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ATWILC3000 датащи(PDF) 28 Page - ATMEL Corporation |
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ATWILC3000 датащи(HTML) 28 Page - ATMEL Corporation |
28 / 40 page ATWILC3000 Single Chip IEEE 802.11 b/g/n Link Controller with Integrated Bluetooth 4.0 [DATASHEET] Atmel-42390D-ATWILC3000-MUT-SmartConnect-Datasheet_05/2016 2 8 28 Figure 9-6. SDIO Slave Timing Diagram SD_CLK Inputs Outputs fpp tWL tWH tHL tLH tISU tIH tODLY(MAX) tODLY(MIN) Table 9-10. SDIO Slave Timing Parameters Parameter Symbol Min. Max. Unit Clock Input Frequency (1) fPP 50 MHz Clock Low Pulse Width tWL 6 ns Clock High Pulse Width tWH 7 Clock Rise Time tLH 0 5 Clock Fall Time tHL 0 5 Input Setup Time tISU 6 Input Hold Time tIH 8 Output Delay (2) tODLY 3 11 Notes: 1. Maximum clock frequency specified is limited by the SDIO Slave interface internal design; actual maximum clock frequency can be lower and depends on the specific PCB layout. 2. Timing based on 15pF output loading. 9.6 UART ATWILC3000 provides Universal Asynchronous Receiver/Transmitter (UART) interfaces for serial communication. The Bluetooth subsystem has two UART interfaces: a 4-pin interface for control, data transfer, and audio (BT UART1), and a 2-pin interface for debugging (BT UART2). The 802.11 subsystem has one 2-pin UART interface (Wi-Fi UART), which can be used for control, data transfer, or debugging. The UART interfaces are compatible with the RS-232 standard, where ATWILC3000 operates as Data Terminal Equipment (DTE). The 2-pin UART has receive and transmit pins (RXD and TXD), and the 4-pin UART has two additional pins used for flow control/handshaking: Request To Send (RTS) and Clear To Send (CTS). The pins associated with each UART interfaces can be enabled on several alternative pins by programming their corresponding pin MUX control registers (see below for available options). Also note that the UART RTS and UART CTS are used for hardware flow control; they MUST be connected to the host MCU UART and enabled for the UART interface to be functional. The UART features programmable baud rate generation with fractional clock division, which allows transmission and reception at a wide variety of standard and non-standard baud rates. The Bluetooth UART |
Аналогичный номер детали - ATWILC3000 |
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Аналогичное описание - ATWILC3000 |
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