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W681308DG 参数 Datasheet PDF下载

W681308DG图片预览
型号: W681308DG
PDF下载: 下载PDF文件 查看货源
内容描述: W681308 USB音频控制器由新唐集成了高速8051微控制器单元(MCU ) [W681308 USB Audio Controller from Nuvoton integrates fast 8051 Microcontroller Unit (MCU)]
分类和应用: 微控制器
文件页数/大小: 64 页 / 981 K
品牌: NUVOTEM TALEMA [ NUVOTEM TALEMA ]
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W681308  
LIST OF TABLES  
Table 1 Pin Description .......................................................................................................................................................... 10  
Table 2 W681308 MCU SFR location..................................................................................................................................... 22  
Table 3 Interrupt Priority Structure.......................................................................................................................................... 23  
Table 4 Timer Mode/Control TMOD/TCON SFR .................................................................................................................... 24  
Table 5 Timer 2 Mode/Control TMOD/TCON SFR ................................................................................................................. 25  
Table 6 Time-Out Values For Watchdog Timer...................................................................................................................... 26  
Table 7 Watchdog Control WDCON SFR............................................................................................................................... 26  
Table 8 Watchdog Control Bits............................................................................................................................................... 27  
Table 9 Watchdog Timer Timeout Control.............................................................................................................................. 27  
Table 10 Serial Control SCON SFR ....................................................................................................................................... 28  
Table 11 JTAG Pin Description .............................................................................................................................................. 49  
Table 12 W681308 USB Endpoint Definitions........................................................................................................................ 53  
Table 13 USB Descriptor RAM Definitions ............................................................................................................................. 54  
LIST OF FIGURES  
Figure 1 Pin diagram ................................................................................................................................................................ 8  
Figure 2 W681308 Function Block Diagram........................................................................................................................... 11  
Figure 3 Interrupt Structure .................................................................................................................................................... 31  
Figure 4 Keypad Scanning Application Circuit........................................................................................................................ 33  
Figure 5 PCM Interface, Gain Stage and Mixer Location ....................................................................................................... 36  
Figure 6 Mixer Connection Case Examples ........................................................................................................................... 37  
Figure 7 Mixer Examples with Registers Setting .................................................................................................................... 39  
Figure 8 W681308 CODEC Signal Path Control .................................................................................................................... 43  
Figure 9 Microphone Voltage Gain Mode............................................................................................................................... 45  
Figure 10 Microphone Current Gain Mode ............................................................................................................................. 45  
Figure 11 Microphone Auxiliary Input Mode ........................................................................................................................... 46  
Figure 12 SPI Block Diagram ................................................................................................................................................. 47  
Figure 13 Ring Tone Generator Block.................................................................................................................................... 50  
Figure 14 Signal flow through Acoustic Echo Cancellation in the speech processor.............................................................. 51  
Figure 15 USB Function Block Diagram................................................................................................................................. 52  
Figure 16 W681308 Reference Design Application Circuit..................................................................................................... 61  
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