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22 Sept 2016
v1.1
2.3 I2C Address space and registers
The FMC-V2 carrier’s “board I2C” bus is the board’s HDMIO I2C bus. The net names on this bus
are HDMIO_SCL and HDMIO_SDA. This bus accesses the following devices at the following
I2C addresses:
IDT Config EEPROM Slave Address (EEPROM):
0xA0
-------------------------------------
| 1 | 0 | 1 | 0 | A2 | A1 | 0 | R/W |
-------------------------------------
MAC ID Slave Address (EEPROM):
0xA2
-------------------------------------
| 1 | 0 | 1 | 0 | A2 | A1 | 1 | R/W |
-------------------------------------
RTC Slave Address:
0xD0
-----------------------------------
| 1 | 1 | 0 | 1 | 0 | 0 | 0 | R/W |
-----------------------------------
HDMI Slave Addresses:
0x72
(Main Map slave address)
-----------------------------------
| 0 | 1 | 1 | 1 | 0 | 0 | 1 | R/W |
-----------------------------------
0x70
(Packet Memory Map slave address controlled by Main Map Register 0x45)
-----------------------------------
| 0 | 1 | 1 | 1 | 0 | 0 | 0 | R/W |
-----------------------------------
0x78
(CEC Map slave address controlled by Main Map Register 0xE1)
-----------------------------------
| 0 | 1 | 1 | 1 | 1 | 0 | 0 | R/W |
-----------------------------------
0x7C
(Fixed I2C Map slave address controlled by Main Map Register 0xF9)
-----------------------------------
| 0 | 1 | 1 | 1 | 1 | 0 | 1 | R/W |
-----------------------------------
0x7E
(CEC Map slave address controlled by Main Map Register 0xE1)
-----------------------------------
| 0 | 1 | 1 | 1 | 1 | 1 | 0 | R/W |
-----------------------------------
IDT-242 Slave Address:
0xF8
(Default OTP setting when using -006 IDT factory load)
-----------------------------------
| 1 | 1 | 1 | 1 | 1 | 0 | 0 | R/W |
-----------------------------------
0xD8
(When configured with Avnet factory default EEPROM config)
-----------------------------------
| 1 | 1 | 0 | 1 | 1 | 0 | 0 | R/W |
-----------------------------------