msm9225 Oki Semiconductor, msm9225 Datasheet - Page 36

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

Transmit data setting
Remote transmission
¡ Semiconductor
Remote reception
Microcontroller (user) operation
Write transmit data to data memory
Figure: Manual Response Operation Flow Chart
Verify transmission is complete
Verify receive message number
Set MMA bit of inside message
registers MMA = 0 and TRQ = 1
Set RCS bit of inside message
control register (X0hex) to "0"
Set TIRS bit of CANC register
Set inside message control
with CANI retgister (0Fhex)
with TMN retgister (9Ehex)
Verify reception interrupt
Start Manual response
control register to "1"
(0Ehex) to "1"
MMA = 1?
YES
NO
Transmission completion generates
Message reception generates
MSM9225 operation
Remote frame reception?
Data frame transmission
INT: 1 Æ 0
INT: 1 Æ 0
interrupt
YES
interrupt
MSM9225
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NO