SC16IS762IBS NXP Semiconductors, SC16IS762IBS Datasheet - Page 28
SC16IS762IBS
Manufacturer Part Number
SC16IS762IBS
Description
UART Interface IC I2C/SPI-UARTBRIDGE W/IRDA AND GPIO
Manufacturer
NXP Semiconductors
Type
RS-232 or RS-485 or IrDAr
Datasheet
1.SC16IS762IBS.pdf
(60 pages)
Specifications of SC16IS762IBS
Product Category
UART Interface IC
Rohs
yes
Number Of Channels
2
Data Rate
5 Mbps
Supply Voltage - Max
3.6 V
Supply Voltage - Min
2.3 V
Supply Current
6 mA
Maximum Operating Temperature
+ 95 C
Minimum Operating Temperature
- 40 C
Package / Case
HVQFN-32
Mounting Style
SMD/SMT
Operating Supply Voltage
2.5 V, 3.3 V
Factory Pack Quantity
2450
Part # Aliases
SC16IS762IBS,157
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NXP Semiconductors
SC16IS752_SC16IS762
Product data sheet
8.10 Scratchpad Register (SPR)
8.9 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.
channel.
Table 21.
Remark: The primary inputs RI, CD, CTS, DSR are all active LOW.
The SC16IS752/SC16IS762 provides a temporary data register to store 8 bits of user
information.
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
All information provided in this document is subject to legal disclaimers.
Dual UART with I
Description
CD (active HIGH, logical 1). If GPIO6 or GPIO2 is selected as CD
modem pin through IOControl register bit 1 or bit 2, the state of CD pin
can be read from this bit. This bit is the complement of the CD input.
Reading IOState bit 6 or bit 2 does not reflect the true state of CD pin.
pin through IOControl register bit 1 or bit 2, the state of RI pin can be
read from this bit. This bit is the complement of the RI input. Reading
IOState bit 7 or bit 3 does not reflect the true state of RI pin.
DSR (active HIGH, logical 1). If GPIO4 or GPIO0 is selected as DSR
modem pin through IOControl register bit 1 or bit 2, the state of DSR pin
can be read from this bit. This bit is the complement of the DSR input.
Reading IOState bit 4 or bit 0 does not reflect the true state of DSR pin.
CTS (active HIGH, logical 1). This bit is the complement of the CTS
input.
CD. Indicates that CD input has changed state. Cleared on a read.
RI. Indicates that RI input has changed state from LOW to HIGH.
Cleared on a read.
DSR. Indicates that DSR input has changed state. Cleared on a read.
CTS. Indicates that CTS input has changed state. Cleared on a read.
RI (active HIGH, logical 1). If GPIO7 or GPIO3 is selected as RI modem
Rev. 9 — 22 March 2012
Table 21
SC16IS752; SC16IS762
2
shows Modem Status Register bit settings per
C-bus/SPI interface, 64-byte FIFOs, IrDA SIR
© NXP B.V. 2012. All rights reserved.
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