STEVAL-ISQ002V1 STMicroelectronics, STEVAL-ISQ002V1 Datasheet - Page 24

• 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

PMBus interfacing results
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4.1
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PMBus interfacing results
This section describes the results of interfacing the demonstration board with Artesyn and
SiLabs modules.
Interfacing with Artesyn module
The following table shows the different PMBus commands and ST demonstration board
results compared to the Artesyn DPL20C PMbus module.
Table 41.
Command
code
4A
01
02
03
12
15
20
21
24
25
26
42
43
46
4F
50
51
60
61
64
65
PMBus interfacing with Artesyn module: results
OPERATION
ON_OFF_CONFIG
CLEAR_FAULTS
RESTORE_DEFAULT_
ALL
STORE_USER_ALL
VOUT_MODE
VOUT_COMMAND
VOUT_MAX
VOUT_MARGIN_HIGH
VOUT_MARGIN_LOW
VOUT_OV_WARN_LIM
IT
VOUT_UV_WARN_LIM
IT
IOUT_OC_FAULT_LI
MIT
IOUT_OC_WARN_LIM
IT
OT_FAULT_LIMIT
OT_FAULT_RESPONS
E
OT_WARN_LIMIT
TON_DELAY
TON_RISE
TOFF_DELAY
TOFF_FALL
PMBus command
Doc ID 13286 Rev 2
Read/ write byte
Read/ write byte
Send byte
Send byte
Send byte
Read/ write byte
Read/ write word
Read/ write word
Read/ write word
Read/ write word
Read/ write word
Read/ write word
Read/ write word
Read/ write word
Read/ write word
Read/ write byte
Read/ write word
Read/ write word
Read/ write word
Read/ write word
Read/ write word
SMBus transaction
type
Number
of data
bytes
1
1
0
0
0
1
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
80
14
1 A
00 60
01 60
00 6 A
00 56
00 6E
00 56
00 19
00 17
00 78
B1
00 6E
00 00
00 0A
00 00
00 00
(Si8250)
Data
80
14
1 A
00 60
01 60
00 6 A
00 56
00 6E
00 56
00 19
00 17
00 78
B1
00 6E
00 00
00 0A
00 00
00 00
AN2511
(ST7)
Data