FDC37C672QFP SMSC Corporation, FDC37C672QFP Datasheet - Page 139

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

Enhanced Super I/O Controller with Fast IR
Datasheet
SMSC FDC37C672
UART1 FIFO Control
Shadow
UART2 FIFO Control
Shadow
nDTR2
nRTS2
nCTS2
NAME
NAME
NAME
PIN
PIN
PIN
NAME
16 BIT ADDRESS QUAL.
16 BIT ADDRESS
16 BIT ADDRESS
QUAL. (CR24.6)
QUAL. (CR24.6)
(CR24.6)
0
0
1
1
0
0
1
1
0
0
1
1
REG INDEX
MUX CONTROLS
MUX CONTROLS
MUX CONTROLS
0xC3
0xC4
Bit[0] FIFO Enable
Bit[1] RCVR FIFO Reset
Bit[2] XMIT FIFO Reset
Bit[3] DMA Mode Select
Bit[5:4] Reserved
Bit[6] RCVR Trigger (LSB)
Bit[7] RCVR Trigger (MSB)
Bit[0] FIFO Enable
Bit[1] RCVR FIFO Reset
Bit[2] XMIT FIFO Reset
Bit[3] DMA Mode Select
Bit[5:4] Reserved
Bit[6] RCVR Trigger (LSB)
Bit[7] RCVR Trigger (MSB)
Table 19.15 - nDTR2 MUXING
Table 19.14 - nCTS2 MUXING
Table 19.13 - nRTS MUXING
DATASHEET
(LD8:CRC0.2)
(LD8:CRC0.2)
(LD8:CRC0.2)
SERIRQSEL
SERIRQSEL
SERIRQSEL
1
0
1
0
1
0
1
0
1
0
1
0
Page 139
DEFINITION
SELECTED FUNCTION
SELECTED FUNCTION
SELECTED FUNCTION
nRTS2 (default)
nDTR2 (default)
nCTS2 (default)
Reserved
Reserved
Reserved
SA12
IRQ5
SA13
SA14
IRQ6
IRQ7
UNCONNECTED
UNCONNECTED
UNCONNECTED
STATE OF
STATE OF
STATE OF
INPUTS
INPUTS
INPUTS
0
-
-
-
1
0
0
-
-
-
-
-
Rev. 10-29-03
STATE
C
C