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FDC37B72XのメーカーはSMSC Corporationです、この部品の機能は「128 Pin Enhanced Super I/O Controller」です。 |
部品番号 | FDC37B72X |
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部品説明 | 128 Pin Enhanced Super I/O Controller | ||
メーカ | SMSC Corporation | ||
ロゴ | |||
このページの下部にプレビューとFDC37B72Xダウンロード(pdfファイル)リンクがあります。 Total 30 pages
FDC37B72x
128 Pin Enhanced Super I/O Controller with
ACPI Support
FEATURES
• 5 Volt Operation
• PC98/99 and ACPI 1.0 Compliant
• Battery Back-up for Wake-Events
• ISA Host Interface
• ISA Plug-and-Play Compatible Register
Set
- 12 IRQ Options
- 15 Serial IRQ Options
- 16 Bit Address Qualification
- Four DMA Options
- 12mA AT Bus Drivers
• BIOS Buffer
• 20 GPI/O Pins
• 32 kHz Standby Clock Output
• Soft Power Management
• ACPI/PME Support
• SCI/SMI Support
- Watchdog timer
- Power Button Override Event
- Either Edge Triggered Interrupts
• Intelligent Auto Power Management
- Shadowed Write-only Registers
- Programmable Wake-up Event
Interface
• 8042 Keyboard Controller
- 2K Program ROM
- 256 Bytes Data RAM
- Asynchronous Access to Two Data
Registers and One Status Register
- Supports Interrupt and Polling
Access
- 8 Bit Timer/Counter
- Port 92 Support
- Fast Gate A20 and Hardware Keyboard
Reset
• 2.88MB Super I/O Floppy Disk Controller
- Relocatable to 480 Different Addresses
- Licensed CMOS 765B Floppy Disk
Controller
- Advanced Digital Data Separator
- SMSC's Proprietary 82077AA
Compatible Core
- Sophisticated Power Control Circuitry
(PCC) Including Multiple Powerdown
Modes for Reduced Power Consumption
- Supports Two Floppy Drives Directly
- Software Write Protect
- FDC on Parallel Port
- Low Power CMOS Design
- Supports Vertical Recording Format
- 16 Byte Data FIFO
- 100% IBM® Compatibility
- Detects All Overrun and Underrun
Conditions
- 24mA Drivers and Schmitt Trigger Inputs
• Enhanced FDC Digital Data Separator
- Low Cost Implementation
- No Filter Components Required
- 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps,
250 Kbps Data Rates
- Programmable Precompensation Modes
• Serial Ports
- Relocatable to 480 Different Addresses
1 Page TABLE OF CONTENTS
FEATURES ........................................................................................................................................... 1
GENERAL DESCRIPTION ................................................................................................................. 5
DESCRIPTION OF PIN FUNCTIONS............................................................................................... 7
BUFFER TYPE DESCRIPTIONS............................................................................... 10
GENERAL PURPOSE I/O PINS .......................................................................................................11
REFERENCE DOCUMENTS ............................................................................................................12
FUNCTIONAL DESCRIPTION ..........................................................................................................14
SUPER I/O REGISTERS ........................................................................................... 14
HOST PROCESSOR INTERFACE............................................................................ 14
FLOPPY DISK CONTROLLER .........................................................................................................15
FDC INTERNAL REGISTERS...........................................................................................................15
COMMAND SET/DESCRIPTIONS ...................................................................................................38
INSTRUCTION SET............................................................................................................................41
DATA TRANSFER COMMANDS ............................................................................... 53
CONTROL COMMANDS ........................................................................................... 62
SERIAL PORT (UART).......................................................................................................................69
INFRARED INTERFACE ........................................................................................... 85
PARALLEL PORT ...............................................................................................................................86
IBM XT/AT COMPATIBLE, BI-DIRECTIONAL AND EPP MODES ............................ 88
EXTENDED CAPABILITIES PARALLEL PORT .............................................................................94
OPERATION ............................................................................................................ 102
PARALLEL PORT FLOPPY DISK CONTROLLER ......................................................................107
POWER MANAGEMENT .................................................................................................................109
UART POWER MANAGEMENT .............................................................................. 113
PARALLEL PORT .................................................................................................... 113
INTERNAL PWRGOOD ........................................................................................... 113
32.768 KHZ STANDBY CLOCK OUTPUT ................................................................ 114
SERIAL IRQ .......................................................................................................................................115
BIOS BUFFER ...................................................................................................................................120
GENERAL PURPOSE I/O................................................................................................................121
DESCRIPTION......................................................................................................... 121
RUN STATE GPIO DATA REGISTER ACCESS...................................................... 122
GPIO CONFIGURATION ......................................................................................... 122
WATCH DOG TIMER .......................................................................................................................126
3
3Pages PD7
VSS
SLCT
PE
BUSY
nACK
nERROR
nALF
nSTROBE
RXD1
TXD1
nDSR1
nRTS1/SYSOP
nCTS1
nDTR1
nRI1
nDCD1
nRI2
VCC
nDCD2
RXD2/IRRX
TXD2/IRTX
nDSR2
nRTS2
nCTS2
nDTR2
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
FDC37M72x
128 Pin QFP
64 IOCHRDY
63 TC
62 VCC
61 DRQ3
60 nDACK3
59 DRQ2
58 nDACK2
57 DRQ1
56 nDACK1
55 DRQ0
54 nDACK0
53 RESET_DRV
52 SD7
51 SD6
50 SD5
49 SD4
48 VSS
47 SD3
46 SD2
45 SD1
44 SD0
43 AEN
42 nIOW
41 nIOR
40 SER_IRQ/IRQ15
39 PCI_CLK/IRQ14/GP50
FIGURE 1 - FDC37B72x PIN CONFIGURATION
6
6 Page | |||
ページ | 合計 : 30 ページ | ||
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PDF ダウンロード | [ FDC37B72X データシート.PDF ] |
データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
部品番号 | 部品説明 | メーカ |
FDC37B72X | 128 Pin Enhanced Super I/O Controller | SMSC Corporation |