RX110_16 Datasheet, PDF(67/108 Page) Renesas Technology Corp

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RX110_16 Datasheet, PDF (67/108 Pages) Renesas Technology Corp – 32 MHz 32-bit RX MCUs, 50 DMIPS

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RX110 Group

5. Electrical Characteristics

5.3.2

Reset Timing

Table 5.23 Reset Timing

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

Item

Symbol Min.

Typ.

Max.

Unit

Test Conditions

RES# pulse width

At power-on

tRESWP

Other than above

tRESW

Wait time after RES# cancellation At normal startup*1

tRESWT

8.5

(at power-on)

During fast startup time*2

tRESWT

560

Wait time after RES# cancellation

(during powered-on state)

tRESWT

114

Figure 5.25

Î¼s

Figure 5.26

Figure 5.25

Î¼s

Figure 5.26

Independent watchdog timer reset period

tRESWIW

â IWDT clock Figure 5.27

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 5.25 Reset Input Timing at Power-On

tRESWT

RES#

Internal reset

Figure 5.26 Reset Input Timing (1)

tRESW

tRESWT

Independent watchdog timer reset

Software reset

Internal reset

Figure 5.27 Reset Input Timing (2)

R01DS0202EJ0120 Rev.1.20

Jul 29, 2016

tRESWIW, tRESWSW

tRESWT2

Page 67 of 108

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