3
目 录
一.芯片简介...........................................................................................................................5
二.功能特点...........................................................................................................................5
三.典型应用...........................................................................................................................6
四.PIN 说明 ...........................................................................................................................6
五.功能描述...........................................................................................................................7
1 CPU 接口模块.......................................................................................................8
2 寄存器处理模块...................................................................................................8
4 定时器模块...........................................................................................................8
5 DMA 控制器模块 .................................................................................................9
7. 地址识别模块......................................................................................................9
8 接收模块...............................................................................................................9
9 发送模块.............................................................................................................10
A 时钟产生模块....................................................................................................10
B 中断处理模块....................................................................................................10
六.地址映射.........................................................................................................................11
七. FBC0409 寄存器..............................................................................................................11
八. 封装信息..........................................................................................................................22
九. 性能指标..........................................................................................................................24
1 温度特性..............................................................................................................24
2 电气特性..............................................................................................................24
表格
表 1 名词/缩略语....................................................................................................................4
表 2 FBC0409 管脚描述.........................................................................................................7
表 3 帧码/类型帧对应表......................................................................................................20
表 4 封装信息………………………………………………………………………………23
表 5 FBC0409 直流特性.......................................................................................................24
图示
图 1 FBC0409 控制器典型连接及应用 .................................................................................6
图 2 FBC0409 PIN 的分布示意图..........................................................................................6
图 3 FBC0409 内部功能模块框图 .........................................................................................8
图 4 FBC0409 内部寄存器分组 ...........................................................................................15
图 5 FBC0409封装信息…………………………………………………………………….22