lpc47s457-ns Standard Microsystems Corp., lpc47s457-ns Datasheet - Page 3

• Manufacturer Part Number: lpc47s457-ns
• Description: Advanced I/o With X-bus Interface
• Manufacturer: Standard Microsystems Corp.

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2
3
4
5
6
SMSC LPC47S45x
4.1
4.2
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
5.10
6.1
6.2
6.3
6.4
6.5
6.6
6.7
GENERAL DESCRIPTION .................................................................................................................... 9
PIN CONFIGURATION ........................................................................................................................ 10
PINOUT ................................................................................................................................................ 11
PIN DESCRIPTION .............................................................................................................................. 12
DESCRIPTION OF POWER SOURCES AND CLOCK INPUT/OUTPUTS......................................... 19
5.2.1
5.2.2
5.2.3
FUNCTIONAL DESCRIPTION............................................................................................................. 24
6.3.1
6.3.2
6.3.3
6.4.1
6.4.2
6.4.3
6.4.4
6.4.5
6.4.6
6.4.7
6.4.8
6.4.9
6.5.1
6.5.2
6.5.3
6.5.4
6.5.5
6.5.6
6.6.1
6.7.1
6.7.2
6.7.3
6.7.4
6.7.5
6.7.6
B
P
3.3 V
P
I
32.768 KHZ T
I
XOSEL...........................................................................................................................................................21
T
40MH
M
S
H
LPC I
F
S
I
P
NTERNAL
NDICATION OF
NFRARED
LOPPY
UFFER
INS
OWER
RICKLE
UPER
ERIAL
ARALLEL
OST
AXIMUM
P
OWER
VCC Power .............................................................................................................................................19
VTR Support ...........................................................................................................................................19
Vbat Input ...............................................................................................................................................19
LPC Interface Signal Definition...............................................................................................................25
Power Management................................................................................................................................26
LPC Transfers ........................................................................................................................................27
FDC Internal Registers ...........................................................................................................................28
Status Register Encoding .......................................................................................................................38
DMA Transfers........................................................................................................................................41
Controller Phases ...................................................................................................................................41
Command Set/Descriptions ....................................................................................................................42
Instruction Set.........................................................................................................................................45
Data Transfer Commands ......................................................................................................................51
Control Commands.................................................................................................................................57
Direct Support for Two Floppy Drives .....................................................................................................62
Register Description ...............................................................................................................................63
Programmable Baud Rate Generator (AND Divisor Latches DLH, DLL) ................................................70
Effect Of The Reset on Register File ......................................................................................................70
FIFO Interrupt Mode Operation ..............................................................................................................70
FIFO Polled Mode Opertion....................................................................................................................71
Notes On Serial Port Operation ..............................................................................................................75
IR Transmit Pin .......................................................................................................................................76
IBM XT/AT Compatible, Bi-Directional And EPP Modes........................................................................78
EPP 1.9 Operation..................................................................................................................................80
EPP 1.7 Operation..................................................................................................................................81
Extended Capabilities Parallel Port.........................................................................................................83
Vocabulary..............................................................................................................................................83
ECP Implementation Standard ...............................................................................................................83
T
OLT
NTERFACE
P
Z
HAT
I/O R
P
ROCESSOR
F
C
D
T
P
ORT
UNCTIONALITY
O
YPE
PWRGOOD.....................................................................................................................................20
LOCK
C
ISK
OWER
M
I
P
NTERFACE
R
PERATION
URRENT
ORT
ANAGEMENT
EQUIRE
EGISTERS
C
(UART) ......................................................................................................................................63
D
32KHZ C
RICKLE
ONTROLLER
O
ESCRIPTIONS
...............................................................................................................................................24
...............................................................................................................................................77
F
UTPUT
UNCTIONALITY
I
NTERFACE
V
E
........................................................................................................................................76
/ 5 V
ALUES
XTERNAL
C
......................................................................................................................................24
....................................................................................................................................19
....................................................................................................................................23
LOCK
LOCK
E
OLT
VENTS
...............................................................................................................................28
.............................................................................................................................23
............................................................................................................................17
I
...........................................................................................................................20
NPUT
(LPC) ................................................................................................................24
T
P
OLERANCE
.......................................................................................................................21
ULLUP
(PME/SCI) ....................................................................................................23
...................................................................................................................20
TABLE OF CONTENTS
DATASHEET
R
ESISTORS
........................................................................................................19
Page 3 of 259
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Rev. 08-10-09