PRSP0016JC-B datasheet(49/85 Pages) RENESAS

49 / 85 page

RL78/G16

2. ELECTRICAL SPECIFICATIONS (TA

= −40 to +85°C)

R01DS0431EJ0130

Rev.1.30

Page 49 of 85

May 19, 2025

2.10

Timing of Entry to Flash Memory Programming Mode

[TA

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

Item

Symbol

Condition

MIN.

TYP.

MAX.

Unit

Time to complete the communication

for the initial setting after the external

reset is released

tSUINIT

The SPOR reset must be released

before the external reset is released.

100

Time to release the external reset

after the TOOL0 pin is set to the low

level

tSU

The SPOR reset must be released

before the external reset is released.

µs

Time to hold the TOOL0 pin at the low

level after the external reset is

released

tHD

The SPOR reset must be released

before the external reset is released.

______

RESET

TOOL0

<1>

<2>

<3>

tSUINIT

tHD

1-byte data for setting mode

tSU

<4>

• • •

<1> The low level is input to the TOOL0 pin.

<2> The external reset is released (the SPOR reset must have been released before that).

<3> The TOOL0 pin is released from the low level.

<4> Setting of entry to the flash memory programming mode by UART reception is completed.

Remark

tSUINIT: During this period, the communications for the initial setting must be completed within 100 ms after

release from the reset.

tSU: Time to release the external reset after the TOOL0 pin is set to the low level

tHD: Time to hold the TOOL0 pin at the low level after the external reset is released

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