Datasheet > SCH3112

SCH3112

更新时间： 2024-09-18 14:54:11

品牌	Logo	应用领域
美国微芯 - MICROCHIP		PC
页数	文件大小	规格书
329页	2000K
描述
The SCH3112/SCH3114/SCH3116 Product?Family is a 3.3V (Super I/O Block is 5V tolerant) PC99/PC200

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SCH3112 数据手册

SCH3112/SCH3114/SCH3116

LPC IO with 8042 KBC, Reset Generation, HWM and

Multiple Serial Ports

• Enhanced Digital Data Separator

Product Features

- 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250

Kbp Data Rates

• General Features

- 3.3 Volt Operation (SIO Block is 5 Volt Toler-

ant)

- Programmable Precompensation Modes

• Keyboard Controller

- Programmable Wake-up Event (PME) Inter-

face

- 8042 Software Compatible

- 8 Bit Microcomputer

- PC99, PC2001 Compliant

- ACPI 2.0 Compliant

- 2k Bytes of Program ROM

- 256 Bytes of Data RAM

- Serial IRQ Interface Compatible with Serial-

ized IRQ Support for PCI Systems

- Four Open Drain Outputs Dedicated for Key-

board/Mouse Interface

- ISA Plug-and-Play Compatible Register Set

- Asynchronous Access to Two Data Registers

and One Status Register

- Four Address Options for Power On Configu-

ration Port

- Supports Interrupt and Polling Access

- 8 Bit Counter Timer

- System Management Interrupt (SMI)

- 40 General Purpose I/O pins

- Port 92 Support

- 6 GPIO with VID compatible inputs

- Support for power button on PS/2 Keyboard

- Fast Gate A20 and KRESET Outputs

- Phoenix Keyboard BIOS ROM

• Multiple Serial Ports

- Security Key Register (32 byte) for Device

Authentication

- SCH3112 - 2 Full Function Serial Ports

- SCH3114 - 4 Full Function Serial Ports

• Low Pin Count Bus (LPC) Interface

- Supports LPC Bus frequencies of 19MHz to

33MHz

- SCH3116 - 4 Full Function and 2 Four-Pin

Serial Ports

• Watchdog Timer

- High Speed NS16C550A Compatible UARTs

with

• Resume and Main Power Good Generator

• Programmable Clock Output to 16 HZ.

• 2.88MB Super I/O Floppy Disk Controller

- Licensed CMOS 765B Floppy Disk Controller

- Supports Two Floppy Drives

- Send/Receive 16-Byte FIFOs

- Supports 230k, 460k, 921k and 1.5M Baud

- Programmable Baud Rate Generator

- Modem Control Circuitry

- Configurable Open Drain/Push-Pull

- Supports Vertical Recording Format

- 16-Byte Data FIFO

- 480 Address and 15 IRQ Options

- Support IRQ Sharing among serial ports

- RS485 Auto Direction Control Mode

• Infrared Port

- 100% IBM® Compatibility

- Detects All Overrun and Underrun Conditions

- Multiprotocol Infrared Interface

- IrDA 1.0 Compliant

- Sophisticated Power Control Circuitry (PCC)

Including Multiple Powerdown Modes for

Reduced Power Consumption

- SHARP ASK IR

- DMA Enable Logic

- 480 Addresses, Up to 15 IRQ

• Multi-Mode™ Parallel Port with ChiProtect™

- Data Rate and Drive Control Registers

- 480 Address, Up to Eight IRQ and Four DMA

Options

- Standard Mode IBM PC/XT^®,PC/AT^®, and

PS/2™ Compatible Bi-directional Parallel

Port

- Support FDD Interface on Parallel Port Pins

- Enhanced Parallel Port (EPP) Compatible -

EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant)

 2014 Microchip Technology Inc.

DS00001872A-page 1

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与SCH3112相关器件

型号	品牌	获取价格	描述	数据表
SCH3112_06	SMSC	获取价格	LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
SCH3112_07	SMSC	获取价格	LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
SCH3112I-NE	SMSC	获取价格	LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
SCH3112I-NU	SMSC	获取价格	LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
SCH3112-NE	SMSC	获取价格	Multifunction Peripheral, CMOS, PQFP128, VTQFP-128
SCH3112-NU	SMSC	获取价格	LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
SCH3114	SMSC	获取价格	LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
SCH3114	MICROCHIP	获取价格	The SCH3114 is a 3.3V (Super I/O Block is 5V tolerant) PC99/PC2001 compliant Super?I/O c
SCH3114I-NE	SMSC	获取价格	LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
SCH3114I-NU	SMSC	获取价格	LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports

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