SC16C850IBS,157 NXP Semiconductors, SC16C850IBS,157 Datasheet - Page 34

• Manufacturer Part Number: SC16C850IBS,157
• Description: IC UART SGL W/FIFO 32HVQFN
• Manufacturer: NXP Semiconductors

Specifications of SC16C850IBS,157

• Features: Programmable
• Number Of Channels: 1, UART
• Fifo's: 128 Byte
• Protocol: RS485
• Voltage - Supply: 2.5 V ~ 3.3 V
• With Auto Flow Control: Yes
• With Irda Encoder/decoder: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN Exposed Pad
• Transmitter And Receiver Fifo Counter: Yes
• Data Rate: 5Mbps
• Mounting: Surface Mount
• Pin Count: 32
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
SC16C850
Product data sheet
7.17 Flow Control Trigger Level High (FLWCNTH)
7.18 Flow Control Trigger Level Low (FLWCNTL)
7.19 Clock Prescaler (CLKPRES)
[1]
This 8-bit register is used to store the receive FIFO high threshold levels to start/stop
transmission during hardware/software flow control.
register bit settings; see
Table 27.
[1]
This 8-bit register is used to store the receive FIFO low threshold levels to start/stop
transmission during hardware/software flow control.
register bit settings; see
Table 28.
[1]
This register hold values for the clock prescaler.
Table 29.
Bit
7:0
Bit
7:0
Bit
7:4
3:0
For 32-byte FIFO mode, refer to
For 32-byte FIFO mode, refer to
For 32-byte FIFO mode, refer to
FLWCNTH[7:0]
FLWCNTL[7:0]
CLKPRES[7:4]
Symbol
Symbol
Symbol
CLKPRES[3:0]
FLWCNTH register bits description
FLWCNTL register bits description
Clock Prescaler register bits description
All information provided in this document is subject to legal disclaimers.
2.5 to 3.3 V UART with 128-byte FIFOs and IrDA encoder/decoder
Rev. 2 — 11 November 2010
Section
Section
This register stores the programmable HIGH threshold level for
This register stores the programmable LOW threshold level for
reserved
Clock Prescaler value. Reset to 0.
Description
hardware and software flow control for 128-byte FIFO mode
Description
hardware and software flow control for 128-byte FIFO mode
Description
0x00 = trigger level is set to 1
0x01 = trigger level is set to 1
...
0x80 = trigger level is set to 128
0x00 = trigger level is set to 1
0x01 = trigger level is set to 1
...
0x80 = trigger level is set to 128
Section
Section
Section
6.5.
6.5.
7.3.
7.3.
7.3.
Table 27
Table 28
shows the FLWCNTH
shows the FLWCNTL
SC16C850
© NXP B.V. 2010. All rights reserved.
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