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Part Number: PC87317VUL
Description: The PC87317VUL/PC97317VUL are functionally identical parts that offer a single-chip solution to the mo...
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PC87317VUL
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General Description
PC87317VUL General Description
The PC87317VUL/PC97317VUL are functionally identical parts that offer a single-chip solution to the most commonly used ISA, EISA and MicroChannel® peripherals. This fully Plug and Play (PnP) compatible chip conforms to the Plug and Play ISA Specification Version 1.0a, May 5, 1994, and meets specifications defined in the PC97 Hardware Design Guide. It features a Controller/Extender that is fully compliant with Advanced Configuration and Power Interface (ACPI) Revision 1.0 requirements. Note: All references to the PC87317VUL in this document also refer to the PC97317VUL, unless otherwise specified. References which are applicable to the PC97317VUL only are italicized.
The PC87317VUL incorporates: an advanced Real-Time Clock (RTC) device that provides both RTC timekeeping and Advanced Power Control (APC) functionality, a Floppy Disk Controller (FDC), a Keyboard and Mouse Controller (KBC), two enhanced Serial Ports (UARTs) with Infrared (IR) support, a full IEEE 1284 Parallel Port, 24 General-Purpose Input/ Output (GPIO) bit ports, three general-purpose chip select signals that can be programmed for game port control and a separate configuration register set for each module.
The PC87317VUL provides a LED drive output to comply with PC97 specifications. The chip also provides support for
Power Management (PM), including a WATCHDOGä timer, and standard PC-AT address decoding for on-chip functions.
The PC87317VUL Infrared (IR) interface complies with the HP-SIR and SHARP-IR standards, and supports all four basic protocols for Consumer Remote Control circuitry (RC-5, RC-5 extended, RECS80 and NEC).
PC87317VUL Maximum Ratings
|
Symbol |
Paramete |
Conditions |
Min |
Max |
Unit |
|
VDD |
Supply Voltage |
-0.5 |
6.5 |
V | |
|
VI
|
Input Voltage
|
-0.5 |
VDD+ 0.5 |
V | |
| VO |
Output Voltage |
-0.5 |
VDD + 0.5 |
V | |
|
TSTG |
Storage Temperature |
-65 |
+165 |
°C | |
|
PD |
Power Dissipation |
1 |
W | ||
|
TL |
Lead Temperature Soldering (10 s) |
+260 |
°C | ||
|
ESD Tolerance |
CZAP = 100 pF RZAP = 1.5 KNote 1. |
2000 |
V |
PC87317VUL Features
`100% compatibility with PnP requirements specified in the "Plug and Play ISA Specification", ISA, EISA, and MicroChannel architectures
` A special PnP module that includes:
- Flexible IRQs, DMAs and base addresses that meet the PnP requirements specified by Microsoft® in their 1995 hardware design guide for Windows® and PnP ISA Revision 1.0A
- PnP ISA mode (with isolation mechanism Wait for Key state)
- Motherboard PnP mode
`An FDC that provides:
- A modifiable address that is referenced by a 16-bit programmable register
- Software compatibility with the PC8477, which contains a superset of the floppy disk controller functions in the mDP8473, the NEC mPD765A and the N82077
- 13 IRQ channel options
- Four 8-bit DMA channel options
- 16-byte FIFO
- Burst and non-burst modes
- A new, high-performance, internal, digital data separator that does not require any external filter components
- Support for standard 5.25" and 3.5" floppy disk drives
- Automatic media sense support
- Perpendicular recording drive support
- Three-mode Floppy Disk Drive (FDD) support
- Full support for the IBM Tape Drive Register (TDR) implementation of AT and PS/2 drive types
` A KBC with:
- A modifiable address that is referenced by a 16-bit programmable register, reported as a fixed address in resource data
- 13 IRQ options for the Keyboard Controller
- 13 IRQ options for the Mouse Controller
- An 8-bit microcontroller
- Software compatibility with 8042AH and PC87911 microcontrollers
- 2 KB of custom-designed program ROM
- 256 bytes of RAM for data
- Five programmable dedicated open drain I/O lines for keyboard controller applications
- Asynchronous access to two data registers and one status register during normal operation
- Support for both interrupt and polling
- 93 instructions
- An 8-bit timer/counter
- Support for binary and BCD arithmetic
- Operation at 8 MHz,12 MHz or 16 MHz (programmable option)
- Customizing by using the PC87323VUL, which includes a RAM-based KBC, as a development platform for keyboard controller code for the PC87317VUL
` An RTC that has:
- A modifiable address that is referenced by a 16-bit programmable register
- 13 IRQ options, with programmable polarity
- DS1287, MC146818 and PC87911 compatibility
- 242 bytes of battery backed up CMOS RAM in two banks
- Selective lock mechanisms for the RTC RAM
- Battery backed up century calendar in days, day of the week, date of month, months, years and century, with automatic leap-year adjustment
- Battery backed-up time of day in seconds, minutes and hours that allows a 12 or 24 hour format and adjustments for daylight savings time
- BCD or binary format for time keeping
- Three different maskable interrupt flags:
• Periodic interrupts - At intervals from 122 msec to 500 msec
