Renesas RL78 Series User Manual page 855

RL78/G1D
UART mode connection diagram (during communication at same potential)
UART mode bit width (during communication at same potential) (reference)
TxDq
RxDq
Remarks 1. q: UART number (q = 0, 1), g: PIM and POM number (g = 0, 1)
2. f : Serial array unit operation clock frequency
MCK
(Operation clock to be set by the CKSmn bit of serial mode register mn (SMRmn).
m: Unit number, n: Channel number (mn = 00, 01))
R01UH0515EJ0120 Rev.1.20
Dec 16, 2016
TxDq
RL78 microcontroller
RxDq
Baud rate error tolerance
CHAPTER 30 ELECTRICAL SPECIFICATIONS
Rx
User device
Tx
1/Transfer rate
High-/Low-bit width
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