DME1737 Standard Microsystems Corp., DME1737 Datasheet - Page 4

• Manufacturer Part Number: DME1737
• Description: Super I/o With Temperature Sensing, Quiet Auto Fan And Glue Logic
• Manufacturer: Standard Microsystems Corp.

Block Diagram
Rev. 05-21-04
GP1[0:4]*,
nMTR0, nTRK0, InNDEX
nDSKCHG, nDS0,
GP27*,
GP5[0:1]*, GP6[0:1]*
nW GATE, nHDSEL
DRVDEN0*, nW RTPRT
nDIR, nSTEP
nRDATA, nW DATA
PCI_RESET#
IO_PME_S5*
IO_PME_S3*
GP36*, GP37* ,
SER_IRQ
PCI_CLK
GP21*,GP22*
GP32*,GP33*
LFrame#
LAD[3:0]
IO_SMI*
GP4[0,2,3]*
CLOCKI
LDRQ#
CLK32
SCLK1
SCLK2
SDA1
SDA2
Controller with
W rite Precom-
Bus Interface
SMbus
Switch
Power Mgmt
Separator &
Isola-
Digital Data
Proprietary
Compatible
Floppydisk
tion
CLOCK
pensation
Purpose
General
SERIAL
GEN
SMSC
82077
LPC
IRQ
I/O
M
S
b
u
s
Figure 1 DME1737 Block Diagram
PRODUCT PREVIEW
(Data, Address, and Control lines)
Hardware
Monitor
Register
Speaker
Security
32 byte
Internal Bus
Key
4
WD T
WDT*
Note 1: This diagram does not show power and
ground
Note 2: Signal names followed by an asterisk (*) are
located on multifunction pins.
designed to show the various functions available on
the chip and should not be used as a pin layout.
ChiProtect
Keyboard/Mouse
Power Control
and Recovery
Parallel Port
LPC47B27x)
High-Speed
High-Speed
Multi-Mode
PCI Reset
controller
Detection
Outputs
Intruder
16550A
PORT 1
16550A
PORT 2
connections.
LEDs
UART
UART
MUX
8042
with
(see
TM
/FDC
`
PW RGD_CPU ,
PW RGD_3V
n3VSB_GAT E
n3V_GATE
nRSMRST
nIDE_RSTDRV*
nPCIRST_OUT[1:4]*
MCLK*, MDAT*
A20M*
nKBDRST*
KCLK*, KDAT*
nFPRST, PB_IN#
PW RGD_PS
SLP_S3#,
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
nSTROBE, nINIT,
nSLCTIN, nALF
This diagram is
SMSC DME1737
SLP_S5#