FDC37C665GT_07 SMSC [SMSC Corporation], FDC37C665GT_07 Datasheet - Page 10

• Manufacturer Part Number: FDC37C665GT_07
• Description: High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controllers
• Manufacturer: SMSC [SMSC Corporation]

PIN NO.
81
91
nRequest to
Send
Parallel Port
Configuration
Control
nRequest to
Send
Secondary Serial
Port
Configuration
Control
NAME
DESCRIPTION OF PIN FUNCTIONS
nRTS1
PCF1
nRTS2
S2CF0
SYMBOL
BUFFER
TYPE
O4
O4
I
I
10
Active low Request to Send output for
Primary Serial Port.
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.
FDC37C666GT (Adapter Mode): Parallel
Port Configuration Control 1. During reset
active this input is read and latched to
define the address of the Parallel Port.
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.
FDC37C666GT (Adapter Mode): Secondary
Serial Port Configuration Control 0. During
Reset active this input is read and latched to
define the address of the Secondary Serial
Port.
DESCRIPTION
Forced inactive during loop
Forced inactive during loop
Handshake output
The hardware
The hardware