Datasheet > SCH3222

SCH3222

更新时间： 2024-09-18 02:52:15

品牌	Logo	应用领域
美国微芯 - MICROCHIP		PC
页数	文件大小	规格书
295页	3184K
描述
LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports

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中文翻译

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数据手册

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SCH3222 数据手册

SCH3227/SCH3226/SCH3224/SCH3222

LPC IO with 8042 KBC, Reset Generation, HWM and

Multiple Serial Ports

480 Address and 15 IRQ Options

Support IRQ Sharing among serial ports

RS485 Auto Direction Control Mode

Product Features

• General Features

3.3 Volt Operation (SIO Block is 5 Volt Tolerant)

Programmable Wake-up Event (PME) Interface

PC99, PC2001 Compliant

• Infrared Port

Multiprotocol Infrared Interface

IrDA 1.0 Compliant

ACPI 2.0 Compliant

SHARP ASK IR

Serial IRQ Interface Compatible with Serialized

IRQ Support for PCI Systems

480 Addresses, Up to 15 IRQ

• Multi-Mode™ Parallel Port with ChiProtect™

ISA Plug-and-Play Compatible Register Set

Four Address Options for Power On Configuration

Port

Available in SCH3227, SCH3224

Standard Mode IBM PC/XT®, PC/AT®, and PS/2™

Compatible Bi-directional ParallelPort

Enhanced Parallel Port (EPP) Compatible - EPP

1.7 and EPP 1.9 (IEEE 1284 Compliant)

IEEE 1284 Compliant Enhanced Capabilities Port

(ECP)

System Management Interrupt (SMI)

General Purpose I/O pins: 23 to 40

GPIOs with VID compatible inputs: 0 to 6

Support for power button on PS/2 Keyboard

Security Key Register (32 byte) for Device Authen-

tication

ChiProtect Circuitry for Protection

960 Address, Up to 15 IRQ and Four DMA Options

• Low Pin Count Bus (LPC) Interface

• Hardware Monitor

Supports Bus frequencies of 19MHz to 33MHz

Available in SCH3227, SCH3226, SCH3224

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 1.5°C

Internal Ambient Temperature Measurement

Limit Comparison of all Monitored Values

Programmable Automatic FAN control based on

temperature

• Watchdog Timer

• Resume and Main Power Good Generator

• Programmable Clock Output to 16 Hz

• Keyboard Controller

8042 Software Compatible

8 Bit Microcomputer

2k Bytes of Program ROM

256 Bytes of Data RAM

nHWM_INT Pin for out-of-limit Temperature or Volt-

age Indication

Four Open Drain Outputs Dedicated for Keyboard/

Mouse Interface

Thermtrip signal for over temperature indication

Asynchronous Access to Two Data Registers and

One Status Register

• IDE Reset Output and 3 PCI Reset Buffers with

Software Control Capability (SCH3227 and

SCH3226 by strap option)

Supports Interrupt and Polling Access

8 Bit Counter Timer

• Power Button Control and AC Power Failure

Recovery (SCH3227 and SCH3226 by strap

option)

Port 92 Support

Fast Gate A20 and KRESET Outputs

Phoenix Keyboard BIOS ROM

• Multiple Serial Ports

• Temperature Ranges Available

4 Full Function Serial Ports (SCH3227, SCH3226,

SCH3222)

Industrial (-40°C to +85°C)

Commercial (0°C to +70°C)

2 Full Function Serial Ports (SCH3224)

Two additional 4-pin Serial Ports available by strap

option (SCH3227, SCH3226)

•

WFBGA RoHS Compliant Packages

144-ball (SCH3227)

100-ball (SCH3226, SCH3224)

84-ball (SCH3222)

Two additional 4-pin Serial Ports available always

(SCH3224, SCH3222)

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

 2016-2017 Microchip Technology Inc.

DS00002121B-page 1

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中文翻译

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与SCH3222相关器件

型号	品牌	获取价格	描述	数据表
SCH3223	MICROCHIP	获取价格	The SCH3223 is a 3.3V Super I/O Controller with an LPC interface. It includes Hardware Mo
SCH3224	MICROCHIP	获取价格	LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
SCH3226	MICROCHIP	获取价格	LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
SCH3227	MICROCHIP	获取价格	LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
SCH4312-100	BEL	获取价格	General Purpose Inductor, 10uH, 20%, 1 Element, SMD, 2522, CHIP
SCH4312-120	BEL	获取价格	General Purpose Inductor, 12uH, 20%, 1 Element, SMD, 2522, CHIP
SCH4312-220	BEL	获取价格	General Purpose Inductor, 22uH, 20%, 1 Element, SMD, 2522, CHIP
SCH4312-390	BEL	获取价格	General Purpose Inductor, 39uH, 20%, 1 Element, SMD, 2522, CHIP
SCH4312-3R3	BEL	获取价格	General Purpose Inductor, 3.3uH, 20%, 1 Element, SMD, 2522, CHIP
SCH4312-470	BEL	获取价格	General Purpose Inductor, 47uH, 20%, 1 Element, SMD, 2522, CHIP

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