SC16IS741IPW,128 NXP Semiconductors, SC16IS741IPW,128 Datasheet - Page 23

• Manufacturer Part Number: SC16IS741IPW,128
• Description: IC UART 16TSSOP
• Manufacturer: NXP Semiconductors
• Type: IrDA or RS-232 or RS-485r

Specifications of SC16IS741IPW,128

• Number Of Channels: 1, UART
• Package / Case: 16-TSSOP (0.173", 4.40mm Width)
• Features: RS-485
• Fifo's: 64 Byte
• Protocol: RS232, RS485
• Voltage - Supply: 2.5V, 3.3V
• With Auto Flow Control: Yes
• With Irda Encoder/decoder: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• Mounting Type: Surface Mount
• Data Rate: 5 Mbps
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.3 V
• Supply Current: 6 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 2.5 V, 3.3 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 935290736128

NXP Semiconductors
SC16IS741_1
Product data sheet
8.6 Modem Control Register (MCR)
The MCR controls the interface with the mode, data set, or peripheral device that is
emulating the modem.
Table 17.
[1]
Bit
7
6
5
4
3
2
1
0
MCR[7:5] and MCR[2] can only be modified when EFR[4] is set, that is, EFR[4] is a write enable.
MCR[7]
MCR[6]
MCR[5]
MCR[4]
MCR[3]
MCR[2]
MCR[1]
MCR[0]
Symbol
Modem Control Register bits description
[1]
[1]
[1]
Description
clock divisor
IrDA mode enable
Xon Any
enable loopback
reserved
TCR and TLR enable
RTS
reserved
Single UART with I
logic 0 = divide-by-1 clock input
logic 1 = divide-by-4 clock input
logic 0 = normal UART mode
logic 1 = IrDA mode
logic 0 = disable Xon Any function
logic 1 = enable Xon Any function
logic 0 = normal operating mode
logic 1 = enable local Loopback mode (internal). In this mode the MCR[1:0]
signals are looped back into MSR[4:5] and the TX output is looped back to
the RX input internally.
logic 0 = disable the TCR and TLR register.
logic 1 = enable the TCR and TLR register.
logic 0 = force RTS output to inactive (HIGH)
logic 1 = force RTS output to active (LOW). In Loopback mode, controls
MSR[4]. If Auto RTS is enabled, the RTS output is controlled by hardware
flow control.
Table 17
Rev. 01 — 29 April 2010
shows the Modem Control Register bit settings.
2
C-bus/SPI interface, 64-byte FIFOs, IrDA SIR
SC16IS741
© NXP B.V. 2010. All rights reserved.
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