SCH5027D-NW SMSC, SCH5027D-NW Datasheet - Page 4

• Manufacturer Part Number: SCH5027D-NW
• Description: Interface - Specialized Super I/O
• Manufacturer: SMSC
• Type: Super I/O with Temperature Sensingr

Specifications of SCH5027D-NW

• Mounting Style: SMD/SMT
• Package / Case: PQFP-128
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Block Diagram
Revision 0.36 (06-08-07)
GP36*, GP37* , GP4[0,2,3]*
nMTR0, nTRK0, InNDEX
GP1[0:4]*, GP21*,GP22*
nDSKCHG, nDS0,
nWGATE, nHDSEL
DRVDEN0*, nWRTPRT
nDIR, nSTEP
GP27*, GP32*,GP33*
GP5[0:1]*, GP6[0:1]*
nRDATA, nWDATA
PCI_RESET#
IO_PME_S5*
IO_PME_S3*
SER_IRQ
PCI_CLK
LAD[3:0]
LFrame#
IO_SMI*
CLOCKI
LDRQ#
CLK32
SCLK1
SCLK2
SDA1
SDA2
Controller with
Write Precom-
Bus Interface
SMbus
Switch
Power Mgmt
Isola-
Separator &
Compatible
Digital Data
Proprietary
Floppydisk
tion
CLOCK
pensation
Purpose
General
SERIAL
GEN
SMSC
82077
LPC
IRQ
I/O
M
S
b
u
s
Figure 1 SCH5027D-NW Block Diagram
PRODUCT PREVIEW
Super I/O with Temperature Sensing, Quiet Auto Fan and Glue Logic with PECI
Hardware
(Data, Address, and Control lines)
Monitor
Security
Register
32 byte
Internal Bus
Key
4
WDT
WDT*
Note 1: This diagram does not show power and ground
connections.
Note 2: Signal names followed by an asterisk (*) are
located on multifunction pins. This diagram is designed to
show the various functions available on the chip and
should not be used as a pin layout.
(see LPC47B27x)
Keyboard/Mouse
Power Control
and Recovery
ChiProtect
Parallel Port
High-Speed
High-Speed
Multi-Mode
PCI Reset
FDC MUX
controller
Detection
Outputs
Intruder
16550A
PORT 1
16550A
PORT 2
LEDs
UART
UART
8042
with
TM
/
SMSC SCH5027D-NW
`
nIDE_RSTDRV*
nPCIRST_OUT[1:4]*
MCLK*, MDAT*
A20M*
nKBDRST*
KCLK*, KDAT*
nFPRST, PB_IN#
PWRGD_PS
SLP_S3#, SLP_S5#
PWRGD_CPU ,
PWRGD_3V
SLP_S3DEL#
PS_ON
nRSMRST
nSTROBE, nINIT,
nSLCTIN, nALF
TXD1*, RXD1
nCTS1, nRTS1*
nDSR1, nDTR1
nDCD1, nRI1
TXD2 (IRTX)*,
RXD2 (IRRX)*
CTS2*, RTS2 *
DSR2*, DTR2*
DCD2*, RI2*
nINTRD_IN
PD[7,0]
BUSY, SLCT, PE,
nERROR, nACK