4 eeprom, 4 video, 5 audio – Artesyn COMX-P1022 Installation and Use (July 2014) User Manual
Page 60: 6 i2c, 1 i2c bus, 4 video 4.5 audio 4.6 i2c, Table 4-1, I2c#1 address distribution
Functional Description
COMX-P1022 COM Express Module Installation and Use (6806800M04C)
60
4.3.4
EEPROM
COMX-P1022 COM Express Module uses two 256x8(2 Kb) I2C EEPROM for boot up
configuration.
4.4
Video
COMX-P1022 COM Express Module supports the following:
DVI
LVDS
4.5
Audio
COMX-P1022 supports an I2S/SSI interface to COM-Express.
4.6
I2C
4.6.1
I2C Bus
There are two I2C buses included in P1022 (I2C#1 and I2C#2).
I2C input clock is equal to platform frequency / 2, which is 266MHz. The desired I2C SCL
frequency is 400KHz so the clock divisor is 667.
There is one device attached to I2C#1 and 5 devices attached to I2C#2. The following tables
describe the I2C buses and devices:
Table 4-1 I2C#1 Address Distribution
IIC1
ADDRESS
EEPROM
0XA0
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