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ACPI 2.0 Compliant |
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High Performance 8051
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2.5X average instruction execution speed improvement over the entire instruction set; i.e., typical 4-clock instruction cycle in high-performance 8051 vs. 12-clock instruction cycle in standard 8051. |
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Faster clock speed: 32 MHz vs.16 MHz in standard 8051. |
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Dual Data Pointers |
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More Interrupts: Power-Fail, External Interrupt 2, External Interrupt 3, etc. |
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A set of External Memory/Mapped Control Registers provides the 80C51 core with the ability to directly control many functional blocks of the SCH5617. |
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384 Bytes of RAM as part of the 8051 core |
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4k Bytes Data RAM (869 bytes may be used to patch ROM code) |
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Twelve Interrupt Sources |
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Watch Dog Timer (WDT) |
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PECI Interface |
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Temperature Monitor
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Monitoring of up to Two Remote Thermal Diodes |
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Supports temperature readings from -63 degrees to +192 degrees
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Supports monitoring of discrete diodes (3904 type diodes) |
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Supports monitoring substrate diodes (45nm & 65nm processor diodes) |
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1/8th degree temperature resolution |
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Internal Ambient Temperature Measurement |
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Limit Comparison of all Monitored Values |
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PROCHOT_IN# Pin
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Mapped into Temperature monitoring interrupt
generation logic |
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May be used to adjust fan control limits |
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May be configured to force fans on full |
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PROCHOT_OUT Pin |
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Auto-Fan Control with ProcHot Features
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PWM (Pulse width Modulation) Outputs (3)
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Legacy PWM control dc fan outputs |
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High Frequency PWM Options (15kHz up to 30kHz) |
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2 second delayed start-up for PWM outputs |
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Fan Tachometer or Lock Rotor Inputs (3) |
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Programmable linear automatic fan control based on temperature |
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Acoustic enhancement mode |
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ProcHot pins modulate Tmin |
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Fan PWM duty cycle is a function in linear mode of multiple temperatures and ProcHot signals |
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PWM Ramp Rate Closed Loop Control
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Internal Ring Oscillator for VTR Powered Logic |
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Low Battery Warning |
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LED Control |
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SMBus Isolation Logic |
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Programmable Wake-up Event Interface |
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PC2001 Compliant |
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General Purpose Input/Output Pins (30 Host controlled, 16 8051 controlled) |
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21 Dedicated Scratchpad registers |
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ISA Plug-and-Play Compatible Register Set |
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System Management Interrupt |
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GLUE Logic
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IDE Reset/Buffered PCI Reset Outputs |
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Power OK Signal Generation |
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Power Sequencing |
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Power Supply Turn On Circuitry |
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Resume Reset Signal Generation |
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Hard Drive Front Panel LED |
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2.88MB Super I/O Floppy Disk Controller
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Licensed CMOS 765B Floppy Disk Controller |
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Software and Register Compatible
with SMSC's Proprietary 82077AA Compatible Core |
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Supports Two Floppy Drives |
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Configurable Open Drain/Push-Pull
Output Drivers |
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Supports Vertical Recording Format |
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16-Byte Data FIFO |
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100% IBM Compatibility |
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Detects All Overrun and Underrun
Conditions |
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Sophisticated Power Control Circuitry
(PCC) Including Multiple Powerdown Modes for Reduced
Power Consumption |
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DMA Enable Logic |
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Data Rate and Drive Control Registers |
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480 Address, Up to Eight IRQ and Four
DMA Options |
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Enhanced Digital Data Separator |
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2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps,
250 Kbps Data Rates |
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Programmable Precompensation Modes |
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Keyboard Controller
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8042 Software Compatible |
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8 Bit Microcomputer |
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2k Bytes of Program ROM |
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256 Bytes of Data RAM |
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Four Open Drain Outputs Dedicated
for Keyboard/Mouse Interface |
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Asynchronous Access to Two Data Registers and One
Status Register |
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Supports Interrupt and Polling Access |
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8 Bit Counter Timer |
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Port 92 Support |
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Fast Gate A20 and KRESET Outputs |
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Serial Ports
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Two Full Function Serial Ports |
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High Speed NS16C550A Compatible UARTs
with Send/Receive 16-Byte FIFOs |
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Supports 230k and 460k Baud |
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Programmable Baud Rate Generator
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Supports all standard baud rates up to 115k bps |
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Supports non-standard baud rates of 230k and 460k bps |
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Modem Control Circuitry |
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480 Address and 15 IRQ Options |
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Infrared Port
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Multi protocol Infrared Interface |
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IrDA 1.0 Compliant |
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SHARP ASK IR |
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480 Address, Up to 15 IRQ |
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Multi-Mode™ Parallel Port with ChiProtect™
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Standard Mode IBM PC/XT®, PC/AT®, and
PS/2™ Compatible Bidirectional Parallel Port |
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Enhanced Parallel Port (EPP) Compatible
- EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant) |
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IEEE 1284 Compliant Enhanced Capabilities
Port (ECP) |
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ChiProtect Circuitry for Protection |
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960 Address, Up to 15 IRQ and Four
DMA Options |
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LPC Interface
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Multiplexed Command, Address and Data Bus |
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Serial IRQ Interface Compatible with Serialized IRQ
Support for PCI Systems |
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PME Interface |
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Power Good Output |
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3.3 Volt I/O |
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128 Pin QFP Lead-Free RoHS Compliant Package |
