USB):

— USB OpenHCI 1.0 compliant

— Three ports

SuperI/O Module

s Real-Time Clock (RTC):

— DS1287, MC146818 and PC87911 compatible

— Multi-century calendar

s ACCESS.bus (ACB) Interface:

— Two ACB interface ports

s Parallel Port:

— EPP 1.9 compliant

— IEEE 1284 ECP compliant, including level 2

s Serial Port (UART):

— UART1, 16550A compatible (SIN, SOUT, BOUT

pins), used for SmartCard interface

— UART2, 16550A compatible

— Enhanced UART with fast Infrared (IR)

Other Features

s High-Resolution Timer:

— 32-Bit counter with 1

µs count interval

s WATCHDOG Timer:

— Interfaces to INTR, SMI, Reset

s Clocks:

— Input (external crystals):

– 32.768 KHz (internal clock oscillator)

– 27 MHz (internal clock oscillator)

—Output:

– AC97clock (24.576MHz)

– Memory controller clock (66 MHz to 100 MHz)

– PCI clock (33 MHz)

s JTAG Testability:

— Bypass, Extest, Sample/Preload, IDcode, Clamp, HiZ

s Voltages

— Internal logic: 233/266 MHz @ 1.8V and

300 MHz @ 2.0V

— Battery: 3V

— I/O: 3.3V

— Standby: 3.3V

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