FDC37B727-NS Standard Microsystems (SMSC), FDC37B727-NS Datasheet - Page 9

• Manufacturer Part Number: FDC37B727-NS
• Manufacturer: Standard Microsystems (SMSC)

Specifications of FDC37B727-NS

• Pin Count: 128
• Lead Free Status / RoHS Status: Compliant

Note 1: The “n” as the first letter of a signal name indicates an “Active Low” signal.
Note 2: KBDRST is active low.
Note 3: This pin defaults to an output and low. When configured as IRTX (or IRTX2), this pin is low when
Note 4: EETI is the Either Edge Triggered Interrupt Input function.
No./QFP
96-103
PIN
124
126
127
128
125
122
120
110
111
107
108
106
105
109
95
94
70
71
72
73
75
76
the IR block is not transmitting.
Transmit Serial Data 2/Infrared Tx (Note 3)
Request to Send 2
Clear to Send 2
Data Terminal Ready
Data Set Ready 2
Data Carrier Detect 2
Ring Indicator 2
Parallel Port Data Bus
Printer Select
Initiate Output
Auto Line Feed
Strobe Signal
Busy Signal
Acknowledge Handshake
Paper End
Printer Selected
Error at Printer
Keyboard Data
Keyboard Clock
Mouse Data
Mouse Clock
Keyboard Reset
Gate A20
NAME
KEYBOARD/MOUSE INTERFACE (6)
PARALLEL PORT INTERFACE (17)
9
TOTAL
1
1
1
1
1
1
1
8
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
TXD2/IRTX
nRTS2
nCTS2
nDTR2
nDSR2
nDCD2
nRI2
PD[0:7]
nSLCTIN
nINIT
nALF
nSTROBE
BUSY
nACK
PE
SLCT
nERROR
KDAT
KCLK
MDAT
MCLK
KBDRST
(Note 2)
A20M
SYMBOL
BUFFER TYPE
IOD16
IOD16
IOD16
IOD16
IOP14
OP14
OP14
OP14
OP14
O24
O4
O4
O4
O4
I
I
I
I
I
I
I
I
I