PMBus 6-Channel Power-Supply Manager

15

Table 1. PMBus Command Codes (continued)

Note 1: Common commands are shaded. Access through any page results in the same device response.

Note 2: In the Flash Stored column, an “N” indicates that this parameter is not stored in flash memory when the STORE_

DEFAULT_ALL command is executed and the value shown in the Default Value column is automatically loaded upon

power-on reset or when the RST pin is asserted. A “Y” in the Flash Stored column indicates that the currently loaded value

in this parameter is stored in flash memory when the STORE_DEFAULT_ALL command is executed and is automatically

loaded upon power-on reset or when the RST pin is asserted and the value shown in the Default Value column is the

value when shipped from the factory. “FIXED” in the Flash Stored column means this value is fixed at the factory and

cannot be changed.

Note 3: The factory-set default value for this 8-byte block is 3130313031303130h.

Note 4: The factory-set default value for the complete block of the MFR_NV_FAULT_LOG is FFh.

Note 5: The power-on reset value for this 4-byte block is 00000000h.

CODE

COMMAND NAME

TYPE

PAGE

0–5

PAGE

6–13

PAGE

255

NO. OF

BYTES

FLASH

STORED

(NOTE 2)

DEFAULT

VALUE

(NOTE 2)

(NOTE 1)

60h

TON_DELAY

R/W Word

R/W

—

—

2

Y

0000h

62h

TON_MAX_FAULT_LIMIT

R/W Word

R/W

—

—

2

Y

0000h

64h

TOFF_DELAY

R/W Word

R/W

—

—

2

Y

0000h

78h

STATUS_BYTE

Read Byte

R

R

R

1

N

00h

79h

STATUS_WORD

Read Word

R

R

R

2

N

0000h

7Ah

STATUS_VOUT

Read Byte

R

—

—

1

N

00h

7Eh

STATUS_CML

Read Byte

R

R

R

1

N

00h

80h

STATUS_MFR_SPECIFIC

Read Byte

R

R

—

1

N

00h

8Bh

READ_VOUT

Read Word

R

—

—

2

N

0000h

8Ch

READ_IOUT

Read Word

R

—

—

2

N

0000h

8Dh

READ_TEMPERATURE_1

Read Word

—

R

—

2

N

0000h

98h

PMBUS_REVISION

Read Byte

R

R

R

1

FIXED

11h

99h

MFR_ID

Read Byte

R

R

R

1

FIXED

4Dh

9Ah

MFR_MODEL

Read Byte

R

R

R

1

FIXED

51h

9Bh

MFR_REVISION

Read Word

R

R

R

2

FIXED

3030h

9Ch

MFR_LOCATION

Block R/W

R/W

R/W

R/W

8

Y

(Note 3)

9Dh

MFR_DATE

Block R/W

R/W

R/W

R/W

8

Y

(Note 3)

9Eh

MFR_SERIAL

Block R/W

R/W

R/W

R/W

8

Y

(Note 3)

D1h

MFR_MODE

R/W Word

R/W

R/W

R/W

2

Y

0000h

D4h

MFR_VOUT_PEAK

R/W Word

R/W

—

—

2

N

0000h

D5h

MFR_IOUT_PEAK

R/W Word

R/W

—

—

2

N

0000h

D6h

MFR_TEMPERATURE_PEAK

R/W Word

—

R/W

—

2

N

8000h

D7h

MFR_VOUT_MIN

R/W Word

R/W

—

—

2

N

7FFFh

D9h

MFR_FAULT_RESPONSE

R/W Word

R/W

—

—

2

Y

0000h

DAh

MFR_FAULT_RETRY

R/W Word

R/W

R/W

R/W

2

Y

0000h

DCh

MFR_NV_FAULT_LOG

Block Read

R

R

R

255

Y

(Note 4)

DDh

MFR_TIME_COUNT

Block Read

R

R

R

4

N

(Note 5)

E0h

MFR_MARGIN_CONFIG

R/W Word

R/W

—

—

2

Y

0000h

F0h

MFR_TEMP_SENSOR_CONFIG

R/W Word

—

R/W

—

2

Y

0000h