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PIC17C44-08/P 데이터시트(PDF) 189 Page - Microchip Technology |
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PIC17C44-08/P 데이터시트(HTML) 189 Page - Microchip Technology |
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189 / 240 page ![]() © 1996 Microchip Technology Inc. DS30412C-page 189 PIC17C4X Applicable Devices 42 R42 42A 43 R43 44 FIGURE 19-9: USART MODULE: SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING TABLE 19-9: SYNCHRONOUS TRANSMISSION REQUIREMENTS FIGURE 19-10: USART MODULE: SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING TABLE 19-10: SYNCHRONOUS RECEIVE REQUIREMENTS Param No. Sym Characteristic Min Typ† Max Units Conditions 120 TckH2dtV SYNC XMIT (MASTER & SLAVE) Clock high to data out valid PIC17CR42/42A/43/R43/44 — — 50 ns PIC17LCR42/42A/43/R43/44 — — 75 ns 121 TckRF Clock out rise time and fall time (Master Mode) PIC17CR42/42A/43/R43/44 — — 25 ns PIC17LCR42/42A/43/R43/44 — — 40 ns 122 TdtRF Data out rise time and fall time PIC17CR42/42A/43/R43/44 — — 25 ns PIC17LCR42/42A/43/R43/44 — — 40 ns † Data in “Typ” column is at 5V, 25 °C unless otherwise stated. These parameters are for design guidance only and are not tested. Parameter No. Sym Characteristic Min Typ† Max Units Conditions 125 TdtV2ckL SYNC RCV (MASTER & SLAVE) Data hold before CK ↓ (DT hold 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. 121 121 120 122 RA5/TX/CK RA4/RX/DT pin pin 125 126 RA5/TX/CK RA4/RX/DT pin pin |
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