NCT6627UD Nuvoton Technology Corporation of America, NCT6627UD Datasheet - Page 26

• Manufacturer Part Number: NCT6627UD
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of NCT6627UD

• Lead Free Status / Rohs Status: Supplier Unconfirmed

5.5
SYMBOL
SYMBOL
KBRST#
DCDE#
DCDF#
HEAD#
GA20M
GP41
GP51
GP10
GP30
GP40
GP50
RIC#
RID#
WE#
RIA#
RIB#
RIE#
RIF#
KBC Interface
PIN
116
124
PIN
13
57
85
17
58
59
3
4
I/OD
I/OD
I/OD
I/OD
I/OD
I/OD
OD
OD
I/O
IN
IN
IN
IN
IN
IN
IN
IN
O
O
I/O
t
t
24
t
t
t
t
t
t
24
12
12
12t
12t
12t
12t
12t
12t
General-purpose I/O port 4 bit 1.
Data Carrier Detect. An active-low signal indicates the modem or
data set has detected a data carrier.
General-purpose I/O port 5 bit 1.
Data Carrier Detect. An active-low signal indicates the modem or
data set has detected a data carrier. (This is for W83627UHG
only)
Write enable. An open drain output.
Ring Indicator. An active-low signal indicates that a ring signal is
being received from the modem or data set.
Ring Indicator. An active-low signal indicates that a ring signal is
being received from the modem or data set. (This is for
W83627UHG only)
General-purpose I/O port 1 bit 0.
Ring Indicator. An active-low signal indicates that a ring signal is
being received from the modem or data set.
General-purpose I/O port 3 bit 0.
Ring Indicator. An active-low signal indicates that a ring signal is
being received from the modem or data set.
General-purpose I/O port 4 bit 0.
Ring Indicator. An active-low signal indicates that a ring signal is
being received from the modem or data set.
General-purpose I/O port 5 bit 0.
Ring Indicator. An active-low signal indicates that a ring signal is
being received from the modem or data set. (This is for
W83627UHG only)
Head select. This open drain output determines which disk drive
head is active.
Logic 1 = side 0
Logic 0 = side 1
Gate A20 output. This pin is high after system reset. (KBC P21)
Keyboard reset. This pin is high after system reset. (KBC P20)
DESCRIPTION
-17-
DESCRIPTION
W83627UHG/NCT6627UD
Publication Release Date: October 26, 2010
Revision 1.7