SC16C550BIN40,112 NXP Semiconductors, SC16C550BIN40,112 Datasheet - Page 25
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SC16C550BIN40,112
Manufacturer Part Number
SC16C550BIN40,112
Description
IC UART 40-DIP
Manufacturer
NXP Semiconductors
Datasheet
1.SC16C550BIA44518.pdf
(48 pages)
Specifications of SC16C550BIN40,112
Features
Programmable
Number Of Channels
1, UART
Fifo's
16 Byte
Voltage - Supply
2.5V, 3.3V, 5V
With Auto Flow Control
Yes
With False Start Bit Detection
Yes
With Modem Control
Yes
With Cmos
Yes
Mounting Type
Through Hole
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
935274386112
SC16C550BIN40
SC16C550BIN40
SC16C550BIN40
SC16C550BIN40
NXP Semiconductors
SC16C550B_5
Product data sheet
7.6 Modem Control Register (MCR)
This register controls the interface with the modem or a peripheral device.
Table 19.
Bit
7
6
5
4
3
2
1
0
Symbol
MCR[7]
MCR[6]
MCR[5]
MCR[4]
MCR[3]
MCR[2]
MCR[1]
MCR[0]
Modem Control Register bits description
Description
reserved; set to ‘0’
reserved; set to ‘0’
Auto flow control enable.
Loopback. Enable the local loopback mode (diagnostics). In this mode the
transmitter output (TX) and the receiver input (RX), CTS, DSR, DCD, and
RI are disconnected from the SC16C550B I/O pins. Internally the modem
data and control pins are connected into a loopback data configuration
(see
remain fully operational. The Modem Control Interrupts are also
operational, but the interrupts’ sources are switched to the lower four bits
of the Modem Control. Interrupts continue to be controlled by the IER
register.
OUT2. Used to control the modem DCD signal in the loopback mode.
OUT1. This bit is used in the Loopback mode only. In the loopback mode,
this bit is used to write the state of the modem RI interface signal via
OUT1.
RTS
DTR
Rev. 05 — 1 October 2008
logic 0 = disable loopback mode (normal default condition)
logic 1 = enable local loopback mode (diagnostics)
logic 0 = OUT2 is at logic 1. In the loopback mode, sets OUT2 (DCD)
internally to a logic 1.
logic 1 = OUT2 is at logic 0. In the loopback mode, sets OUT2 (DCD)
internally to a logic 0.
logic 0 = force RTS output to a logic 1 (normal default condition)
logic 1 = force RTS output to a logic 0
logic 0 = force DTR output to a logic 1 (normal default condition)
logic 1 = force DTR output to a logic 0
Figure
11). In this mode, the receiver and transmitter interrupts
5 V, 3.3 V and 2.5 V UART with 16-byte FIFOs
SC16C550B
© NXP B.V. 2008. All rights reserved.
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