2006 - 2014 Microchip Technology Inc. DS00001810A-page 1
Product Features
• 3.3 Volt Operation (5V tolerant)
• Programmable Wakeup Event Interface
(IO_PME# Pin)
• SMI Support (IO_SMI# Pin)
• GPIOs (14)
• Two IRQ Input Pins
• XNOR Chain
• PC99a, PC2001
• ACPI 2.0 Compliant
• 64-pin STQFP RoHS Compliant Package
• Intelligent Auto Power Management
•Serial Ports
- One Full Function Serial Port
- High Speed 16C550A Compatible UART with
Send/Receive 16-Byte FIFO
- Supports 230k and 460k Baud
- Programmable Baud Rate Generator
- Modem Control Circuitry
• Infrared Communications Controller
- IrDA v1.2 (4Mbps), HPSIR, ASKIR, Con-
sumer IR Support
- 1 IR Port
- 96 Base I/O Address, 15 IRQ Options and 3
DMA Options
• Multi-Mode Parallel Port with ChiProtect
TM
- Standard Mode IBM PC/XT, PC/AT, and PS/2
Compatible Bidirectional Parallel Port
- Enhanced Parallel Port (EPP) Compatible -
EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant)
- IEEE 1284 Compliant Enhanced Capabilities
Port (ECP)
- ChiProtect Circuitry for Protection Against
Damage Due to Printer Power-On
- 192 Base I/O Address, 15 IRQ and 3 DMA
Options
• LPC Bus Host Interface
- Supports LPC Bus frequencies of 19.2 MHz
to 33 MHz
- Multiplexed Command, Address and Data
Bus
- 8-Bit I/O Transfers
- 8-Bit DMA Transfers
- 16-Bit Address Qualification
- Serial IRQ Interface Compatible with Serial-
ized IRQ Support for PCI Systems
- PCI CLKRUN# Support
- Power Management Event (IO_PME#) Inter-
face Pin
Description
The Microchip LPC47N217 is a 3.3V PC 99, PC2001,
and ACPI 2.0 compliant Super I/O Controller. The
LPC47N217 implements the LPC interface, a pin
reduced ISA interface which provides the same or bet-
ter performance as the ISA/X-bus with a substantial
savings in pins used. The part also includes 14 GPIO
pins.
The LPC47N217 incorporates a 16C550A compatible
UART and one Multi-Mode parallel port with ChiProtect
circuitry plus EPP and ECP support. This device also
offers a full 16-bit internally decoded address bus, a
Serial IRQ interface with PCI CLKRUN# support, relo-
catable configuration ports, and three DMA channel
options.
The on-chip UART is compatible with the 16C550A.
There is a dedicated Serial Infrared interface UART,
which complies with IrDA v1.2 (Fast IR), HPSIR, and
ASKIR formats (used by Sharp and other PDAs), as
well as Consumer IR.
The parallel port is compatible with IBM PC/AT archi-
tectures, as well as IEEE 1284 EPP and ECP. The par-
allel port ChiProtect circuitry prevents damage caused
by an attached powered printer when the LPC47N217
is not powered.
The LPC47N217 features Software Configurable Logic
(SCL) for ease of use. SCL allows programmable sys-
tem configuration of key functions such as the parallel
port and UART.
The LPC47N217 supports the ISA Plug-and-Play Stan-
dard register set (Version 1.0a) and provides the rec-
ommended functionality to support Windows operating
systems, PC99, and PC2001. The I/O Address, DMA
Channel, and Hardware IRQ of each device in the
LPC47N217 may be reprogrammed through the inter-
nal configuration registers. There are multiple I/O
address location options, a Serialized IRQ interface,
and three DMA channels.
LPC47N217
64-Pin Super I/O with LPC Interface
