cx82100 home 网络 处理器 数据 薄板
101306C
conexant 专卖的 和 confidential 信息
vii
8.3 udc 核心 ....................................................................................................................................................................8-6
8.3.1 endpoint 缓存区 format................................................................................................................................8-6
8.3.2 例子 的 endpoint 缓存区 encoding..........................................................................................................8-7
8.3.3 加载 的 这 endptbuf 配置 ......................................................................................................8-8
8.3.4 usb command 处理 .............................................................................................................................8-9
8.4 usb dma 接口 ...................................................................................................................................................8-10
8.4.1 dma receive 频道................................................................................................................................8-10
8.4.2 dma transmit 频道..............................................................................................................................8-12
8.5 中断 endpoint .....................................................................................................................................................8-14
8.6 summary 的 这 endpoints........................................................................................................................................8-14
8.7 usb 寄存器 记忆 编排.......................................................................................................................................8-15
8.8 usb 寄存器...........................................................................................................................................................8-16
8.8.1 usb 源/destination dma 数据 寄存器 0 (u0_dma: 0x00330000)....................................................8-16
8.8.2 usb 源/destination dma 数据 寄存器 1 (u1_dma: 0x00330008)....................................................8-16
8.8.3 usb 源/destination dma 数据 寄存器 2 (u2_dma: 0x00330010)....................................................8-16
8.8.4 usb 源/destination dma 数据 寄存器 3 (u3_dma: 0x00330018)....................................................8-16
8.8.5 usb destination dma 数据 寄存器 (ut_dma: 0x00330020)...................................................................8-17
8.8.6 usb 配置 数据 寄存器 (u_cfg: 0x00330024) ...........................................................................8-17
8.8.7 usb 中断 数据 寄存器 (u_idat: 0x00330028) .................................................................................8-17
8.8.8 usb 控制 寄存器 1 (u_ctr1: 0x0033002c) .......................................................................................8-18
8.8.9 usb 控制 寄存器 2 (u_ctr2: 0x00330030)........................................................................................8-20
8.8.10 usb 控制 寄存器 3 (u_ctr3: 0x00330034)........................................................................................8-21
8.8.11 usb 状态 (u_stat: 0x00330038) ..........................................................................................................8-22
8.8.12 usb 中断 使能 寄存器 (u_ier: 0x0033003c)................................................................................8-25
8.8.13 usb 状态 寄存器 2 (u_stat2: 0x00330040) .......................................................................................8-26
8.8.14 usb 中断 使能 寄存器 2 (u_ier2: 0x00330044) ...........................................................................8-28
8.8.15 udc 时间 stamp 寄存器 (udc_tsr: 0x0033008c) ................................................................................8-29
8.8.16 udc 状态 寄存器 (udc_stat: 0x00330090)........................................................................................8-29
8.9 usb dma 控制 寄存器......................................................................................................................................8-30
8.9.1 ep0_在 transmit increment 寄存器 (ep0_在_tx_inc: 0x00330048) ......................................................8-30
8.9.2 ep0_在 transmit pending 寄存器 (ep0_在_tx_pend: 0x0033004c)......................................................8-30
8.9.3 ep0_在 transmit qword 计数 寄存器 (ep0_在_tx_qwcnt: 0x00330050) ...........................................8-30
8.9.4 ep1_在 transmit increment 寄存器 (ep1_在_tx_inc: 0x00330054) ......................................................8-30
8.9.5 ep1_在 transmit pending 寄存器 (ep1_在_tx_pend: 0x00330058)......................................................8-31
8.9.6 ep1_在 transmit qword 计数 寄存器 (ep1_在_tx_qwcnt).................................................................8-31
8.9.7 ep2_在 transmit increment 寄存器 (ep2_在_tx_inc: 0x00330060) ......................................................8-31
8.9.8 ep2_在 transmit pending 寄存器 (ep2_在_tx_pend: 0x00330064)......................................................8-31
8.9.9 ep2_在 transmit qword 计数 寄存器 (ep2_在_tx_qwcnt).................................................................8-32
8.9.10 ep3_在 transmit increment 寄存器 (ep1_在_tx_inc: 0x0033006c)......................................................8-32
8.9.11 ep3_在 transmit pending 寄存器 (ep3_在_tx_pend: 0x00330070)......................................................8-32
8.9.12 ep3_在 transmit qword 计数 寄存器 (ep3_在_tx_qwcnt: 0x00330074) ...........................................8-32
8.9.13 ep_输出 receive decrement 寄存器 (ep_输出_rx_dec: 0x00330078)...................................................8-33
8.9.14 ep_输出 receive pending 寄存器 (ep_输出_rx_pend: 0x0033007c) ....................................................8-33
8.9.15 ep_输出 receive 缓存区 大小 寄存器 (ep_输出_rx_bufsize: 0x00330084)............................................8-33
8.9.16 ep_输出 receive qword 计数 寄存器 (ep_输出_rx_qwcnt: 0x00330080)..........................................8-33
8.9.17 usb receive dma 看门狗 计时器 寄存器 (usb_rxtimer: 0x00330094)............................................8-34
8.9.18 usb receive dma 看门狗 计时器 计数器 寄存器 (usb_rxtimercnt: 0x00330098)........................8-34
8.9.19 ep_输出 receive pending 中断 水平的 寄存器 (ep_输出_rx_pendlevel: 0x0033009c)...................8-34
8.9.20 usb 控制-状态 寄存器 (u_csr: 0x00330088) .................................................................................8-35
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