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数据搜索系统，热门电子元器件搜索 |
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STR720 数据表(PDF) 296 Page - STMicroelectronics |
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STR720 数据表(HTML) 296 Page - STMicroelectronics |
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296 / 401 page  STR720 - USB SLAVE INTERFACE (USB) 296/401 Table 62. Reception Status Encoding STAT_RX[1:0] Meaning 00 DISABLED: all reception requests addressed to this endpoint are ignored. 01 STALL: the endpoint is stalled and all reception requests result in a STALL hand- shake. 10 NAK: the endpoint is naked and all reception requests result in a NAK hand- shake. 11 VALID: this endpoint is enabled for reception. Table 63. Endpoint Type Encoding EP_TYPE[1:0] Meaning 00 BULK 01 CONTROL 10 ISO 11 INTERRUPT Table 64. Endpoint Kind Meaning EP_TYPE[1:0] EP_KIND Meaning 00 BULK DBL_BUF 01 CONTROL STATUS_OUT 10 ISO Not used 11 INTERRUPT Not used Table 65. Transmission Status Encoding STAT_TX[1:0] Meaning 00 DISABLED: all transmission requests addressed to this endpoint are ignored. 01 STALL: the endpoint is stalled and all transmission requests result in a STALL handshake. 10 NAK: the endpoint is naked and all transmission requests result in a NAK handshake. 11 VALID: this endpoint is enabled for transmission. 1 |
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