SCH3112I-NE SMSC [SMSC Corporation], SCH3112I-NE Datasheet - Page 276

• Manufacturer Part Number: SCH3112I-NE
• Description: LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
• Manufacturer: SMSC [SMSC Corporation]

Rev 0.2 (09-28-04)
24.2.43
24.2.44
24.2.45
24.2.46
24.2.47
24.2.48
Register
Address
Register
Address
Register
Address
Register
Address
98h
A3h
A4h
A5h
/Write
Read
R/W
/Write
/Write
Read
Read
R/W
Read/
R/WC
Write
R
Register 98h:
These registers become read only when the Lock bit is set. Any further attempts to write to these
registers shall have no effect.
This is an SMSC Test Register. Writing to this register may cause unwanted results.
Registers 99h-9Ah:Voltage Reading Registers
See
Registers 9B-9EH: Voltage Limit Registers
See PME_STS1.
Register A3h: SMSC Test Register
This is an SMSC Test Register. Writing to this register may cause unwanted results.
Register A4h: SMSC Test Register
This register is an SMSC Test register.
Register A5h: Interrupt Status Register 1 - Secondary
Note 24.19 This is a read-only bit. Writing ‘1’ to this bit has no effect.
Notes:
■
■
See definition of
This register is reset to its default value when the PWRGD_PS signal transitions high.
This is a read/write-to-clear register. Bits[6:4] are cleared on a write of one if the temperature event
is no longer active. Writing a zero to these bits has no effect.
Section 24.2.3, "Registers 20-24h, 99-9Ah: Voltage Reading," on page
SMSC Test Register
SMSC Test Register
Interrupt Status 1 - Secondary
SMSC Test Register
Register Name
Register Name
Register Name
Register Name
Register 41h: Interrupt Status Register 1 on page 236
SMSC Test Register
(MSb)
(MSb)
TST7
TST7
Bit 7
Bit 7
(MSb)
TST7
Bit 7
DATASHEET
(MSb
24.19
Bit 7
INT2
Note
LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
)
TST6
Bit 6
TST6
TST6
Bit 6
Bit 6
260
Bit 6
D2
TST5
Bit 5
TST5
Bit 5
TST5
Bit 5
Bit 5
AMB
TST4
Bit 4
TST4
Bit 4
TST4
Bit 4
Bit 4
D1
TST3
Bit 3
TST3
Bit 3
TST3
Bit 3
Bit
5V
3
TST2
Bit 2
Bit 2
VCC
TST2
Bit 2
for setting and clearing bits.
TST2
Bit 2
230.
TST1
Vccp
Bit 1
Bit 1
TST1
Bit 1
TST1
Bit 1
(LSb)
TST0
(LSb)
(LSb)
SMSC SCH311X
Bit 0
TST0
Bit 0
Bit 0
2.5V
(LSb)
TST0
Bit 0
Datasheet
Default
Default
Default
Value
Value
Default
Value
Value
00h
00h
02h
F1h