Motorola CPCI-9120, Reference Manual, Page: 153 / 168

Introduction Diagnostics
152 IXP/CPCI-9120
S
YNTAX
phyra
phyw
Example:
phyra
phyw
I2Cread
D
ESCRIPTION
Reads from an I2C device and displays the results. The valid I2C addresses are a0, a2, a4, a8,
ae and ac
.
S
YNTAX
i2cread <slave_addr> <offset_addr> <count>
P
ARAMETERS
•
slave_addr -
address of the I2C device on the bus
•
offset_addr
- memory address inside the I2C device
•
count
- number of bytes read (decimal format)
Example:
i2cread A2 0 10
I2cwrite
D
ESCRIPTION
Writes string data into the memory of an I2C device. The valid addresses are a0, a2, a4, a6, a8,
ae and ac.
Caution
Note: The device is capable of a limited number of writes. Use only as needed.
he S
YNTAX
i2cwrite <slave_addr> <offset_addr> <data>
P
ARAMETERS
•
slave_addr
- address of the I2C device on the bus
•
offset_addr
- memory address inside the I2C device
•
data
- hexadecimal string to write to I2C device memory
Example:
i2write a4 30 123456789