FDC37B787QF SMSC [SMSC Corporation], FDC37B787QF Datasheet - Page 71
FDC37B787QF
Manufacturer Part Number
FDC37B787QF
Description
Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.FDC37B787QF.pdf
(249 pages)
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(see Configuration section) define the base
addresses of the serial ports.
registers are located at sequentially increasing
addresses above these base addresses. The chip
*Note: DLAB is Bit 7 of the Line Control Register
DLAB*
X
X
X
X
X
X
X
0
0
0
1
1
A2
0
0
0
0
0
0
1
1
1
1
0
0
TABLE 33 - ADDRESSING THE SERIAL PORT
The Serial Port
A1
0
0
0
1
1
1
0
0
1
1
0
0
A0
0
0
1
0
0
1
0
1
0
1
0
1
72
Receive Buffer (read)
Transmit Buffer (write)
Interrupt Enable (read/write)
Interrupt Identification (read)
FIFO Control (write)
Line Control (read/write)
Modem Control (read/write)
Line Status (read/write)
Modem Status (read/write)
Scratchpad (read/write)
Divisor LSB (read/write)
Divisor MSB (read/write
contains two serial ports, each of which contain a
register set as described below.
REGISTER NAME
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