RA6M2 datasheet(32/100 Pages) RENESAS

32 / 100 page

R01DS0357EJ0100 Rev.1.00

Page 32 of 100

Oct 8, 2019

RA6M2 Group

2. Electrical Characteristics

Figure 2.5

Temperature dependency in Deep Software Standby mode, power not supplied to SRAM or USB

resume detecting unit, power-on reset circuit low power function enabled (reference data)

2.2.6

VCC Rise and Fall Gradient and Ripple Frequency

Note 1.

At boot mode, the reset from voltage monitor 0 is disabled regardless of the value of the OFS1.LVDAS bit.

Note 2.

This applies when VBATT is used.

Table 2.8

Rise and fall gradient characteristics

Parameter

Symbol Min

Typ

Max

Unit

Test conditions

VCC rising gradient

Voltage monitor 0 reset disabled at startup

SrVCC

0.0084

ms/V

Voltage monitor 0 reset enabled at startup

0.0084

SCI/USB boot mode*1

0.0084

VCC falling gradient*2

SfVCC

0.0084

ms/V

Table 2.9

Rise and fall gradient and ripple frequency characteristics

The ripple voltage must meet the allowable ripple frequency fr(VCC) within the range between the VCC upper limit (3.6 V) and lower limit

(2.7 V). When the VCC change exceeds VCC ±10%, the allowable voltage change rising and falling gradient dt/dVCC must be met.

Parameter

Symbol

Min

Typ

Max

Unit

Test conditions

Allowable ripple frequency

fr (VCC)

kHz

Figure 2.6

Vr (VCC) ≤ VCC × 0.2

MHz

Figure 2.6

Vr (VCC) ≤ VCC × 0.08

MHz

Figure 2.6

Vr (VCC) ≤ VCC × 0.06

Allowable voltage change rising

and falling gradient

dt/dVCC

1.0

ms/V

When VCC change exceeds VCC ±10%

100

-40

-20

100

Ta (

)

Average value of the tested middle samples during product evaluation.

Average value of the tested upper-limit samples during product evaluation.

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