
SMSC DS – LPC47M14X 
Page 154 
Rev. 03/19/2001 
Notes: 
HARD RESET: PCI_RESET# pin asserted 
SOFT RESET: Bit 0 of Configuration Control register set to one 
All host accesses are blocked for 500μs after Vcc POR (see Power-up Timing Diagram)
Table 61  –  LPC47M14x Configuration Registers Summary 
INDEX 
TYPE 
HARD 
RESET 
VCC POR 
VTR POR 
SOFT 
RESET 
CONFIGURATION REGISTER 
GLOBAL CONFIGURATION REGISTERS 
0x00 
0x00 
- 
- 
0x00 
0x00 
0x5F 
0x5F 
0x00 
0x00 
0x00 
(Note 1) 
(Note 1) 
0x00 
0x00 
0x44 
0x44 
Sysopt=0: 
0x2E 
Sysopt=1: 
0x4E 
Sysopt=0: 
0x00 
Sysopt=1: 
0x00 
- 
- 
0x00 
0x00 
0x00 
0x00 
0x00 
0x00 
0x00 
0x00 
0x00 
0x00 
0x00 
0x00 
LOGICAL DEVICE 0 CONFIGURATION REGISTERS (FDD) 
0x00 
0x00 
0x00 
0x03, 
0xF0 
0xF0 
0xF0 
0x06 
0x06 
0x06 
0x02 
0x02 
0x02 
0x0E 
0x0E 
0x0E 
0x00 
0x00 
0x00 
0xFF 
0xFF 
0xFF 
0x00 
0x00 
0x00 
0x00 
0x00 
0x00 
LOGICAL DEVICE 1 CONFIGURATION REGISTERS (Reserved) 
LOGICAL DEVICE 2 CONFIGURATION REGISTERS (Reserved) 
LOGICAL DEVICE 3 CONFIGURATION REGISTERS (Parallel Port) 
0x00 
0x00 
0x00 
0x00, 
0x00 
0x00 
0x00 
0x00 
0x00 
0x00 
0x04 
0x04 
0x04 
0x3C 
0x3C 
0x3C 
0x00 
0x00 
0x00 
0x02 
0x03 
0x07 
0x20 
0x21 
0x22 
W 
R 
R/W 
R 
R 
R/W 
0x00 
- 
0x00 
0x5F 
0x00 
0x00 
(Note 1) 
0x00 
0x44 
Sysopt=0: 
0x2E 
Sysopt=1: 
0x4E 
Sysopt=0: 
0x00 
Sysopt=1: 
0x00 
- 
- 
- 
- 
- 
- 
- 
- 
- 
Config Control 
Reserved – reads return 0 
Logical Device Number 
Device ID - hard wired 
Device Rev - hard wired 
Power Control 
0x00 
0x5F 
0x00 
0x00 
(Note 1) 
- 
- 
- 
0x00 
0x23 
0x24 
0x26 
R/W 
R/W 
R/W 
Power Mgmt 
OSC 
Configuration Port Address Byte 0 
(Low Byte) 
- 
0x27 
R/W 
- 
- 
Configuration Port Address Byte 1 
(High Byte) 
0x28 
0x2A 
0x2B 
0x2C 
0x2D 
0x2E 
0x2F 
R 
- 
- 
- 
- 
- 
- 
- 
Reserved 
TEST 6 
TEST 4 
TEST 5 
TEST 1 
TEST 2 
TEST 3 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
0x30 
0x60, 
0x61 
0x70 
0x74 
0xF0 
0xF1 
0xF2 
0xF4 
0xF5 
R/W 
R/W 
0x00 
0x03, 
0xF0 
0x06 
0x02 
- 
- 
- 
- 
- 
Activate 
Primary Base I/O Address 
0x03, 
0x03, 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
Primary Interrupt Select 
DMA Channel Select 
FDD Mode Register 
FDD Option Register 
FDD Type Register 
FDD0 
FDD1 
0x30 
0x60, 
0x61 
0x70 
0x74 
0xF0 
0xF1 
R/W 
R/W 
0x00 
0x00, 
0x00 
0x00 
0x04 
- 
- 
Activate 
Primary Base I/O Address 
0x00, 
0x00, 
R/W 
R/W 
R/W 
R/W 
Primary Interrupt Select 
DMA Channel Select 
Parallel Port Mode Register 
Parallel Port Mode Register 2