LPC47M172 SMSC Corporation, LPC47M172 Datasheet - Page 191

• Manufacturer Part Number: LPC47M172
• Description: ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
• Manufacturer: SMSC Corporation

SMSC LPC47M172
Serial Port 2 Mode
Register
Default = 0x00
on VCC POR,
VTR POR and
HARD RESET
FDD Type Register
Default = 0xFF
on VCC POR,
VTR POR and
HARD RESET
FDD0
Default = 0x00
on VCC POR,
VTR POR and
HARD RESET
TEST9
Default = 0x24
on VCC POR,
VTR POR and
HARD RESET
NAME
NAME
Table 11.10 - Serial Port 2 Logical Device Configuration Registers
REG INDEX
REG INDEX
0xF2 R/W
0xF4 R/W
0xF8 R/W
0xF0 R/W
0xF3 R
0xF5 R
DATASHEET
Bits[1:0] Floppy Drive A Type
Bits[3:2] Reserved (could be used to store Floppy Drive
B type)
Bits[5:4] Reserved (could be used to store Floppy Drive
C type)
Bits[7:6] Reserved (could be used to store Floppy Drive
D type)
Reserved, Read as 0 (read only)
Bits[1:0] Drive Type Select: DT1, DT0
Bits[2]
Bits[4:3] Data Rate Table Select: DRT1, DRT0
Bits[5]
Bits[6]
Bits[7]
Reserved, Read as 0 (read only)
Test Modes: Reserved for SMSC. Users should not
write to this register, may produce undesired results.
Bit[0] MIDI Mode
= 0
= 1
Bit[1] High Speed
= 0
= 1
Bit[7:2] Reserved, set to zero
=0 Use Precompensation
=1 No Precompensation
Page 191
Read as 0 (read only)
Read as 0 (read only)
Precompensation Disable PTS
Read as 0 (read only)
MIDI support disabled (default)
MIDI support enabled
High Speed Disabled(default)
High Speed Enabled
DEFINITION
DEFINITION
Advanced I/O Controller with Motherboard GLUE Logic
SMSC/Non-SMSC Register Sets (Rev. 02-27-04)
Datasheet