Cirrus-logic CS1631 Instrukcja Użytkownika Pobierz pdf (Strona 42)

CS1630/31

42 DS954F3

6.30 Configuration 48 (Config48) – Address 80

6.31 Configuration 49 (Config49)

– Address 81

76543210

OCP_BLANK3 OCP_BLANK2 OCP_BLANK1 OCP_BLANK0 OLP_BLANK2 OLP_BLANK1 OLP_BLANK0 IOTP_SAMP

Number Name Description

[7:4] OCP_BLANK[3:0]

Configures fixed time-blanking interval t

OCP

for overcurrent protection

(OCP). The value is an unsigned integer in the range of 0value15.

[3:1] OLP_BLANK[2:0]

Configures fixed time blanking interval t

OLP

for open loop protection (OLP)

and sense resistor protection. The value is an unsigned integer in the range

of 0value7.

[0] IOTP_SAMP

Sample internal temperature sensor at a slower rate when not in internal

overtemperature state (iOTP fault state). Recommended to set bit

IOTP_SAMP to sample slow.

0 = Sample fast

1 = Sample slow

76543210

OCP_CNT2 OCP_CNT1 OCP_CNT0 OCP_LAT OLP_CNT2 OLP_CNT1 OLP_CNT0 OLP_LAT

Number Name Description

[7:5] OCP_CNT[2:0]

Sets the second stage OCP fault counter threshold used when declaring a

fault.

0 = Force OCP fault (debug only)

1-7= Number of times an OCP fault has to occur consecutively.

[4] OCP_LAT

Configures OCP fault type.

0 = Unlatched fault

1 = Latched fault

[3:1] OLP_CNT[2:0]

Sets the second stage OLP fault counter threshold used when declaring a

fault.

0 = Force OLP fault (debug only)

1-7= Number of times an OLP fault has to occur consecutively before the

IC will enter a fault state.

[0] OLP_LAT

Configures OLP fault type.

0 = Unlatched fault

1 = Latched fault

OCP

150ns OCP_BLANK+ [3:0] 50ns =

OLP

1s OLP_BLANK+ [2:0] 0.5s =

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 55 56

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