• Time-of-Month alarm - At intervals from once per second to once per Month
• Updated Ended Interrupt - Once per second upon completion of update
- Separate battery pin, 2.4 V operation that includes an internal UL protection resistor
- 2 mA maximum power consumption during power down
- Double-buffer time registers
` ACPI Controller/Extender that supports the requirements of the ACPI spec (rev 1.0):
- Power Management Timer
- Power Button
- Real Time Clock Alarm
- Suspend modes via software emulation
- PnP SCI
- Global Lock mechanism
- General Purpose events
- Date of Month Alarm
- Century byte
` An APC that controls the main power supply to the system, using open-drain output, as follows: Power turned on when:
- The RTC reaches a pre-determined wake-up century, date and time selection
- A high to low transition occurs on the RI input signals of the UARTs
- A ring pulse or pulse train is detected on the RING input signal
- A SWITCH input signal indicates a Switch On event with a debounce-protection
- Any one of seven programmable Power Management external trigger events occur Powered turned off when:
- A SWITCH input signal indicates a Switch Off event
` A special PnP module that includes:
- Flexible IRQs, DMAs and base addresses that meet the PnP requirements specified by Microsoft® in their 1995 hardware design guide for Windows® and PnP ISA Revision 1.0A
- PnP ISA mode (with isolation mechanism Wait for Key state)
- Motherboard PnP mode
`An FDC that provides:
- A modifiable address that is referenced by a 16-bit programmable register
- Software compatibility with the PC8477, which contains a superset of the floppy disk controller functions in the mDP8473, the NEC mPD765A and the N82077
- 13 IRQ channel options
- Four 8-bit DMA channel options
- 16-byte FIFO
- Burst and non-burst modes
- A new, high-performance, internal, digital data separator that does not require any external filter components
- Support for standard 5.25" and 3.5" floppy disk drives
- Automatic media sense support
- Perpendicular recording drive support
- Three-mode Floppy Disk Drive (FDD) support
- Full support for the IBM Tape Drive Register (TDR) implementation of AT and PS/2 drive types
` A KBC with:
- A modifiable address that is referenced by a 16-bit programmable register, reported as a fixed address in resource data
- 13 IRQ options for the Keyboard Controller
- 13 IRQ options for the Mouse Controller
- An 8-bit microcontroller
- Software compatibility with 8042AH and PC87911 microcontrollers
- 2 KB of custom-designed program ROM
- 256 bytes of RAM for data
- Five programmable dedicated open drain I/O lines for keyboard controller applications
- Asynchronous access to two data registers and one status register during normal operation
- Support for both interrupt and polling
- 93 instructions
- An 8-bit timer/counter
- Support for binary and BCD arithmetic
- Operation at 8 MHz,12 MHz or 16 MHz (programmable option)
- Customizing by using the PC87323VUL, which includes a RAM-based KBC, as a development platform for keyboard controller code for the PC87317VUL
` An RTC that has:
- A modifiable address that is referenced by a 16-bit programmable register
- 13 IRQ options, with programmable polarity
- DS1287, MC146818 and PC87911 compatibility
- 242 bytes of battery backed up CMOS RAM in two banks
- Selective lock mechanisms for the RTC RAM
- Battery backed up century calendar in days, day of the week, date of month, months, years and century, with automatic leap-year adjustment
- Battery backed-up time of day in seconds, minutes and hours that allows a 12 or 24 hour format and adjustments for daylight savings time
- BCD or binary format for time keeping
- Three different maskable interrupt flags:
• Periodic interrupts - At intervals from 122 msec to 500 msec
• Time-of-Month alarm - At intervals from once per second to once per Month
• Updated Ended Interrupt - Once per second upon completion of update
- Separate battery pin, 2.4 V operation that includes an internal UL protection resistor
- 2 mA maximum power consumption during power down
- Double-buffer time registers
` ACPI Controller/Extender that supports the requirements of the ACPI spec (rev 1.0):
- Power Management Timer
- Power Button
- Real Time Clock Alarm
- Suspend modes via software emulation
- PnP SCI
- Global Lock mechanism
- General Purpose events
- Date of Month Alarm
- Century byte
` An APC that controls the main power supply to the system, using open-drain output, as follows: Power turned on when:
- The RTC reaches a pre-determined wake-up century, date and time selection
- A high to low transition occurs on the RI input signals of the UARTs
- A ring pulse or pulse train is detected on the RING input signal
- A SWITCH input signal indicates a Switch On event with a debounce-protection
- Any one of seven programmable Power Management external trigger events occur Powered turned off when:
- A SWITCH input signal indicates a Switch Off event
PC87317VUL Connection Diagram
PC87317VUL
PDF/DataSheet Download
- Datasheet: PC87317VUL
- File Size: 2115417 KB
- Manufacturer: NSC [National Semiconductor]
- Click here to Download
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