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PIC876 датащи(PDF) 175 Page - Microchip Technology |
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PIC876 датащи(HTML) 175 Page - Microchip Technology |
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175 / 218 page ![]() 2001 Microchip Technology Inc. DS30292C-page 173 PIC16F87X FIGURE 15-19: USART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING TABLE 15-10: USART SYNCHRONOUS TRANSMISSION REQUIREMENTS FIGURE 15-20: USART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING TABLE 15-11: USART SYNCHRONOUS RECEIVE REQUIREMENTS Note: Refer to Figure 15-5 for load conditions. 121 121 122 RC6/TX/CK RC7/RX/DT Pin Pin 120 Param No. Sym Characteristic Min Typ† Max Units Conditions 120 TckH2dtV SYNC XMIT (MASTER & SLAVE) Clock high to data out valid Standard(F) —— 80 ns Extended(LF) —— 100 ns 121 Tckrf Clock out rise time and fall time (Master mode) Standard(F) —— 45 ns Extended(LF) —— 50 ns 122 Tdtrf Data out rise time and fall time Standard(F) —— 45 ns Extended(LF) —— 50 ns † Data in “Typ” column is at 5V, 25 °C unless otherwise stated. These parameters are for design guidance only and are not tested. Note: Refer to Figure 15-5 for load conditions. 125 126 RC6/TX/CK RC7/RX/DT pin pin Parameter No. Sym Characteristic Min Typ† Max Units Conditions 125 TdtV2ckL SYNC RCV (MASTER & SLAVE) Data setup before CK ↓ (DT setup time) 15 —— ns 126 TckL2dtl Data hold after CK ↓ (DT hold time) 15 —— ns † Data in “Typ” column is at 5V, 25 °C unless otherwise stated. These parameters are for design guidance only and are not tested. |
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