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参数资料
| 型号： | XR16V564DIV-F |
| 厂商： | Exar Corporation |
| 文件页数： | 3/54页 |
| 文件大小： | 0K |
| 描述： | IC UART FIFO 32B QUAD 64LQFP |
| 标准包装： | 160 |
| 特点： | * |
| 通道数： | 4，QUART |
| FIFO's： | 32 字节 |
| 规程： | RS232 |
| 电源电压： | 2.25 V ~ 3.6 V |
| 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： | 64-LQFP |
| 供应商设备封装： | 64-LQFP（10x10） |
| 包装： | 托盘 |
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XR16V564/564D
11
REV. 1.0.4
2.25V TO 3.6V QUAD UART WITH 32-BYTE FIFO
2.2
Device Reset
The RESET input resets the internal registers and the serial interface outputs in both channels to their default
state (see Table 17). An active high pulse of longer than 40 ns duration will be required to activate the reset
function in the device. Following a power-on reset or an external reset, the V564 is software compatible with
previous generation of UARTs, 16C454 and 16C554.
2.3
Channel Selection
The UART provides the user with the capability to bi-directionally transfer information between an external
CPU and an external serial communication device. During Intel Bus Mode (16/68# pin is connected to VCC), a
LOW on chip select pins, CSA#, CSB#, CSC# or CSD# allows the user to select UART channel A, B, C or D to
configure, send transmit data and/or unload receive data to/from the UART. Selecting all four UARTs can be
useful during power up initialization to write to the same internal registers, but do not attempt to read from all
four uarts simultaneously. Individual channel select functions are shown in Table 1.
TABLE 1: CHANNEL A-D SELECT IN 16 MODE
CSA#
FUNCTION
1
UART de-selected
0
1
Channel A selected
1
0
1
Channel B selected
1
0
1
Channel C selected
1
0
Channel D selected
0
Channels A-D selected
During Motorola Bus Mode (16/68# pin is connected to GND), the package interface pins are configured for
connection with Motorola, and other popular microprocessor bus types. In this mode the V564 decodes two
additional addresses, A3 and A4, to select one of the four UART ports. The A3 and A4 address decode
function is used only when in the Motorola Bus Mode. See Table 2.
TABLE 2: CHANNEL A-D SELECT IN 68 MODE
CS#
FUNCTION
1
X
UART de-selected
0
Channel A selected
0
1
Channel B selected
0
1
0
Channel C selected
0
1
Channel D selected
CSB# CSC# CSD#
A4
A3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XR16V564DIVTR-F | 制造商:Exar Corporation 功能描述:UART 4-CH 32Byte FIFO 2.5V/3.3V 64-Pin LQFP T/R 制造商:Exar Corporation 功能描述:XR16V564DIVTR-F |
| XR16V564IJ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| XR16V564IJ-0A-EVB | 功能描述:UART 接口集成电路 Supports V564 68 ld PLCC, ISA Interface 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 |
| XR16V564IJ-F | 功能描述:UART 接口集成电路 UART 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 |
| XR16V564IJTR-F | 制造商:Exar Corporation 功能描述:UART 4-CH 32Byte FIFO 2.5V/3.3V 68-Pin PLCC T/R 制造商:Exar Corporation 功能描述:XR16V564IJTR-F |
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