msm9225 Oki Semiconductor, msm9225 Datasheet - Page 30

• Manufacturer Part Number: msm9225
• Description: Can Controller Area Network Controller
• Manufacturer: Oki Semiconductor

2. Transmit Procedure
¡ Semiconductor
The transmit procedure is indicated below.
Write message data to data memory
Set MMA bit of the inside message
register's MMA = 0 and TRQ = 1
control register (X0hex) to "1"
Set TIRS bit of CANC register
Set TIRS bit of CANC register
Set inside message control
Transmit setting complete
Transmission operation
Start transmit setting
All transmit message
settings complete?
Read MMA bit
(0Ehex) to "0"
(0Ehex) to "1"
MMA = 1?
YES
YES
NO
NO
*) Since the MMA bit cannot be set to
"1" while the message is being accessed,
read and verify its value.
MSM9225
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