STEVAL-ISQ002V1 STMicroelectronics, STEVAL-ISQ002V1 Datasheet - Page 25

• Manufacturer Part Number: STEVAL-ISQ002V1
• Description: BOARD EVAL BASED ON ST72264G1
• Manufacturer: STMicroelectronics

Specifications of STEVAL-ISQ002V1

• Main Purpose: Interface, PMBus
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: ST72F264
• Primary Attributes: The PMBus™ Interface Using the ST7 I2C Peripheral
• Secondary Attributes: Firmware in C Language
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6423

AN2511
4.2
Table 41.
Interfacing with SiLabs module
The following table shows the different PMBus commands and ST demonstration board
results compared to Silicon Labs Si8250 - TB module.
Table 42.
Command
Command
code
code
01
02
7A
7B
7D
8B
8C
8D
9A
9B
9C
9D
9E
D0
D1
D2
78
79
80
98
99
PMBus interfacing with Artesyn module: results (continued)
PMBus interfacing with SiLabs module: results
OPERATION
ON_OFF_CONFIG
STATUS_BYTE
STATUS_WORD
STATUS_VOUT
STATUS_IOUT
STATUS_TEMPERATU
RE
STATUS_MFR_SPECI
FIC
READ_VOUT
READ_IOUT
READ_TEMPERATURE
PMBUS_REVISION
MFR_ID
MFR_MODEL
MFR_REVISION
MFR_LOCATION
MFR_DATE
MFR_SERIAL
MFR_SPECIFIC_00
MFR_SPECIFIC_01
MFR_SPECIFIC_02
PMBus command
PMBus command
Doc ID 13286 Rev 2
Read byte
Read word
Read byte
Read byte
Read byte
Read byte
Read word
Read word
Read word
Read byte
Read block
Read block
Read/ write block
Read/ write block
Read/ write block
Read/ write block
Read byte
Read byte
Read byte
SMBus transaction
Read/ write byte
Read/ write byte
SMBus transaction
type
type
Number
of data
bytes
Number
of data
1
2
1
1
1
1
2
2
2
1
7
6
2
2
6
6
1
1
1
bytes
PMBus interfacing results
1
1
41
00 41
00
00
00
02
00 01
D7 C3
00 20
01
41 52 54 45
53 59 4E
44 50 4C 32
30 43
31 02
5A 02
32 34 30 33
36 06
31 32 33 34
35 06
28
10
0A
(Si8250)
C0
1E
(Si8250)
Data
Data
41
00 41
00
00
00
02
00 01
D7 C3
00 1D
01
41 52 54
45 53 59
4E
44 50 4C
32 30 43
31 41
5A 53
32 34 30
33 36 36
31 32 33
34 35 36
28
10
0A
C0
1E
(ST7)
(ST7)
Data
Data
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