LPC47M182 SMSC Corporation, LPC47M182 Datasheet - Page 29

• Manufacturer Part Number: LPC47M182
• Description: ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
• Manufacturer: SMSC Corporation

Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
Chapter 4
SMSC LPC47M182
GP10-GP15, GP16*, GP17*
nCDC_DWN_ENAB*
LATCHED_BF_CUT
nSECONDARY_HD
nBACKFEED_CUT
nCDC_DWN_RST
nAUD_LINK_RST
nPCI_RST_OUT2
SCK_BJT_GATE
nPCI_RST_OUT
nPRIMARY_HD
nIDE_RSTDRV
REF5V_STBY
(GP20-GP23)*
V_5P0_STBY
nPCI_RESET
PWRGD_PS
nRSMRST
nLFRAME
nHD_LED
SER_IRQ
nIO_PME
PCI_CLK
LAD[3:0]
nLPCPD
nFPRST
nPS_ON
F_CAP
nLDRQ
REF5V
GP24*
nSCSI
Power Control
Resume Reset
SERIAL IRQ /
Bus Interface
5V Reference
Sequencing
Front Panel
Generating
Generation
Generation
CNR Logic
Hard Drive
Block Diagram
Registers
PCI Reset
Interrupt
Buffered
GPIOs
Power
PME /
LPC
LED
Isolation
Figure 4.1 – LPC47M182 Block Diagram
SMBus
nPCI_RESET
CLOCK
GEN
Configuration
DATASHEET
Registers
Translation
Voltage
VGA
(Data, Address, and Control lines)
VCC (3.3V)
Power LED
LPC47M182
(128 QFP)
Internal Bus
V_5P0_STBY
29
VERTICAL FLOPPYDISK
SMSC PROPRIETARY
CONTROLLER CORE
82077 COMPATIBLE
VTR (3.3V)
Monitoring
FAN
Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
WDATA
WCLOCK
RCLOCK
RDATA
Parallel Port with
Keyboard/Mouse
8042 Controller
DIGITAL DATA
16550A UART
16550A UART
SEPARATOR
WITH WRITE
ChiProtect
PENSATION
XOR-Chain
High-Speed
High-Speed
Multi-Mode
W/ Infrared
PRECOM-
PORT 2
PORT
TM
Note 1: This diagram shows the
various functions available on the chip
(not pin layout). The block diagram
should not be used for pin count.
Note 2: Functions with asterisks (*)
are located on multifunctional pins.
nKBDRST
GA20M
nSTROBE, nINITP,
nSLCTIN, nALF
RXD
TXD
nCTS
nRTS
nRI
RXD2
TXD2
nCTS2
nRTS2
nDSR2
nDCD2
nRI2
IRRX2
IRTX2
PD[7:0]
BUSY, SLCT, PE,
nERROR, nACK
nDSR
nDTR*
nDCD
nDTR2
KDAT, MDAT
KCLK, MCLK