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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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BCM4354 датащи(PDF) 68 Page - Cypress Semiconductor |
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BCM4354 датащи(HTML) 68 Page - Cypress Semiconductor |
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68 / 192 page  External Coexistence Interface BCM4354 Data Sheet BROADCOM CONFIDENTIAL Broadcom® October 15, 2014 • 4354-DS109-R Page 67 External Coexistence Interface An external handshake interface is available to enable signaling between the device and an external co-located wireless device, such as GPS, or LTE, to manage wireless medium sharing for optimal performance. Figure 24 and Figure 25 on page 67 show the LTE coexistence interface (including UART) for each BCM4354 package type. See Table 26: “GPIO Alternative Signal Functions,” on page 120 for further details on multiplexed signals, such as the GPIO pins. See Table 15: “UART Timing Specifications,” on page 57 for the UART baud rate. Figure 24: Broadcom GCI Mode LTE Coexistence Interface Figure 25: Legacy 3-Wire LTE Coexistence Interface WLAN GCI LTE/IC UART_IN UART_OUT BTFM Notes: OR’ing to generate ISM_RX_PRIORITY for ERCX_TXCONF or BT_RX_PRIORITY is achieved by setting the GPIO mask registers appropriately. SECI_OUT and SECI_IN are multiplexed on the GPIOs. SECI_OUT SECI_IN BCM4354 Note: OR’ing to generate WCN_PRIORITY FOR ERCX_TXCONF or BT_RX_PRIORITY is achieved by setting the GPIO mask registers appropriately. WLAN GCI LTE/IC BT/FM WCN_PRIORITY GCI_GPIO_2 GCI_GPIO_1 GCI_GPIO_0 MWS_RX, LTE_PRIORITY LTE_FRAME_SYNC BCM4354 |
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