SCH5627P Desktop Embedded Controller with Fan Control, Hardware Monitoring and PECI Temperature Monitor Highlights - Monitoring up to 2 Remote Thermal Diodes High Performance Embedded Controller (EC) plus an Anti-Parallel Remote Thermal Diode ACPI 2.0 Compliant - Built-in ADC supports temperature readings PC2001 Compliant from -63 degrees Celsius to +192 degrees LPC Interface Celsius - Supports LPC Bus frequencies of 19MHz to Supports monitoring of discrete diodes (3904 type diodes) 33MHz Supports monitoring substrate diodes (45nm & - Multiplexed Command, Address and Data 65nm processor diodes) Bus - Temperature resolution is 0.125 degrees Cel- - Serial IRQ Interface Compatible with Serial- sius ized IRQ Support for PCI Systems - Internal Ambient Temperature Measurement - PME Interface - Out-of-limit Temperature Event reporting 3.3-Volt I/O Bi-directional PROCHOT Pin 128-pin QFP RoHS Compliant Package - Interrupt generation for PROCHOT Assert System Watch Dog Timer (WDT) events Battery Backed Resources - May be used by AMTA and PTTA features to - Power-Fail Status Register adjust fan control limits - VBat backed 64 byte memory - May be configured to force fans on full Extreme Low S5 - Supports PROCHOT Assertions to external - Enables power saving by shutting down CPU standby voltage regulators in system S5 state - Supports PROCHOT Throttle Events to - System wake from power button press external CPU - System wake from LAN - Supports Interrupt Event to Host Two EC-based SMBus 2.0 Host Controllers Voltage Monitor - Allows Master or Dual Slave Operation - Monitoring VBAT, VTR,VCC and Vtt power - Controllers are Fully Operational on Standby supplies Power - Monitoring of one external voltage 2 - DMA-driven I C Network Layer - Limit comparison on monitored values 2 C Datalink Compatibility Mode -I PWM (Pulse width Modulation) Outputs (4) - Multi-Master Capable - Multiple Clock Rates - Supports Clock Stretching - 16-bit ON and 16-bit OFF Counters - Programmable Bus Speeds Fan tachometer Inputs (4) - 400 KHz Capable - Programmable to monitor standard tachome- - Hardware Bus Access Fairness Interface ter outputs or locked rotor alarm outputs - Detects SMBus Time-outs - Generate tachometer event when speed of fan drops below programmed limit - One controller can be multiplexed onto a low voltage SMBus Internal clock sources PECI Interface 2.0 - A Ring Oscillator generates 64 MHz clock - Supports PECI REQUEST and PECI - SIO clocks derived from a 96MHz PLL syn- READY signaling chronized to a 14.318MHz clock input - Supports up to 2 CPUs and 4 domains - Main ring generates 32kHz standby clock when external 32.768KHz clock source is off Temperature reading from PCH over SMBus Low Battery Warning Temperature reading from AMD-TSI over SMBus 2009 - 2015 Microchip Technology Inc. DS00001996A-page 1SCH5627P LED Control Serial Ports - Two LEDs to indicate system state - Two Full Function Serial Ports Programmable Wake-up Event Interface - High Speed NS16C550A Compatible UARTs with Send/Receive 16-Byte FIFOs General Purpose Input/Output Pins (60 total) - Programmable Baud Rate Generator System Management Interrupt (SMI) - Modem Control Circuitry GLUE Logic - Any LPC Address Configurable. 15 IRQ - 4 Buffered PCI Reset Outputs Options - Power OK Signal Generation Multi-Mode Parallel Port with ChiProtect - Power Sequencing , - Standard Mode IBM PC/XT PC/AT , and - Power Supply Turn On Circuitry PS/2 Compatible Bi-directional Parallel - Resume Reset Signal Generation Port - Speaker output - Enhanced Parallel Port (EPP) Compatible - - Intrusion Detection EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant) 2.88MB Super I/O Floppy Disk Controller - IEEE 1284 Compliant Enhanced Capabilities - Licensed CMOS 765B Floppy Disk Controller Port (ECP) - Software and Register Compatible with - ChiProtect Circuitry for Protection Microchip s Proprietary 82077AA Compatible - 960 Addresses, Up to 15 IRQ and Four DMA Core Options - Configurable Open Drain/Push-Pull Output Drivers - Supports Vertical Recording Format - 16-Byte Data FIFO - 100% IBM Compatibility - Detects All Overrun and Underrun Conditions - Sophisticated Power Control Circuitry (PCC) Including Multiple Powerdown Modes for Reduced Power Consumption - DMA Enable Logic - Data Rate and Drive Control Registers - 480 Address, Up to Eight IRQ and Four DMA Options Enhanced Digital Data Separator - 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data Rates - Programmable Precompensation Modes Keyboard Controller - 8042 Software Compatible - 8 Bit Microcomputer - 2k Bytes of Program ROM - 256 Bytes of Data RAM - Four Open Drain Outputs Dedicated for Key- board/Mouse Interface - Asynchronous Access to Two Data Registers and One Status Register - Supports Interrupt and Polling Access - 8 Bit Counter Timer - Port 92 Support - Fast Gate A20 and KRESET Outputs DS00001996A-page 2 2009 - 2015 Microchip Technology Inc.