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SCH3112 Datasheet(PDF) 1 Page - SMSC Corporation |
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SCH3112 Datasheet(HTML) 1 Page - SMSC Corporation |
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1 / 396 page  SMSC SCH311X DATASHEET Rev 0.2 (09-28-04) Datasheet PRODUCT FEATURES SCH3112, SCH3114, SCH3116 LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports ■ General Features — 3.3 Volt Operation (SIO Block is 5 Volt Tolerant) — Low Pin Count Bus (LPC) Interface — Programmable Wake-up Event (PME) Interface — PC99, PC2001 Compliant — ACPI 2.0 Compliant — Serial IRQ Interface Compatible with Serialized IRQ Support for PCI Systems — ISA Plug-and-Play Compatible Register Set — Four Address Options for Power On Configuration Port — System Management Interrupt (SMI) — 40 General Purpose I/O pins — 6 GPIO with VID compatible inputs — Support for power button on PS/2 Keyboard — Security Key Register (32 byte) for Device Authentication ■ Watchdog Timer ■ Resume and Main Power Good Generator ■ Programmable Clock Output to 16 HZ. ■ 2.88MB Super I/O Floppy Disk Controller — Licensed CMOS 765B Floppy DiskController — Supports Two Floppy Drives — Configurable Open Drain/Push-Pull — 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 — Support FDD Interface on Parallel Port Pins ■ Enhanced Digital Data Separator — 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbp 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 Keyboard/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 — Phoenix Keyboard BIOS ROM ■ Multiple Serial Ports — SCH3112 - 2 Full Function Serial Ports — SCH3114 - 4 Full Function Serial Ports — SCH3116 - 4 Full Function and 2 Four-Pin Serial Ports — High Speed NS16C550A Compatible UARTs with — Send/Receive 16-Byte FIFOs — Supports 230k, 460k, 921k and 1.5M Baud — Programmable Baud Rate Generator — Modem Control Circuitry — 480 Address and 15 IRQ Options — Support IRQ Sharing among serial ports — RS485 Auto Direction Control Mode ■ Infrared Port — Multiprotocol Infrared Interface — IrDA 1.0 Compliant — SHARP ASK IR — 480 Addresses, Up to 15 IRQ ■ Multi-Mode™ Parallel Port with ChiProtect™ — Standard Mode IBM PC/XT®, PC/AT®, and PS/2™ Compatible Bi-directional Parallel Port — Enhanced Parallel Port (EPP) Compatible - EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant) — EEE 1284 Compliant Enhanced Capabilities Port (ECP) — ChiProtect Circuitry for Protection — 960 Address, Up to 15 IRQ and Four DMA Options ■ Hardware Monitor — Monitor Power supplies (+2.5V, +5V, +12V, Vccp (processor voltage), VCC, Vbat and Vtr. — Remote Thermal Diode Sensing for Two External Temperature Measurements accurate to 1.5oC — Internal Ambient Temperature Measurement — Limit Comparison of all Monitored Values — Programmable Automatic FAN control based on temperature — nHWM_INT Pin for out-of-limit Temperature or Voltage Indication — Configurable offset for internal or external temperature channels — Thermtrip signal for over temperature indication ■ IDE Reset Output and 3 PCI Reset Buffers with Software Control Capability (SCH3112 and SCH3114 Only) ■ Power Button Control and AC Power Failure Recovery (SCH3112 and SCH3114 Only) ■ Industrial (+85°C to -40°C) Temperature Range ■ 128 Pin VTQFP Package |
Similar Part No. - SCH3112 |
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Similar Description - SCH3112 |
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