FDC37C669-MT SMSC, FDC37C669-MT Datasheet - Page 83
FDC37C669-MT
Manufacturer Part Number
FDC37C669-MT
Description
IC CTRLR SUPER I/O FLPPY 100TQFP
Manufacturer
SMSC
Datasheet
1.FDC37C669-MT.pdf
(162 pages)
Specifications of FDC37C669-MT
Controller Type
I/O Controller
Interface
ISA Host
Voltage - Supply
4.5 V ~ 5.5 V
Current - Supply
25mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
638-1008
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
FDC37C669-MT
Manufacturer:
Microchip Technology
Quantity:
10 000
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*DLAB is Bit 7 of the Line Control Register (ADDR = 3).
Note 1: Bit 0 is the least significant bit. It is the first bit serially transmitted or received.
Note 2: When operating in the XT mode, this bit will be set any time that the transmitter shift register is empty.
ADDR = 0
DLAB = 0
ADDR = 0
DLAB = 0
ADDR = 1
DLAB = 0
ADDR = 2
ADDR = 2
ADDR = 3
ADDR = 4
ADDR = 5
ADDR = 6
ADDR = 7
ADDR = 0
ADDR = 1
DLAB = 1
DLAB = 1
ADDRESS*
REGISTER
Table 35 - Register Summary for an Individual UART Channel
Receive Buffer Register (Read Only)
Transmitter Holding Register (Write
Only)
Interrupt Enable Register
Interrupt Ident. Register (Read Only)
FIFO Control Register (Write Only)
Line Control Register
MODEM Control Register
Line Status Register
MODEM Status Register
Scratch Register (Note 4)
Divisor Latch (LS)
Divisor Latch (MS)
REGISTER NAME
83
REGISTER
SYMBOL
MCR
MSR
RBR
THR
SCR
DLM
FCR
LCR
LSR
DDL
IER
IIR
Data Bit 0
(Note 1)
Data Bit 0
Enable
Received
Data
Available
Interrupt
(ERDAI)
"0" if Interrupt
Pending
FIFO Enable
Word Length
Select Bit 0
(WLS0)
Data
Terminal
Ready (DTR)
Data Ready
(DR)
Delta Clear to
Send (DCTS)
Bit 0
Bit 0
Bit 8
BIT 0
Data Bit 1
Data Bit 1
Enable
Transmitter
Holding
Register
Empty
Interrupt
(ETHREI)
Interrupt ID
Bit
RCVR FIFO
Reset
Word Length
Select Bit 1
(WLS1)
Request to
Send (RTS)
Overrun Error
(OE)
Delta Data
Set Ready
(DDSR)
Bit 1
Bit 1
Bit 9
BIT 1
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