PRSP0016JC-B datasheet(38/85 Pages) RENESAS

38 / 85 page

RL78/G16

2. ELECTRICAL SPECIFICATIONS (TA

= −40 to +85°C)

R01DS0431EJ0130

Rev.1.30

Page 38 of 85

May 19, 2025

2.5

Serial Interface Characteristics

AC Timing Test Points

VIH/VOH

Test points

VIL/VOL

2.5.1

Serial array unit

(1)

UART mode

[TA =

−40 to +85°C, 2.4 V ≤ VDD ≤ 5.5 V, VSS = 0 V]

Item

Symbol

Condition

MIN.

TYP.

MAX.

Unit

Transfer rate

fMCK/6

bps

Theoretical value of the maximum

transfer rate

fCLK = fMCK = 16 MHz

2.6

Mbps

UART mode connection diagram

RL78

microcontroller

User device

TxD0

RxD0

UART mode bit width (reference)

Baud rate error tolerance

High-/low-bit width

1/Transfer rate

TxD0

RxD0

Remark

fMCK: Serial array unit operation clock frequency

(Operation clock to be set by serial clock select register m (SPSm) and the CKSmn bit of serial mode register

mn (SMRmn). m: Unit number, n: Channel number (mn = 00, 11, 20))

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