ZIOL2201 datasheet(86/92 Pages) RENESAS

86 / 92 page

ZIOL2xxx Datasheet

April 26, 2016

•

Bit[3]:

Reset of the stored WURQ exception

Figure 10.5 Partial Reset of Overload Counter or the entire Lock circuit

Channel

Driver

unlocked

Over-load /

Over-temp

Reg[20]

Peak Counter

Reg[21:25]

Overload

Counter

Stored

Exception

Reg[18]

INT_L

Lock Reset

(lock counter

elapsed)

Assert time

Exception

(state signal)

Reg[20]

By „Read & Clear“ reset of

the peak counter

Assert time expired,

exception causes

INT_L = 0 (if configured)

unlocked

locked

monitored physical value exceeds the configured limit

overload counter

equals configured limit

time

Configured

Lock time

Write Pulse to Reg[16] or reg[17] will

reset the overload counter only since

there is no exception present

Write Pulse to

Reg[16] = reset lock circuit

A write pulse access to register [17] works similar but performs only a partial reset of the overload counter as in

the following described:

•

Bit[0]:

Reset of the over-temperature counter

•

Bit[1]:

Reset of the over-current counter assigned to the COM LS driver

•

Bit[2]:

Reset of the over-current counter assigned to the COM HS driver

ZIOL2201 Datasheet(PDF) 86 Page - Renesas Technology Corp

ZIOL2201 Datasheet(HTML) 86 Page - Renesas Technology Corp

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