ORG4572-R01-TR2 datasheet(32/40 Pages) ETC

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Multi Spider - ORG4572 Datasheet

Revision 3.0

November 23, 2014

21.1. STARTING THE MODULE

A pulse on the ON_OFF input line when FSM is ready and in startup-ready state, Hibernate state,

standby state, will command the module to start.

Turns OFF

Turns ON

100μs min.

FIGURE 18 – ON_OFF TIMING

ON_OFF detector set requires a rising edge and high logic level that persists for at least 100µs.

ON_OFF detector reset requires ON_OFF asserted to low logic level for at least 100µs.

Recommended ON_OFF Low-High-Low pulse length is 100ms.

ON_OFF pulses with less than 1s intervals are not recommended.

Unknown

ON_OFF

RTC

VCC

WAKEUP

Unknown

RESET

̅̅̅̅̅̅̅̅

ΔT1

ΔT0

ΔT2

ΔT3

ΔT4

ΔT5

ΔT6

FIGURE 19 – START-UP TIMING

SYMBOL

PARAMETER

CONDITION

MIN

TYP

MAX

UNIT

fRTC

RTC Frequency

+25°C

-20 ppm

32768

+20 ppm

tRTC

RTC Tick

+25°C

30.5176

µs

∆T1

RTC Startup Time

300

∆T0

Power Stabilization

6·tRTC+∆T1

7·tRTC+∆T1

8·tRTC+∆T1

µs

∆T2

WAKEUP Pulse

RTC running

tRTC

∆T3

ON_OFF Low

tRTC

∆T4

ON_OFF High

tRTC

∆T5

ON_OFF to WAKEUP high

After ON_OFF

tRTC

∆T6

ON_OFF to ARM boot

After ON_OFF

2130

tRTC

TABLE 13 – START-UP TIMING

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