參數(shù)資料
型號(hào)： SC16C650BIB48,128
廠商： NXP Semiconductors
文件頁數(shù)： 17/48頁
文件大小： 0K
描述： IC UART SOT313-2
標(biāo)準(zhǔn)包裝： 2,000
通道數(shù)： 1，UART
FIFO's： 32 字節(jié)
電源電壓： 2.5V，3.3V，5V
帶自動(dòng)流量控制功能： 是
帶IrDA 編碼器/解碼器： 是
帶故障啟動(dòng)位檢測(cè)功能： 是
帶調(diào)制解調(diào)器控制功能： 是
帶CMOS： 是
安裝類型： 表面貼裝
封裝/外殼： 48-LQFP
供應(yīng)商設(shè)備封裝： 48-LQFP（7x7）
包裝： 帶卷 (TR)
其它名稱： 935274391128
SC16C650BIB48-F
SC16C650BIB48-F-ND
SC16C650B_4
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 14 September 2009
24 of 48
NXP Semiconductors
SC16C650B
UART with 32-byte FIFOs and IrDA encoder/decoder
5
MCR[5]
INT type select.
logic 0 = enable interrupt output mode (normal default condition)
logic 1 = enable open source interrupt output mode. Provides shared
interrupts by producing a wire-OR output driver capability for interrupts. This
output appears at the INT pin. When using this option, an external pull-down
resistor of 200
to 500 must be tied from the INT pin to ground to provide
an acceptable logic 0 level
4
MCR[4]
Loopback. Enable the local loopback mode (diagnostics). In this mode the
transmitter output (TX) and the receiver input (RX), CTS, DSR, DCD, and RI are
disconnected from the SC16C650B I/O pins. Internally the modem data and
control pins are connected into a loopback data conguration (see Figure 7). In
this mode, the receiver and transmitter interrupts remain fully operational. The
Modem Control Interrupts are also operational, but the interrupts’ sources are
switched to the lower four bits of the Modem Control. Interrupts continue to be
controlled by the IER register.
logic 0 = disable loopback mode (normal default condition)
logic 1 = enable local loopback mode (diagnostics)
3
MCR[3]
OUT2. In the loopback mode this bit is used to control the modem DCD signal
via OUT2.
logic 0 = OUT2 is at logic 1. In the loopback mode, sets OUT2 (DCD)
internally to a logic 1.
logic 1 = OUT2 is at logic 0. In the loopback mode, sets OUT2 (DCD)
internally to a logic 0.
2
MCR[2]
OUT1, OUT. In the loopback mode, this bit is used to control modem RI interface
signal via OUT1 (OUT in the HVQFN32 package).
logic 0 = OUT1/OUT is at logic 1. In the loopback mode, sets RI internally to
logic 1.
logic 1 = OUT1/OUT is set at logic 0. In the loopback mode, sets RI internally
to logic 0.
1
MCR[1]
RTS
logic 0 = force RTS output to a logic 1 (normal default condition)
logic 1 = force RTS output to a logic 0
0
MCR[0]
DTR
logic 0 = force DTR output to a logic 1 (normal default condition)
logic 1 = force DTR output to a logic 0
Table 19.
Modem Control Register bits description …continued
Bit
Symbol
Description
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