SCH3112I-NE SMSC [SMSC Corporation], SCH3112I-NE Datasheet - Page 318

• 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)
6D
6E
6E
6F
6F
70
71
72
72
73
73
74-7Fh
REGISTER
OFFSET
(HEX)
Note 26.1 Bit 3 of the PME_STS5 register may be set on a VCC POR. If GP53 are configured as
Note 26.2 This register does not support the Power failure recovery status.
Note 26.3 This register supports ring indicator status bits for serial ports 3-6 if required by the particular
Note 26.4 This register supports additional UART interrupt status bits for serial ports 3-6 if required by
Note 26.5 This register supports alternate functions for serial port 3.
Note 26.6 This register supports alternate functions for serial port 4.
Note 26.7 This register supports alternate functions for pci reset outputs.
Note 26.8 This register supports alternate functions for serial port 6.
Note 26.9 See the register description for the default value.
Note 26.10 Bit[0] cannot be written to '1'. Bit[1] and Bit[7] are read-only.
Note 26.11 This register is a read/write register when bit[7]=0, except bit[4]. Bit[4] is a read-only bit.
Note 26.12 This is a binary number. The x's denote a bit that is not affected by the reset condition.
Note 26.13 This register is read/write when Bit [7] Keyboard PWRBTN/SPEKEY Lock of the Keyboard
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
TYPE
input, then their corresponding PME and SMI status bits will be set on a VCC POR.
device.
the particular device
This register is a read-only register when bit7]=1.
PWRBTN/SPEKEY register at offset 64h is set to '0' and Read-Only when Bit [7] is set to '1'.
Table 26.2 Runtime Register POR Summary (continued)
-
-
-
-
-
-
-
-
-
-
-
-
RESET
PCI
-
-
-
-
-
-
-
-
-
-
-
-
POR
VCC
-
0x00
0x01
0x00
0x01
0x00
0x00
0x00
0x01
0x00
0x01
-
DATASHEET
POR
VTR
LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
302
-
-
-
-
-
-
-
-
-
-
-
-
RESET
SOFT
0x00
-
-
-
-
-
-
-
-
-
-
-
VBAT
POR
TEST
GP44
(SCH3112 and SCH3114)
GP44
(SCH3116)
GP45
(SCH3112 and SCH3114)
GP45
(SCH3116)
HWM Index Register
HWM Data Register
GP46
(SCH3112 and SCH3114)
GP46
(SCH3116
GP47
(SCH3112 and SCH3114)
GP47
(SCH3116)
Reserved – reads return 0
REGISTER
SMSC SCH311X
Datasheet