NCT6627UD Nuvoton Technology Corporation of America, NCT6627UD Datasheet - Page 24

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

Specifications of NCT6627UD

• Lead Free Status / Rohs Status: Supplier Unconfirmed

SYMBOL
SOUTA
DTRC#
DTRD#
DTRE#
DTRF#
STEP#
GP34
GP44
GP54
GP13
GP33
GP43
GP53
DIR#
SINA
SINB
IRRX
SINC
SIND
SINE
SINF
PIN
112
120
128
113
121
53
82
10
54
9
1
I/OD
I/OD
I/OD
I/OD
I/OD
I/OD
I/OD
OD
OD
O
I/O
IN
IN
IN
IN
IN
IN
O
O
O
O
24
8
8
8
8
24
t
t
t
t
t
t
24
12t
12t
12t
12t
12t
12t
8t
UART C Data Terminal Ready. An active-low signal informs the
modem or data set that the controller is ready to communicate.
General-purpose I/O port 3 bit 4.
UART D Data Terminal Ready. An active-low signal informs the
modem or data set that the controller is ready to communicate.
General-purpose I/O port 4 bit 4.
UART E Data Terminal Ready. An active-low signal informs the
modem or data set that the controller is ready to communicate.
General-purpose I/O port 5 bit 4.
UART F Data Terminal Ready. An active-low signal informs the
modem or data set that the controller is ready to communicate.
(This is for W83627UHG only)
Direction of the head step motor. An open drain output.
Logic 1 = outward motion
Logic 0 = inward motion
Serial Input. This pin is used to receive serial data through the
communication link.
Serial Input. This pin is used to receive serial data through the
communication link. (This is for W83627UHG only)
IR Receiver input.
General-purpose I/O port 1 bit 3.
Serial Input. This pin is used to receive serial data through the
communication link.
General-purpose I/O port 3 bit 3.
Serial Input. This pin is used to receive serial data through the
communication link.
General-purpose I/O port 4 bit 3.
Serial Input. This pin is used to receive serial data through the
communication link.
General-purpose I/O port 5 bit 3.
Serial Input. This pin is used to receive serial data through the
communication link. (This is for W83627UHG only)
Step output pulses. This active low open drain output produces a
pulse to move the head to another track.
UART A Serial Output. This pin is used to transmit serial data out
to the communication link.
DESCRIPTION
-15-
W83627UHG/NCT6627UD
Publication Release Date: October 26, 2010
Revision 1.7