参数资料
型号: SC16C754BIA68,529
厂商: NXP Semiconductors
文件页数: 9/50页
文件大小: 0K
描述: IC UART QUAD 64BYTE 68PLCC
标准包装: 18
通道数: 4,QUART
FIFO's: 64 字节
电源电压: 2.5V,3.3V,5V
带自动流量控制功能:
带故障启动位检测功能:
带调制解调器控制功能:
安装类型: 表面贴装
封装/外壳: 68-LCC(J 形引线)
供应商设备封装: 68-PLCC
包装: 管件
其它名称: 935274938529
SC16C754BIA68-S
SC16C754BIA68-S-ND
SC16C754B_4
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 6 October 2008
17 of 51
NXP Semiconductors
SC16C754B
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs
6.6 DMA operation
There are two modes of DMA operation, DMA mode 0 or DMA mode 1, selected by
FCR[3].
In DMA mode 0 or FIFO disable (FCR[0] = 0) DMA occurs in single character transfers. In
DMA mode 1, multi-character (or block) DMA transfers are managed to relieve the
processor for longer periods of time.
6.6.1 Single DMA transfers (DMA mode 0/FIFO disable)
Figure 11 shows TXRDY and RXRDY in DMA mode 0/FIFO disable.
6.6.1.1
Transmitter
When empty, the TXRDY signal becomes active. TXRDY will go inactive after one
character has been loaded into it.
6.6.1.2
Receiver
RXRDY is active when there is at least one character in the FIFO. It becomes inactive
when the receiver is empty.
Fig 11. TXRDY and RXRDY in DMA mode 0/FIFO disable
TX
wrptr
FIFO EMPTY
TXRDY
RX
rdptr
FIFO EMPTY
RXRDY
002aaa232
at least one
location filled
at least one
location filled
TXRDY
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相关代理商/技术参数
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SC16C754BIA68-S 功能描述:UART 接口集成电路 16CB 2.5V-5V 4CH 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
SC16C754BIA68-T 功能描述:UART 接口集成电路 4CH. 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
SC16C754BIB80 制造商:NXP Semiconductors 功能描述:IC UART QUAD 64BYTE FIFO 16C754 制造商:NXP Semiconductors 功能描述:IC, UART, QUAD, 64BYTE FIFO, 16C754 制造商:NXP Semiconductors 功能描述:IC, UART, QUAD, 64BYTE FIFO, 16C754; No. of Channels:4; Data Rate:5Mbps; Supply Voltage Min:2.25V; Supply Voltage Max:5.5V; Digital IC Case Style:LQFP; No. of Pins:80; Operating Temperature Min:-40C; Operating Temperature Max:85C; ;RoHS Compliant: Yes
SC16C754BIB80,528 功能描述:UART 接口集成电路 16CB 2.5V-5V 4CH 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
SC16C754BIB80,551 功能描述:UART 接口集成电路 16CB 2.5V-5V 4CH 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