w83627ef Winbond Electronics Corp America, w83627ef Datasheet - Page 20

• Manufacturer Part Number: w83627ef
• Description: Lpc Super I/o For Desktop & Server
• Manufacturer: Winbond Electronics Corp America

Serial Port & Infrared Port Interface, Continued.
Note. The * sign see 5.10.8 GPIO-1 and GPIO-4 with WDTO# / SUSLED / PLED multi-function
SYMBOL
PENKBC
GP41***
SOUTA
SOUTB
DCDA#
DCDB#
GP42*
GP40*
GP62
GP61
GP60
IRTX
RIA#
RIB#
PIN
54
83
56
84
57
57
85
I/OD
I/OD
I/OD
I/OD
OUT
OUT
I/OD
I/O
I/O
IN
IN
IN
IN
IN
t
t
t
t
t
8
1
12
12
12
8
8
8
2
UART A Serial Output. It is used to transmit serial data out to the
communication link.
During power on reset, this pin is pulled down internally(20K ±
30%)and is defined as PENKBC, which provides the power on
value for CR24 bit 2.
is recommended if intends to pull up.
General purpose I/O port 6 bit 2.
UART B Serial Output. It is used to transmit serial data out to the
communication link.
IR Transmitter output.
General purpose I/O port 4 bit 2.
Data Carrier Detect. An active low signal indicates the modem or
data set has detected a data carrier.
General purpose I/O port 6 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 4 bit 1.
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 6 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.
W83627EHF/EF, W83627EHG/EG
- 14 -
A 1 kΩ is reserved to pull down
FUNCTION
and a 1 kΩ