
SMSC LPC47B27x
- 153 -
Rev. 08-10-04
DATASHEET
INDEX
TYPE
HARD
RESET
0x51
VCC POR
TR POR
SOFT
RESET
0x51
CONFIGURATION
REGISTER
0x20
0x21
R
R
0x51
Current Revision
0x51
Device ID - hard wired
Device Rev - hard
wired
Power Control
Power Mgmt
OSC
Configuration Port
Address Byte 0
(Low Byte)
0x22
0x23
0x24
0x26
R/W
R/W
R/W
R/W
0x00
(Note 1)
0x00
0x04
Sysopt=0:
0x2E
Sysopt=1:
0x4E
Sysopt=0:
0x00
Sysopt=1:
0x00
-
-
-
-
-
-
-
LOGICAL DEVICE 0 CONFIGURATION REGISTERS (FDD)
0x00
0x00
0x03,
0xF0
0xF0
0x06
0x06
0x00
(Note 1)
0x00
0x04
Sysopt=0:
0x2E
Sysopt=1:
0x4E
Sysopt=0:
0x00
Sysopt=1:
0x00
-
0x00
0x00
0x00
0x00
0x00
0x00
0x00
(Note 1)
0x00
0x04
-
0x00
(Note 1)
-
-
-
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
0x00
0x00
0x00
0x00
0x00
0x00
0x30
0x60,
0x61
0x70
R/W
R/W
0x00
0x03,
0xF0
0x06
0x00
0x03,
0xF0
0x06
Activate
Primary Base I/O
Address
Primary Interrupt
Select
DMA Channel Select
FDD Mode Register
FDD Option Register
FDD Type Register
FDD0
FDD1
0x03,
R/W
0x74
0xF0
0xF1
0xF2
0xF4
0xF5
R/W
R/W
R/W
R/W
R/W
R/W
0x02
0x0E
0x00
0xFF
0x00
0x00
0x02
0x0E
0x00
0xFF
0x00
0x00
0x02
0x0E
0x00
0xFF
0x00
0x00
0x02
-
-
-
-
-
LOGICAL DEVICE 1 CONFIGURATION REGISTERS (Reserved)
LOGICAL DEVICE 2 CONFIGURATION REGISTERS (Reserved)
LOGICAL DEVICE 3 CONFIGURATION REGISTERS (Parallel Port)
R/W
0x00
0x00
R/W
0x00,
0x00
0x00
R/W
0x00
0x00
0x30
0x60,
0x61
0x70
0x00
0x00,
0x00
0x00
0x00
0x00,
0x00
0x00
Activate
Primary Base I/O
Address
Primary Interrupt
Select
DMA Channel Select
Parallel Port Mode
Register
Parallel Port Mode
Register 2
0x00,
0x74
0xF0
R/W
R/W
0x04
0x3C
0x04
0x3C
0x04
0x3C
0x04
-
0xF1
R/W
0x00
0x00
0x00
-
LOGICAL DEVICE 4 CONFIGURATION REGISTERS (Serial Port 1)
R/W
0x00
0x00
R/W
0x00,
0x00
0x00
R/W
0x00
0x00
0x30
0x60,
0x61
0x70
0x00
0x00,
0x00
0x00
0x00
0x00,
0x00
0x00
Activate
Primary Base I/O
Address
Primary Interrupt
Select
Serial Port 1 Mode
Register
0x00,
0xF0
R/W
0x00
0x00
0x00
-
LOGICAL DEVICE 5 CONFIGURATION REGISTERS (Serial Port 2)
R/W
-
-
0x30
0x00
-
Activate