SCH5627 Desktop Embedded Controller with Fan Control, Hardware Monitoring and PECI - Built-in ADC supports temperature readings Product Features from -63 degrees Celsius to +192 degrees High Performance Embedded Controller (EC) Celsius ACPI 2.0 Compliant Supports monitoring of discrete diodes (3904 PC2001 Compliant type diodes) Supports monitoring substrate diodes (45nm & LPC Interface 65nm processor diodes) - Supports LPC Bus frequencies of 19MHz to - Temperature resolution is 0.125 degrees Cel- 33MHz sius - Multiplexed Command, Address and Data - Internal Ambient Temperature Measurement Bus - Out-of-limit Temperature Event reporting - Serial IRQ Interface Compatible with Serial- Bi-directional PROCHOT Pin ized IRQ Support for PCI Systems - Interrupt generation for PROCHOT Assert - PME Interface events 3.3-Volt I/O - May be used by AMTA and PTTA features to 128-pin QFP RoHS Compliant Package adjust fan control limits System Watch Dog Timer (WDT) - May be configured to force fans on full Battery Backed Resources - Supports PROCHOT Assertions to external - Power-Fail Status Register CPU - VBat backed 64 byte memory - Supports PROCHOT Throttle Events to Two EC-based SMBus 2.0 Host Controllers external CPU - Allows Master or Dual Slave Operation - Supports Interrupt Event to Host - Controllers are Fully Operational on Standby Voltage Monitor Power - Monitoring VBAT, VTR,VCC and Vtt power 2 - DMA-driven I C Network Layer supplies 2 -I C Datalink Compatibility Mode - Monitoring of one external voltage - Multi-Master Capable - Limit comparison on monitored values - Supports Clock Stretching PWM (Pulse width Modulation) Outputs (4) - Programmable Bus Speeds - Multiple Clock Rates - 400 KHz Capable - 16-bit ON and 16-bit OFF Counters - Hardware Bus Access Fairness Interface Fan tachometer Inputs (4) - Detects SMBus Time-outs - Programmable to monitor standard tachome- ter outputs or locked rotor alarm outputs - One controller can be multiplexed onto a low voltage SMBus - Generate tachometer event when speed of fan drops below programmed limit PECI Interface 2.0 Internal clock sources - Supports PECI REQUEST and PECI READY signaling - A Ring Oscillator generates 64 MHz clock - Supports up to 2 CPUs and 4 domains - SIO clocks derived from a 96MHz PLL syn- chronized to a 14.318MHz clock input Temperature reading from PCH over SMBus - Main ring generates 32kHz standby clock Temperature reading from AMD-TSI over SMBus when external 32.768KHz clock source is off Temperature Monitor Low Battery Warning - Monitoring up to 2 Remote Thermal Diodes LED Control plus an Anti-Parallel Remote Thermal Diode - Two LEDs to indicate system state 2014 Microchip Technology Inc. DS00001731A-page 1SCH5627 Programmable Wake-up Event Interface Keyboard Controller General Purpose Input/Output Pins (60 total) - 8042 Software Compatible System Management Interrupt (SMI) - 8 Bit Microcomputer GLUE Logic - 2k Bytes of Program ROM - 4 Buffered PCI Reset Outputs - 256 Bytes of Data RAM - Power OK Signal Generation - Four Open Drain Outputs Dedicated for Key- board/Mouse Interface - Power Sequencing - Asynchronous Access to Two Data Registers - Power Supply Turn On Circuitry and One Status Register - Resume Reset Signal Generation - Supports Interrupt and Polling Access - Speaker output - 8 Bit Counter Timer - Intrusion Detection - Port 92 Support 2.88MB Super I/O Floppy Disk Controller - Fast Gate A20 and KRESET Outputs - Licensed CMOS 765B Floppy Disk Controller Serial Ports - Software and Register Compatible with - Two Full Function Serial Ports Microchip s Proprietary 82077AA Compatible Core - High Speed NS16C550A Compatible UARTs with Send/Receive 16-Byte FIFOs - Configurable Open Drain/Push-Pull Output Drivers - Programmable Baud Rate Generator - Supports Vertical Recording Format - Modem Control Circuitry - 16-Byte Data FIFO - Any LPC Address Configurable. 15 IRQ Options - 100% IBM Compatibility Multi-Mode Parallel Port with ChiProtect - Detects All Overrun and Underrun Conditions , - Standard Mode IBM PC/XT PC/AT , and - Sophisticated Power Control Circuitry (PCC) PS/2 Compatible Bi-directional Parallel Including Multiple Powerdown Modes for Port Reduced Power Consumption - Enhanced Parallel Port (EPP) Compatible - - DMA Enable Logic EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant) - Data Rate and Drive Control Registers - IEEE 1284 Compliant Enhanced Capabilities - 480 Address, Up to Eight IRQ and Four DMA Port (ECP) Options - ChiProtect Circuitry for Protection Enhanced Digital Data Separator - 960 Addresses, Up to 15 IRQ and Four DMA - 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data Options Rates - Programmable Precompensation Modes DS00001731A-page 2 2014 Microchip Technology Inc.