R01DS0190EJ0100 Datasheet, PDF(70/110 Page) Renesas Technology Corp – 32 MHz 32-bit RX MCUs, 50 DMIPS, up to 128 Kbytes of flash memory

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R01DS0190EJ0100 Datasheet, PDF (70/110 Pages) Renesas Technology Corp – 32 MHz 32-bit RX MCUs, 50 DMIPS, up to 128 Kbytes of flash memory

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RX111 Group

5. Electrical Characteristics

5.3.2

Reset Timing

Table 5.23 Reset Timing

Conditions: VCC = AVCC0 = VCC_USB = 1.8 to 3.6 V, VSS = AVSS0 = VREFL0 = VSS_USB = 0 V, Ta = â40 to +105Â°C

Item

Symbol Min.

Typ.

Max.

Unit

Test

Conditions

RES# pulse width

At power-on

Other than above

Wait time after RES#

cancellation

(at power-on)

At normal startup*1

During fast startup time*2

Wait time after RES# cancellation

(during powered-on state)

tRESWP

tRESW

tRESWT

8.5

tRESWT

560

tRESWT

114

ms Figure 5.26

Î¼s Figure 5.27

ms Figure 5.26

Î¼s

Î¼s Figure 5.27

Independent watchdog timer reset period

tRESWIW

IWDT Figure 5.28

clock

cycle

Software reset period

tRESWSW

ICLK

cycle

Wait time after independent watchdog timer reset cancellation*3

tRESW2

300

Î¼s

Wait time after software reset cancellation

tRESW2

168

Î¼s

Note 1. When OFS1.(STUPLVD1REN, FASTSTUP) = 11b.

Note 2. When OFS1.(STUPLVD1REN, FASTSTUP) â 11b.

Note 3. When IWDTCR.CKS[3:0] = 0000b.

VCC

RES#

Internal reset

tRESWP

Figure 5.26 Reset Input Timing at Power-On

tRESWT

RES#

Internal reset

Figure 5.27 Reset Input Timing (1)

tRESW

tRESWT

R01DS0190EJ0100 Rev.1.00

Jun 19, 2013

Page 70 of 107

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