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R5F104FCAFP 数据表(PDF) 141 Page - Renesas Technology Corp |
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R5F104FCAFP 数据表(HTML) 141 Page - Renesas Technology Corp |
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141 / 207 page ![]() RL78/G13 3. ELECTRICAL SPECIFICATIONS (G: INDUSTRIAL APPLICATIONS TA = –40 to +105°C) R01DS0131EJ0350 Rev.3.50 141 of 200 Jun 30, 2020 3.5 Peripheral Functions Characteristics AC Timing Test Points VIH/VOH VIL/VOL Test points VIH/VOH VIL/VOL 3.5.1 Serial array unit (1) During communication at same potential (UART mode) (TA = –40 to +105°C, 2.4 V ≤ EVDD0 = EVDD1 ≤ VDD ≤ 5.5 V, VSS = EVSS0 = EVSS1 = 0 V) Parameter Symbol Conditions HS (high-speed main) Mode Unit MIN. MAX. Transfer rate Note 1 fMCK/12 Note 2 bps Theoretical value of the maximum transfer rate fCLK = 32 MHz, fMCK = fCLK 2.6 Mbps Notes 1. Transfer rate in the SNOOZE mode is 4800 bps only. 2. The following conditions are required for low voltage interface when EVDD0 < VDD. 2.4 V ≤ EVDD0 < 2.7 V : MAX. 1.3 Mbps Caution Select the normal input buffer for the RxDq pin and the normal output mode for the TxDq pin by using port input mode register g (PIMg) and port output mode register g (POMg). UART mode connection diagram (during communication at same potential) RL78 microcontroller TxDq RxDq Rx Tx User device UART mode bit width (during communication at same potential) (reference) Baud rate error tolerance High-/Low-bit width 1/Transfer rate TxDq RxDq Remarks 1. q: UART number (q = 0 to 3), g: PIM and POM number (g = 0, 1, 8, 14) 2. fMCK: Serial array unit operation clock frequency (Operation clock to be set by the CKSmn bit of serial mode register mn (SMRmn). m: Unit number, n: Channel number (mn = 00 to 03, 10 to 13)) |
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