33892 datasheet(22/28 Pages) FREESCALE

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33892

MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA

Previous Address SOA[4:0]=A1A0000

The bits OD[3:0] will reflect the current state of the Fault

selected with the bits A1A0 (Table 10).

Note The FS terminal reports all faults. For latched faults,

this terminal is reset by a new Switch ON command (via SPI or

direct input IN).

Previous Address SOA[4:0]=x0001

Data in bits OD[3:0] contains IN_SPI[3:0]-programmed bits

for channel from HS3 to HS0, respectively.

Previous Address SOA[4:0]=x1001

Data in bits OD[3:0] contains the programmed CSNS EN[3:0]

bits for channels HS3 to HS0, respectively.

Previous Address SOA[4:0]=A1A0010

Data returned in bits OD[3:0] are programmed current values

for the overcurrent high detection level (refer to Table 5,

page 20) and the overcurrent low detection level (refer to

Table 4, page 20), corresponding to the output previously

selected with A1A0.

Previous Address SOA[4:0]=A1A0011

The returned data contains the programmed values in the

CDTOLR register for the output selected with A1A0.

Previous Address SOA[4:0]=A1A0100

The returned data contains the programmed values in the

DICR register for the output selected with A1A0.

Previous Address SOA[4:0]=A1A0101

The returned data contains the programmed values in the

UOVR register.

Previous Address SOA[4:0]=x1101

The returned data contains the programmed values in the

WDR register. Bit OD2 (WDTO) reflects the status of the

watchdog circuitry. If WDTO bit is [1], the watchdog has timed

out and the 33892 is in Fail-Safe mode. IF WDTO is [0], the

device is in Normal mode (assuming the device is powered and

not in the Sleep mode), with the watchdog either enabled or

disabled.

Previous Address SOA[4:0]=x0110

The returned data OD3 and OD2 contain the state of the

outputs HS2 and HS0, respectively, in case of Fail-Safe state.

This information is stated with the external resistance placed at

the FSI terminal. OD1 indicates if the watchdog is enabled or

not. OD0 returns the state of the WAKE terminal.

Previous Address SOA[4:0]=x1110

The returned data OD[3:0] reflects the state of the direct

terminals IN3 to IN0, respectively.

Table 9. Serial Output Bit Map Description

Previous STATR

SO Returned Data

OD9 OD8 OD7 OD6 OD5 OD4

OD3

OD2

OD1

OD0

A1 A0 0

WDIN

UVF

OVF

SOA4 SOA3 SOA2 SOA1 SOA0

ST3

ST2

ST1

ST0

OTF_s

OCHF_s

OCLF_s

OLF_s

WDIN

UVF

OVF

SOA4 SOA3 SOA2 SOA1 SOA0

ST3

ST2

ST1

ST0

IN_SPI3

IN_SPI2

IN_SPI1

IN_SPI0

WDIN

UVF

OVF

SOA4 SOA3 SOA2 SOA1 SOA0

ST3

ST2

ST1

ST0

CSNS EN3

CSNS EN2

CSNS EN1

CSNS EN0

A1 A0 0

WDIN

UVF

OVF

SOA4 SOA3 SOA2 SOA1 SOA0

ST3

ST2

ST1

ST0

SOCH_s

SOCL2_s

SOCL1_s

SOCL0_s

A1 A0 0

WDIN

UVF

OVF

SOA4 SOA3 SOA2 SOA1 SOA0

ST3

ST2

ST1

ST0

OL_DIS_s

OCL_DIS_s

OCLT1_s

OCLT0_s

A1 A0 1

WDIN

UVF

OVF

SOA4 SOA3 SOA2 SOA1 SOA0

ST3

ST2

ST1

ST0

Fast_SR_s

CSNS_high_s

DIR_DIS_s

A/O_s

WDIN

UVF

OVF

SOA4 SOA3 SOA2 SOA1 SOA0

ST3

ST2

ST1

ST0

–

UV_DIS

OV_DIS

WDIN

UVF

OVF

SOA4 SOA3 SOA2 SOA1 SOA0

ST3

ST2

ST1

ST0

–

WDTO

WD1

WD0

WDIN

UVF

OVF

SOA4 SOA3 SOA2 SOA1 SOA0

ST3

ST2

ST1

ST0

HS2_failsaf

HS0_failsaf

WD_en

WAKE

WDIN

UVF

OVF

SOA4 SOA3 SOA2 SOA1 SOA0

ST3

ST2

ST1

ST0

IN3

IN2

IN1

IN0

x=Don’t care.

s=Output selection with the bits A1A0 as defined in Table 3, page 19.

Table 10. Channel-Specific Fault Register

OD3

OD2

OD1

OD0

OTF_s

OCHF_s

OCLF_s

OLF_s

s=Selection of the output.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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