SC16C852LIB-F NXP Semiconductors, SC16C852LIB-F Datasheet - Page 37

• Manufacturer Part Number: SC16C852LIB-F
• Manufacturer: NXP Semiconductors

Specifications of SC16C852LIB-F

• Number Of Channels: 2
• Transmitter And Receiver Fifo Counter: Yes
• Data Rate: 5Mbps
• Package Type: LQFP
• Mounting: Surface Mount
• Pin Count: 48
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Compliant

NXP Semiconductors
SC16C852L_3
Product data sheet
7.15 Transmit Interrupt Level register (TXINTLVL)
7.16 Receive Interrupt Level register (RXINTLVL)
Table 26.
[1]
This 8-bit register is used to store the transmit FIFO trigger levels used for DMA and
interrupt generation. Trigger levels from 1 to 128 can be programmed with a granularity
of 1.
Table 27.
[1]
This 8-bit register is used to store the receive FIFO trigger levels used for DMA and
interrupt generation. Trigger levels from 1 to 128 can be programmed with a granularity
of 1.
Table 28.
Cont-3
0
1
0
1
X
X
X
1
0
1
Bit
7:0
Bit
7:0
When using a software flow control the Xon/Xoff characters cannot be used for data transfer.
For 32-byte FIFO mode, refer to
Table 27
Table 28
Symbol
TXINTLVL[7:0]
Symbol
RXINTLVL[7:0]
Cont-2
0
0
1
1
X
X
X
0
1
1
Software flow control functions
TXINTLVL register bits description
RXINTLVL register bits description
shows TXINTLVL register bit settings.
shows RXINTLVL register bit settings.
Cont-1
X
X
X
X
0
1
0
1
1
1
1.8 V dual UART with 128-byte FIFOs and IrDA encoder/decoder
Rev. 03 — 18 January 2008
Description
This register stores the programmable transmit interrupt trigger levels
for 128-byte FIFO mode
Description
This register stores the programmable receive interrupt trigger levels
for 128-byte FIFO mode
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
Cont-0
X
X
X
X
0
0
1
1
1
1
Section
7.3.
TX, RX software flow controls
No transmit flow control
Transmit Xon1/Xoff1
Transmit Xon2/Xoff2
Transmit Xon1 and Xon2/Xoff1 and Xoff2
No receive flow control
Receiver compares Xon1/Xoff1
Receiver compares Xon2/Xoff2
Transmit Xon1/Xoff1
Receiver compares Xon1 or Xon2, Xoff1 or Xoff2
Transmit Xon2/Xoff2
Receiver compares Xon1 or Xon2, Xoff1 or Xoff2
Transmit Xon1 and Xon2, Xoff1 and Xoff2
Receiver compares Xon1 and Xon2, Xoff1 and Xoff2
[1]
[1]
[1]
.
.
SC16C852L
© NXP B.V. 2008. All rights reserved.
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