华氏度F I C I A L
P ,R 0 ü (C T)
D 2 O ú M E N T A T I O 4 N
STIr4200
USB /红外线桥控制器
1.目录
录一表............................................. ................................................. 2
1.1 。图列表.................................................................................................................... 3
1.2 。表一览.....................................................................................................................3
.............................................. 2,产品概述................................................. 4
2.1 。产品特点............................................................................................................................ 4
2.2 。描述........................................................................................................................ 4
2.3 。订购信息......................................................................................................... 4
2.4 。 STIr4200框图............................................... .................................................. 5
3.特性和规范............................................. .............. 5
3.1 。绝对最大额定值............................................... ............................................... 5
3.2 。推荐工作条件............................................... ................................ 5
3.3 。电气特性................................................ .................................................. 6
4.功能说明.............................................. ...................................... 6
4.1 。概观...........................................................................................................................6
4.2 。 USB接口.................................................................................................................... 7
4.3 。供应商特定设备请求............................................. ........................................ 7
4.3.1 。写多个寄存器............................................... ........................................ 7
4.3.2 。写一个寄存器............................................... ................................................ 7
4.3.3 。读多个寄存器............................................... ........................................ 8
4.3.4 。读取ROM ........................................................................................................... 8
4.3.5 。卖方清除失速............................................... ................................................. 8
4.4 。数字红外收发器........................................................................................................9
4.5 。 FIFO内容................................................................................................................... 9
5. IR帧格式............................................. .............................................. 10
5.1 。传输帧格式............................................... .................................................. 0.10
5.1.1 。 SIR发送帧............................................... ............................................ 10
5.1.2 。 FIR发送帧............................................... ............................................ 11
5.1.3 。接收帧格式............................................... ........................................ 12
5.1.3.1 。 SIR接收帧............................................... ............................. 12
5.1.3.2 。 FIR接收帧............................................... ............................. 13
6.数字红外收发器寄存器............................................ .................... 14
6.1 。详细STIr4200寄存器说明.............................................. ......................... 14
6.1.1 。 FIFO数据寄存器............................................... ............................................. 14
6.1.2 。模式和波特率寄存器............................................. ............................ 15
6.1.2.1 。模式寄存器................................................ .................................... 15
6.1.2.2 。波特率寄存器............................................... ............................. 15
6.1.3 。控制寄存器................................................ ................................................. 16
6.1.4 。敏感性注册................................................ ............................................. 17
6.1.5 。状态寄存器...................................................................................................17
6.1.6 。 FIFO计数寄存器( LSB , MSB ) .......................................... ........................... 18
6.1.6.1 。 FIFO计数LSB ............................................... .................................. 18
6.1.6.2 。 FIFO计数MSB ............................................... ................................. 18
6.1.7 。数字锁相环调谐注册............................................... ............................................ 18
6.1.8 。 IRDIG设置寄存器............................................... .......................................... 19
6.1.9 。测试注册......................................................................................................19
7.引脚说明.............................................. .................................................. .... 20
7.1 。 STIr4200S 28引脚SSOP封装引脚说明........................................... ............................ 20
8封装图纸.............................................. .............................................. 21
2
3-4200-D1-2.0-0403