FDC37C665IR SMSC Corporation, FDC37C665IR Datasheet - Page 9

• Manufacturer Part Number: FDC37C665IR
• Description: 3/5 Volt Advanced High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controller with Infranred Support
• Manufacturer: SMSC Corporation

PIN NO.
91
83
93
89
nRequest to
Send
nData Terminal
Ready
nData Terminal
Ready
Transmit Data 2
NAME
DESCRIPTION OF PIN FUNCTIONS
nRTS2
nDTR1
nDTR2
TXD2
IRTX
SYMBOL
BUFFER
TYPE
O12
O12
O2
O2
O2
9
Active low Request to Send output for
Secondary Serial Port. Handshake output
signal notifies modem that the UART is
ready to transmit data. This signal can be
programmed by writing to bit 1 of Modem
Control Register (MCR).
reset will reset the nRTS signal to inactive
mode (high).
mode operation.
Active low Data Terminal Ready output for
primary serial port.
signal notifies modem that the UART is
ready to establish data communication link.
to bit 0 of Modem Control Register (MCR).
The hardware reset will reset the nDTR
signal to inactive mode (high).
inactive during loop mode operation.
Active low Data Terminal Ready output for
secondary serial port.
signal notifies modem that the UART is
ready to establish data communication link.
to bit 0 of Modem Control Register (MCR),
The hardware reset will reset the nDTR
signal to inactive mode (high).
inactive during loop mode operation.
Transmitter
Secondary Serial Port.
Transmitter Serial IR Data output from
Secondary Serial Port.
This signal can be programmed by writing
This signal can be programmed by writing
Serial
DESCRIPTION
Forced inactive during loop
Data
Handshake output
Handshake output
The hardware
output
Forced
Forced
from