DS21348 参数 Datasheet PDF下载

DS21348/Q348

2.列出表

表4-1总线接口选择........................................... .................................................. 9 ...

表4-2A引脚分配并行端口模式........................................ ...................... 10

并口模式表4-2B引脚说明（排序由引脚名称， DS21348T引脚

编号） .......................................................................................................................................... 11

表4-3A引脚分配串口模式........................................ ............................. 13

串行端口模式表4-3B引脚说明（排序由引脚名称， DS21348T引脚

编号） .......................................................................................................................................... 14

表4-4A引脚配置在硬件模式下......................................... .............................. 16

在硬件模式下表4-4B引脚说明（排序由引脚名称， DS21348T引脚

编号） .......................................................................................................................................... 17

表4-5环回控制硬件模式下......................................... ....................... 20

表4-6发送数据控制在硬件模式下........................................ ............. 20

表4-7接收灵敏度设置........................................... ........................................... 20

表4-8 MONITOR增益设置........................................... .................................................. ..... 20

表4-9内部RX终止SELECT .......................................... ................................... 20

表4-10 MCLK SELECTION................................................................................................................ 20

表5-1寄存器映射....................................................................................................................... 23

表6-1 MCLK SELECTION.................................................................................................................. 29

表6-2接收灵敏度设置........................................... ........................................... 31

表6-3 BACK PLANE时钟选择.......................................... .................................................. 32

表6-4 MONITOR增益设置........................................... .................................................. ..... 32

表6-5内部RX终止SELECT .......................................... ................................... 33

表7-1收到报警标准........................................... .................................................. 35

表7-2接收电平INDICATION............................................................................................. 38

表8-1传送程序LENGTH................................................................................................... 40

表8-2接收代码长度...................................................................................................... 40

接收的误码表8-3定义.......................................... ........................................ 44

表8-4函数的ECRS BITS和RNEG PIN ....................................... ................................. 45

表9-1 LINE打造出了SELECT FOR E1寄存器中CCR4 （ ETS = 0 ） ................................ 。 48

表9-2 LINE打造出了SELECT FOR T1寄存器中CCR4 （ ETS = 1 ） ................................ 。 48

表9-3变压器规格采用3.3V电源工作........................................ .... 48

表10-1 DS21Q348 PIN ASSIGNMENT.............................................................................................. 55

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