指数
1
2
3
FEATURES............................................................................................................4
功能概述................................................ ............................... 5
引脚定义和说明.............................................. 6 ........
3.1
3.2
GL602USB ...............................................................................................................................6
GL602USB-A...........................................................................................................................7
4
功能说明................................................ ......................... 9
4.1
4.2
4.3
4.4
4.5
4.6
4.7
存储器构成................................................ ................................................. 9
USB功能寄存器............................................... .............................................. 11
MCU功能REGISTERS............................................................................................16
通用I / O端口............................................ ........................................... 18
定时器INTERRUPT.............................................................................................................18
USB ENGINE.........................................................................................................................19
指令集汇总............................................... ......................................... 21
5
固件编程指南............................................... ........................... 23
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
5.10
5.11
5.12
USB上电复位和总线复位初始化.......................................... ....................... 23
挂起/恢复/唤醒......................................................................................................24
通过端点0接收数据包............................................. .................................................. 25
通过端点0发送数据包............................................. ................................................. 26
通过端点1/2/3发送数据包......................................... ............................................... 27
定时器中断.......................................................................................................................28
条件Branch.................................................................................................................28
变更注册银行............................................................................................................28
更改代码银行.................................................................................................................28
从PS / 2鼠标端口接收数据.......................................... ............................................ 29
扫描按键矩阵.....................................................................................................................30
打开LED开/关...................................................................................................................30
6
7
8
绝对最大额定值............................................... ................. 31
电气特性................................................ ............. 31
包图................................................ .................................... 33
8.1
8.2
40针P-DIP...........................................................................................................................33
24引脚SOP .............................................................................................................................34
修订版1.6
-2-
02/28/2000