參數(shù)資料
型號: SC16C850IBS,157
廠商: NXP Semiconductors
文件頁數(shù): 27/55頁
文件大?。?/td> 0K
描述: IC UART SGL W/FIFO 32HVQFN
標準包裝: 2,450
特點: 可編程
通道數(shù): 1,UART
FIFO's: 128 字節(jié)
規(guī)程: RS485
電源電壓: 2.5 V ~ 3.3 V
帶自動流量控制功能:
帶IrDA 編碼器/解碼器:
帶故障啟動位檢測功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 32-HVQFN(5x5)
包裝: 托盤
SC16C850
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 2 — 11 November 2010
33 of 55
NXP Semiconductors
SC16C850
2.5 to 3.3 V UART with 128-byte FIFOs and IrDA encoder/decoder
[1]
When using a software flow control the Xon/Xoff characters cannot be used for data transfer.
7.15 Transmit Interrupt Level Register (TXINTLVL)
This 8-bit register is used to store the transmit FIFO trigger levels used for interrupt
generation. Trigger levels from 1 to 128 can be programmed with a granularity of 1.
Table 25 shows the TXINTLVL register bit settings.
[1]
For 32-byte FIFO mode, refer to Section 7.3.
7.16 Receive Interrupt Level Register (RXINTLVL)
This 8-bit register is used store the receive FIFO trigger levels used for interrupt
generation. Trigger levels from 1 to 128 can be programmed with a granularity of 1.
Table 26 shows the RXINTLVL register bit settings.
Table 24.
Software flow control functions[1]
Cont-3
Cont-2
Cont-1
Cont-0
TX, RX software flow controls
0
X
No transmit flow control
1
0
X
Transmit Xon1/Xoff1
0
1
X
Transmit Xon2/Xoff2
1
X
Transmit Xon1 and Xon2/Xoff1 and Xoff2
X
0
No receive flow control
X
1
0
Receiver compares Xon1/Xoff1
X
0
1
Receiver compares Xon2/Xoff2
1
0
1
Transmit Xon1/Xoff1
Receiver compares Xon1 or Xon2, Xoff1 or Xoff2
0
1
Transmit Xon2/Xoff2
Receiver compares Xon1 or Xon2, Xoff1 or Xoff2
1
Transmit Xon1 and Xon2, Xoff1 and Xoff2
Receiver compares Xon1 and Xon2, Xoff1 and Xoff2
Table 25.
TXINTLVL register bits description
Bit
Symbol
Description
7:0
TXINTLVL[7:0]
This register stores the programmable transmit interrupt trigger levels
for 128-byte FIFO mode[1].
0x00 = trigger level is set to 1
0x01 = trigger level is set to 1
...
0x80 = trigger level is set to 128
Table 26.
RXINTLVL register bits description
Bit
Symbol
Description
7:0
RXINTLVL[7:0]
This register stores the programmable receive interrupt trigger levels
for 128-byte FIFO mode[1].
0x00 = trigger level is set to 1
0x01 = trigger level is set to 1
...
0x80 = trigger level is set to 128
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