參數(shù)資料
型號(hào)： SC16C850LIB
廠商： NXP Semiconductors N.V.
元件分類： 收發(fā)器
英文描述： 1.8 V single UART, 5 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA) and 16 mode or 68 mode parallel bus interface
封裝： SC16C850LIB<SOT313|<<<1<Always Pb-free,;SC16C850LIB<SOT313|<<<1<Always Pb-free,;SC16C850LIB<SOT313|<<<1<Always Pb-free,;SC16C850LIBS<SOT617-1 (HVQFN3
文件頁數(shù)： 16/55頁
文件大?。?/td> 1029K
代理商： SC16C850LIB
SC16C850L
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 5 — 1 February 2011
16 of 55
NXP Semiconductors
SC16C850L
1.8 V single UART with 128-byte FIFOs and IrDA encoder/decoder
6.10 Loopback mode
The internal loopback capability allows on-board diagnostics. In the Loopback mode, the
normal modem interface pins are disconnected and reconfigured for loopback internally
(see
Figure 9
). MCR[3:0] register bits are used for controlling loopback diagnostic testing.
In the Loopback mode, the transmitter output (TX) and the receiver input (RX) are
disconnected from their associated interface pins, and instead are connected together
internally. The CTS, DSR, CD, and RI are disconnected from their normal modem control
input pins, and instead are connected internally to RTS, DTR, MCR[3] (OP2) and MCR[2]
(OP1). Loopback test data is entered into the transmit holding register via the user data
bus interface, D[7:0]. The transmit UART serializes the data and passes the serial data to
the receive UART via the internal loopback connection. The receive UART converts the
serial data back into parallel data that is then made available at the user data interface
D[7:0]. The user optionally compares the received data to the initial transmitted data for
verifying error-free operation of the UART TX/RX circuits.
In this mode, the interrupt pin is 3-stated, therefore, the software must use the polling
method (see
Section 7.2.2
) to send and receive data.
38.4 k
57.6 k
115.2 k
3
2
1
03
02
01
00
00
00
03
02
01
Table 7.
Baud rate generator programming table using a 1.8432 MHz clock when
MCR[7] = 0 and CLKPRES[3:0] = 0
…continued
Output
16
clock divisor
(decimal)
(hexadecimal)
Output
baud rate
(bit/s)
Output
16
clock divisor
DLM
program value
(hexadecimal)
DLL
program value
(hexadecimal)
相關(guān)PDF資料
PDF描述
SC16C850LIBS 1.8 V single UART, 5 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA) and 16 mode or 68 mode parallel bus interface
SC16C850LIET 1.8 V single UART, 5 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA) and 16 mode or 68 mode parallel bus interface
SC16C850SVIBS 1.8 V single UART, 20 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA), and XScale VLIO bus interface
SC16C850VIBS 1.8 V single UART, 5 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA), and XScale VLIO bus interface
SC16C852LIB 1.8 V dual UART, 5 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA) and 16 mode or 68 mode bus interface
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC16C850LIB,128 制造商:NXP Semiconductors 功能描述:
SC16C850LIB,151 制造商:NXP Semiconductors 功能描述:
SC16C850LIB,157 制造商:NXP Semiconductors 功能描述:
SC16C850LIBS 功能描述:UART 接口集成電路 1.8V 1 CH UART 128B FIFO 5MBPS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
SC16C850LIBS,115 功能描述:UART 接口集成電路 1.8V 1 CH UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
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