sc16is741ipw NXP Semiconductors, sc16is741ipw Datasheet - Page 24

• Manufacturer Part Number: sc16is741ipw
• Description: Single Uart With I2c-bus/spi Interface, 64 Bytes Of Transmit And Receive Fifos, Irda Sir Built-in Support
• Manufacturer: NXP Semiconductors

NXP Semiconductors
SC16IS741_1
Product data sheet
8.7 Modem Status Register (MSR)
This 8-bit register provides information about the current state of the control lines from the
modem, data set, or peripheral device to the host. It also indicates when a control input
from the modem changes state.
Table 18.
Bit
7
6
5
4
3
2
1
0
Symbol
MSR[7]
MSR[6]
MSR[5]
MSR[4]
MSR[3]
MSR[2]
MSR[1]
MSR[0]
Modem Status Register bits description
CTS (active HIGH, logical 1). This bit is the complement of the CTS input.
Description
reserved
reserved
reserved
reserved
reserved
reserved
ΔCTS. Indicates that CTS input has changed state. Cleared on a read.
Single UART with I
Rev. 01 — 29 April 2010
Table 18
2
shows Modem Status Register bit settings.
C-bus/SPI interface, 64-byte FIFOs, IrDA SIR
SC16IS741
© NXP B.V. 2010. All rights reserved.
24 of 52