QT2032-EKG-1A2 Applied Micro Circuits Corporation, QT2032-EKG-1A2 Datasheet - Page 76

• Manufacturer Part Number: QT2032-EKG-1A2
• Manufacturer: Applied Micro Circuits Corporation

Specifications of QT2032-EKG-1A2

• Lead Free Status / RoHS Status: Supplier Unconfirmed

QT2022/32 - Data Sheet: DS3051
Figure 23: MDIO Frame Structure
9.6.1 Preamble Field (PRE)
At the beginning of each transaction the STA shall send a preamble sequence of 32 contiguous logic one bits on
MDIO with 32 corresponding cycles on MDC, to provide the QT2022/32 with a pattern that it can use to establish
synchronization. The QT2022/32 must observe this preamble sequence before it responds to any transaction.
9.6.2 Start Field (ST)
The Start of Frame is indicated by a <00> pattern.
76
Device Management Interface - Read Increment Frame Structure
Device Management Interface - Read Frame Structure
Device Management Interface - Address Frame Structure
Device Management Interface - Write Frame Structure
MDIO Write
MDIO Write
MDIO Read
Increment
MDIO Read
MDC
MDC
MDC
MDC
Idle
Idle
Idle
Idle
32 “1”s
Preamble
32 “1”s
Preamble
32 “1”s
Preamble
32 “1”s
Preamble
0
0
0
0
AppliedMicro - Confidential & Proprietary
ST
ST
ST
ST
0
0
0
0
0
Op Code
0
Op Code
1
Op Code
1
Op Code
0
1
0
1
Write
Write
A4
A4
A4
A4
PHY Address
PHY Address
PHY Address
PHY Address
A3
A3
A3
A3
A0
A0
A0
A0
Write
Write
R4
R4
R4
R4
Register Address
Register Address
Register Address
Register Address
R3
R3
R3
R3
R0
R0
R0
R0
Turnaround
Turnaround
Z
Z
1
1
Turnaround
Turnaround
0
0
0
0
D15
D15
A15
D15
D14
D14
A14
D14
Data
Read
Read
Data
Address
Data
A1
D1
D1
D1
A0
D0
D0
D0
Z
Z
Idle
Z
Idle
Idle
Z
Idle
Revision 5.11