RL78/F13, F14 CHAPTER 35 ELECTRICAL SPECIFICATIONS (GRADE K)
R01UH0368EJ0210 Rev.2.10 1751
Dec 10, 2015
35.5 Peripheral Functions Characteristics
35.5.1 Serial Array Unit
(1) During communication at same potential (UART mode) (dedicated baud rate generator output)
(T
A = -40 to +125ï‚°C, 2.7 V ï‚£ EVDD0 = EVDD1 = VDD ï‚£ 5.5 V, VSS = EVSS0 = EVSS1 = 0 V)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Transfer rate - fMCK/6 bps
fCLK = 24 MHz,
fMCK = fCLK
Normal slew rate 4 Mbps
Special slew rate 2 Mbps
UART mode connection diagram (during communication at same potential)
UART mode bit width (during communication at same potential) (reference)
Caution Select the normal input buffer for the RxD0 pin and RxD1 pin and normal output mode for the TxD0 pin
and TxD1 pin.
Remark
f
MCK: Serial array unit operation clock frequency
RL78
microcontroller
TxD0, TxD1
RxD0, RxD1
Rx
Tx
User's device
Baud-rate tolerance
High-/low-level bit width
1/Transfer rate
TxD0, TxD1
RxD0, RxD1