参数资料
| 型号： | SC16C650BIB48,128 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 17/48页 |
| 文件大小： | 0K |
| 描述： | IC UART SOT313-2 |
| 标准包装： | 2,000 |
| 通道数： | 1，UART |
| FIFO's： | 32 字节 |
| 电源电压： | 2.5V，3.3V，5V |
| 带自动流量控制功能： | 是 |
| 带IrDA 编码器/解码器： | 是 |
| 带故障启动位检测功能： | 是 |
| 带调制解调器控制功能： | 是 |
| 带CMOS： | 是 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-LQFP（7x7） |
| 包装： | 带卷 (TR) |
| 其它名称： | 935274391128 SC16C650BIB48-F SC16C650BIB48-F-ND |
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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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