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| 型号： | SC16C750BIB64,151 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 9/44页 |
| 文件大小： | 0K |
| 描述： | IC UART SINGLE W/FIFO 64-LQFP |
| 产品培训模块： | Stand-Alone UARTs |
| 标准包装： | 160 |
| 通道数： | 1，UART |
| FIFO's： | 64 字节 |
| 电源电压： | 2.5V，3.3V，5V |
| 带自动流量控制功能： | 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： | 64-LQFP |
| 供应商设备封装： | 64-LQFP（10x10） |
| 包装： | 托盘 |
| 产品目录页面： | 828 (CN2011-ZH PDF) |
| 其它名称： | 568-3284 935274403151 SC16C750BIB64-S |
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SC16C750B_5
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 17 October 2008
17 of 44
NXP Semiconductors
SC16C750B
5 V, 3.3 V and 2.5 V UART with 64-byte FIFOs
7.2.1 IER versus Receive FIFO interrupt mode operation
When the receive FIFO (FCR[0] = logic 1), and receive interrupts (IER[0] = logic 1) are
enabled, the receive interrupts and register status will reect the following:
The receive data available interrupts are issued to the external CPU when the FIFO
has reached the programmed trigger level. It will be cleared when the FIFO drops
below the programmed trigger level.
FIFO status will also be reected in the user accessible ISR register when the FIFO
trigger level is reached. Both the ISR register status bit and the interrupt will be
cleared when the FIFO drops below the trigger level.
The data ready bit (LSR[0]) is set as soon as a character is transferred from the shift
register to the receive FIFO. It is reset when the FIFO is empty.
7.2.2 IER versus Receive/Transmit FIFO polled mode operation
When FCR[0] = logic 1, resetting IER[3:0] enables the SC16C750B in the FIFO polled
mode of operation. Since the receiver and transmitter have separate bits in the LSR,
either or both can be used in the polled mode by selecting respective transmit or receive
control bit(s).
LSR[0] will be a logic 1 as long as there is one byte in the receive FIFO.
LSR[4:1] will provide the type of errors encountered, if any.
LSR[5] will indicate when the transmit FIFO is empty.
LSR[6] will indicate when both the transmit FIFO and transmit shift register are empty.
LSR[7] will indicate any FIFO data errors.
1
IER[1]
Transmit Holding Register interrupt. This interrupt will be issued whenever the
THR is empty, and is associated with LSR[1].
logic 0 = disable the transmitter empty interrupt (normal default condition)
logic 1 = enable the transmitter empty interrupt
0
IER[0]
Receive Holding Register interrupt. This interrupt will be issued when the FIFO
has reached the programmed trigger level, or is cleared when the FIFO drops
below the trigger level in the FIFO mode of operation.
logic 0 = disable the receiver ready interrupt (normal default condition)
logic 1 = enable the receiver ready interrupt
Table 9.
Interrupt Enable Register bits description …continued
Bit
Symbol
Description
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| SC16C750BIB64-F | 功能描述:UART 接口集成电路 16CB 2.5V-5V 1CH UART 64B FIFO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| SC16C750BIB64-S | 功能描述:UART 接口集成电路 16CB 2.5V-5V 1CH UART 64B FIFO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| SC16C750BIBS | 功能描述:UART 接口集成电路 16CB 2.5V-5V 1CH UART 64B FIFO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| SC16C750BIBS,128 | 功能描述:UART 接口集成电路 16CB 2.5V-5V 1CH RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| SC16C750BIBS,151 | 功能描述:UART 接口集成电路 1CH. UART 64B FIFO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
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