LPC47M172_07 SMSC [SMSC Corporation], LPC47M172_07 Datasheet - Page 28

• Manufacturer Part Number: LPC47M172_07
• Description: Advanced I/O Controller with Motherboard GLUE Logic
• Manufacturer: SMSC [SMSC Corporation]

Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
Chapter 4
SMSC/Non-SMSC Register Sets (Rev. 01-11-07)
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
Generating
Front Panel
Generation
Generation
CNR Logic
Hard Drive
Block Diagram
Registers
PCI Reset
Interrupt
Buffered
GPIOs
Power
PME /
LPC
LED
Isolation
Figure 4.1 - LPC47M172 Block Diagram
SMBus
nPCI_RESET
CLOCK
GEN
Configuration
DATASHEET
Registers
Translation
Voltage
VGA
(Data, Address, and Control lines)
VCC (3.3V)
Power LED
LPC47M172
(128 QFP)
Page 28
Internal Bus
V_5P0_STBY
VERTICAL FLOPPYDISK
SMSC PROPRIETARY
CONTROLLER CORE
82077 COMPATIBLE
VTR (3.3V)
Monitoring
FAN
WCLOCK
WDATA
RCLOCK
RDATA
Parallel Port with
Keyboard/Mouse
8042 Controller
DIGITAL DATA
16550A UART
16550A UART
SEPARATOR
ChiProtect
WITH WRITE
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
BUSY, SLCT, PE,
nERROR, nACK
nDSR
nDTR*
nDCD
nDTR2
PD[7:0]
KDAT, MDAT
KCLK, MCLK
SMSC LPC47M172