SCH3112I-NE SMSC [SMSC Corporation], SCH3112I-NE Datasheet - Page 27

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

LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
Datasheet
SMSC SCH311X
PIN
10
11
12
13
14
15
16
17
65
66
67
68
69
70
63
64
5
6
7
9
NOTE
2.7
2.9
Table 2.4 SCH311X Pin Core Functions Description (
nMTR0
nDSKCH
G
nDS0
nDIR
nSTEP
nWDATA
nWGATE
nHDSEL
nINDEX
nTRK0
nWRTPR
T
nRDATA
RXD1
TXD1
/SIO
XNOR_O
UT
nDSR1
nRTS1/
SYSOPT
0
nCTS1
nDTR1 /
SYSOPT
1
nRI1
nDCD1
NAME
Motor On 0
Disk Change
Drive Select 0
Step Direction
Step Pulse
Write Disk Data
Write Gate
Head Select
Index Pulse Input
Track 0
Write Protected
Read Disk Data
Receive Data 1
Transmit Data 1
/ XNOR-Chain test mode
Output for SIO block
Data Set Ready 1
Request to Send 1/
SYSOPT (Configuration
Port Base Address
Control)
Clear to Send 1
Data Terminal Ready 1
Ring Indicator 1
Data Carrier Detect 1
DESCRIPTION
SERIAL PORT 1 INTERFACE (8)
SERIAL PORT 2 INTERFACE (8)
DATASHEET
11
nDSKCH
nDIR
nINDEX
nWRTPR
nRDATA
RXD1
nDCD1
nMTR0
G
nDS0
nSTEP
nWDATA
nWGATE
nHDSEL
nTRK0
T
TXD1
/SIO
XNOR_O
UT
nDSR1
nRTS1/
SYSOPT0
nCTS1
nDTR1 /
SYSOPT1
POWER
PLANE
VCC
POWER
PLANE
Note 2.14
nRI1
VTR-
) (continued)
GATE/ Hi-Z
GATE/ Hi-Z
(Note
OPERA-
VCC=0
GATE
GATE
GATE
GATE
GATE
GATE
GATE
GATE
GATE
GATE
TION
Hi-Z
HI-Z
HI-Z
HI-Z
HI-Z
HI-Z
HI-Z
HI-Z
2.16)
Rev 0.2 (09-28-04)
(O12/OD12
(O12/OD12
(O12/OD12
(O12/OD12
(O12/OD12
(O12/OD12
(O12/OD12
O12/O12
(Note
BUFFER
MODES
OP14/I
O6
IS
IS
IS
IS
IS
IS
IS
)
)
)
)
)
)
)
I
I
I
2.1)