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MB9B360R Datasheet(PDF) 98 Page - Cypress Semiconductor |
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MB9B360R Datasheet(HTML) 98 Page - Cypress Semiconductor |
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98 / 166 page ![]() Document Number: 002-04872 Rev.*A Page 98 of 166 MB9B360R Series 12.4.12 UART Timing Synchronous serial (SPI = 0, SCINV = 0) (VCC = 2.7V to 5.5V, VSS = 0V) Parameter Symbol Pin name Conditions VCC < 4.5V VCC ≥ 4.5V Unit Min Max Min Max Serial clock cycle time tSCYC SCKx Internal shift clock operation 4tCYCP - 4tCYCP - ns SCK↓→SOT delay time tSLOVI SCKx, SOTx - 30 + 30 - 20 + 20 ns SIN→SCK↑ setup time tIVSHI SCKx, SINx 50 - 30 - ns SCK↑→SIN hold time tSHIXI SCKx, SINx 0 - 0 - ns Serial clock "L" pulse width tSLSH SCKx External shift clock operation 2tCYCP - 10 - 2tCYCP - 10 - ns Serial clock "H" pulse width tSHSL SCKx tCYCP + 10 - tCYCP + 10 - ns SCK↓→SOT delay time tSLOVE SCKx, SOTx - 50 - 30 ns SIN→SCK↑ setup time tIVSHE SCKx, SINx 10 - 10 - ns SCK↑→SIN hold time tSHIXE SCKx, SINx 20 - 20 - ns SCK falling time tF SCKx - 5 - 5 ns SCK rising time tR SCKx - 5 - 5 ns Notes: • The above characteristics apply to CLK synchronous mode. • tCYCP indicates the APB bus clock cycle time. About the APB bus number which UART is connected to, see “Block Diagram” in this datasheet. • These characteristics only guarantee the same relocate port number. For example, the combination of SCLKx_0 and SOTx_1 is not guaranteed. • When the external load capacitance CL = 30pF. |
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