CCU addresses:

FEC 0xc Ring 0x8 CCU 0x7e found
FEC 0xc Ring 0x8 CCU 0x7d found
FEC 0xc Ring 0x8 CCU 0x7c found
FEC 0xc Ring 0x8 CCU 0x7b found
FEC 0xc Ring 0x8 CCU 0x7a found
FEC 0xc Ring 0x8 CCU 0x79 found
FEC 0xc Ring 0x8 CCU 0x78 found
FEC 0xc Ring 0x8 CCU 0x77 found

Redundancy CCU has address 0x76

* CCU redundnacy scheme: http://www.physik.uzh.ch/~leac/CMSPixel/Docs/CCU/ccu_redundnacy.pdf

i2c address for the TrFEC DOH:
CCU 0x7b channel 0x10 deviceAddress 0x70-0x73
CCU 0x7c channel 0x10 deviceAddress 0x70-0x73

i2c address for the pxFEC DOH:
CCU 0x7c channel 0x11 deviceAddress 0x70-0x73
CCU 0x7c channel 0x13 deviceAddress 0x70-0x73

i2c address for the PLL:
CCU 0x7c channel 0x11 deviceAddress 0x40-0x43
CCU 0x7c channel 0x13 deviceAddress 0x40-0x43

i2c address for the Delay25:
CCU 0x7c channel 0x11 deviceAddress 0x60-0x67
CCU 0x7c channel 0x13 deviceAddress 0x60-0x67

i2c address for the POH:
CCU 0x7c channel 0x11 deviceAddress 0x0-0x07
CCU 0x7c channel 0x11 deviceAddress 0x08-0x0F
CCU 0x7c channel 0x11 deviceAddress 0x10-0x17
CCU 0x7c channel 0x11 deviceAddress 0x18-0x1F
CCU 0x7c channel 0x11 deviceAddress 0x20-0x27
CCU 0x7c channel 0x11 deviceAddress 0x28-0x2F
CCU 0x7c channel 0x11 deviceAddress 0x30-0x37
CCU 0x7c channel 0x13 deviceAddress 0x0-0x07
CCU 0x7c channel 0x13 deviceAddress 0x08-0x0F
CCU 0x7c channel 0x13 deviceAddress 0x10-0x17
CCU 0x7c channel 0x13 deviceAddress 0x18-0x1F
CCU 0x7c channel 0x13 deviceAddress 0x20-0x27
CCU 0x7c channel 0x13 deviceAddress 0x28-0x2F
CCU 0x7c channel 0x13 deviceAddress 0x30-0x37