为
为
enCoRe
™
USB
cy7c63221/31a
文档 #: 38-08028 rev. *a 页 2 的 49
表格 的 内容
1.0 特性 .....................................................................................................................................5
2.0 函数的 overview .............................................................................................................6
2.1 encore usb - 这 新 usb 标准....................................................................................6
3.0 逻辑 块 图解 .............................................................................................................7
4.0 管脚 配置 .................................................................................................................7
5.0 管脚 assignments .......................................................................................................................7
6.0 程序编制 模型............................................................................................................... 8
6.1 程序 计数器 (pc) ...............................................................................................................8
6.2 8-位 accumulator (一个) .................................................................................................................8
6.3 8-位 index 寄存器 (x) ..............................................................................................................8
6.4 8-位 程序 堆栈 pointer (psp) ............................................................................................ 8
6.5 8-位 数据 堆栈 pointer (dsp) ..................................................................................................9
6.6 地址 模式 ..........................................................................................................................9
6.6.1 数据 ..................................................................................................................................................9
6.6.2 直接................................................................................................................................................9
6.6.3 indexed ............................................................................................................................................9
7.0 操作指南 设置 summary...................................................................................................10
8.0 记忆 organization..........................................................................................................11
8.1 程序 记忆 organization................................................................................................11
8.2 数据 记忆 organization ......................................................................................................12
8.3 i/o 寄存器 summary .............................................................................................................13
9.0 clocking....................................................................................................................................14
9.1 内部的/外部 振荡器 运作 ...................................................................................... 15
9.2 外部 振荡器....................................................................................................................15
10.0 重置.........................................................................................................................................16
10.1 低-电压 重置 (lvr).......................................................................................................16
10.2 褐色-输出 重置 (bor).........................................................................................................16
10.3 看门狗 重置 (wdr) ........................................................................................................ 17
11.0 suspend 模式 ........................................................................................................................17
11.1 clocking 模式 在 wake-向上 从 suspend ...........................................................................18
11.2 wake-向上 计时器 ......................................................................................................................18
12.0 一般 目的 i/o 端口 .............................................................................................19
12.1 auxiliary 输入 端口.................................................................................................................21
13.0 usb 串行 接口 engine (sie) .................................................................................22
13.1 usb enumeration ..................................................................................................................23
13.2 usb 端口 状态 和 控制 ................................................................................................. 23
14.0 usb 设备...............................................................................................................................25
14.1 usb 地址 寄存器...........................................................................................................25
14.2 usb 控制 endpoint............................................................................................................25
14.3 usb 非-控制 endpoints ..................................................................................................26
14.4 usb endpoint 计数器 寄存器 ..........................................................................................27