FDC37C672QFP SMSC Corporation, FDC37C672QFP Datasheet - Page 74

• Manufacturer Part Number: FDC37C672QFP
• Description: ENHANCED SUPER I/O CONTROLLER WITH FAST IR
• Manufacturer: SMSC Corporation

Note 9.2 The percentage error for all baud rates, except where indicated otherwise, is 0.2%.
SMSC FDC37C672
Interrupt Enable Register
Interrupt Identification Reg.
FIFO Control
Line Control Reg.
MODEM Control Reg.
Line Status Reg.
MODEM Status Reg.
TXD1, TXD2
INTRPT (RCVR errs)
INTRPT (RCVR Data Ready)
INTRPT (THRE)
OUT2B
RTSB
DTRB
OUT1B
RCVR FIFO
XMIT FIFO
BAUD RATE
DESIRED
115200
230400
460800
19200
38400
57600
2000
2400
3600
4800
7200
9600
REGISTER/SIGNAL
GENERATE 16X CLOCK
DIVISOR USED TO
32770
32769
58
48
32
24
16
12
6
3
2
1
Table 9.4 - Reset Function Table
RESET/ReadIIR/Write THR
DATASHEET
FCR1*FCR0/_FCR0
FCR1*FCR0/_FCR0
RESET CONTROL
RESET/Read RBR
RESET/Read LSR
PERCENT ERROR DIFFERENCE BETWEEN
RESET/
RESET/
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
Page 74
DESIRED AND ACTUAL
(Note 9.2)
0.005
0.030
0.16
0.16
0.16
0.16
-
-
-
-
-
-
All bits low
Bit 0 is high; Bits 1 - 7 low
All bits low
All bits low
All bits low
All bits low except 5, 6 high
Bits 0 - 3 low; Bits 4 - 7 input
High
Low
Low
Low
High
High
High
High
All Bits Low
All Bits Low
Enhanced Super I/O Controller with Fast IR
RESET STATE
BIT 7 OR 6
Rev. 10-29-03
CRXX:
X
X
X
X
X
X
X
X
X
X
1
1
Datasheet