15-14 |
Extended_Register_Command |
R/W |
0x0 |
Extended Register Command:
0x0 = Address
0x1 = Data, no post increment
0x2 = Data, post increment on read and write
0x3 = Data, post increment on write only
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4-0 |
DEVAD |
R/W |
0x0 |
Device Address: Bits [4:0] are the device address, DEVAD, that directs any accesses of ADDAR register (0x000E) to the appropriate MMD. Specifically, the DP83825 uses the vendor specific DEVAD [4:0] = '11111' for accesses to registers 0x04D1 and lower. For MMD3 access, the DEVAD[4:0] = '00011'. For MMD7 access, the DEVAD[4:0] = '00111'. All accesses through registers REGCR and ADDAR should use the DEVAD for either MMD, MMD3 or MMD7. Transactions with other DEVAD are ignored.
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