LPC47M142-NC Standard Microsystems (SMSC), LPC47M142-NC Datasheet - Page 16

• Manufacturer Part Number: LPC47M142-NC
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LPC47M142-NC

• Lead Free Status / RoHS Status: Not Compliant

4
SMSC DS – LPC47M14X
GP3[0:7]*, GP4[0:3]*
GP5[0:7]*, GP6[0:1]*
BLOCK DIAGRAM
GP2[0:2,4:7]*
PWROK[3,0]
PWREN[3,0]
PCI_RESET
GP1[0:7]*
SER_IRQ
PCI_CLK
IO_PME*
LAD[3:0]
IO_SMI*
LFrame
OCLK
ICLK
CLOCKI
LPCPD
LDRQ
CLK32
PD1+
PD2+
PD3+
PD4+
PD1-
PD2-
PD3-
PD4-
CLOCK GEN
CLOCK GEN
Bus Interface
Power Mgmt
USB HUB
Purpose
SERIAL
General
LPC
IRQ
I/O
FIGURE 1 – LPC47M14X BLOCK DIAGRAM
2nd Infrared Port
CONTROLLER CORE
SMC PROPRIETARY
82077 COMPATIBLE
FLOPPYDISK
VERTICAL
(Data, Address, and Control lines)
LPC47M14x
Game Port
(128 QFP)
Internal Bus
Page 16
WCLOCK
RCLOCK
WDATA
RDATA
DIGITAL DATA
SEPARATOR
WITH WRITE
PENSATION
PRECOM-
Fan Control
Note 1: This diagram does not show power and ground
connections.
Note 2: Functions with "*" are located on multifunctional
pins. This diagram is designed to show the various functions
available on the chip (not pin layout).
ChiProtect
(see LPC47B27x)
Keyboard/Mouse
Parallel Port
High-Speed
High-Speed
Multi-Mode
Serial Port
controller
MPU-401
16550A
PORT 1
16550A
PORT 2
LEDs
UART
UART
MUX
8042
with
TM
/FDC
MIDI_IN*
MIDI_OUT*
KCLK, MCLK
KDATA, MDATA
GateA20*
KRESET*
P12*, P16*, P17*
PD[7,0]
Busy, Slct, PE,
ERROR, ACK
STROBE, INIT, SLCTIN,
ALF
TXD1, RXD1
CTS1, RTS1
DSR1, DTR1
DCD1, RI1
TXD2 (IRTX)*,
RXD2 (IRRX)*
CTS2*, RTS2 *
DSR2*, DTR2*
DCD2*, RI2*
Rev. 03/19/2001