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PD69201 데이터시트(PDF) 4 Page - Microchip Technology

부품명 PD69201
상세설명  1-Port PSE PoE Manager
PDF  29 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PD69201 데이터시트(HTML) 4 Page - Microchip Technology

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1.1.2
Setting Capability
• Port enable/disable
• Operating modes
– Power delivered over Alt A/B
– Current limit setting (ILIM)
– Legacy detection enable/disable
1.1.3
Reading Capability
• Port voltage
• IEEE 802.3at detection result
• Classification result
• Port status
The following illustration shows the I2C sequence for both write and read transactions.
Figure 1-2. I2C Sequence
Start
bit
I2C
7-bit
address
W
bit
ack
8-bit
register
address
ack
8-bit
register
data
ack
Stop
bit
Start
bit
I2C
7-bit
address
W
bit
ack
8-bit
register
address
ack
Start
bit
7-bit
address
RD
bit
ack
8/16-bit
register
data
Stop
bit
Command byte
Register address
(byte)
Data (byte/word)
Command byte
Register address
(byte)
Repeat
start
Command byte
Data (byte/word)
Write
Cycle
Read
Cycle
Client
transmits
Host
transmits
PD69201
Functional Descriptions
© 2021 Microchip Technology Inc.
Datasheet
DS00003454D-page 4



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