CHAPTER 2-2: Clock Gating
108 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E
[bit6:4] CANRST[2:0]: Reset control of CAN controller
These bits control the reset of each CAN controller’s channel unit. The correspondence between each bit
and the CAN controller channel is shown below.
bit4 – CANRST0: CAN controller channel 0
bit5 – CANRST1: CAN controller channel 1
bit6 – CANRST2: CAN controller channel 2 (For TYPE3-M4 and TYPE4-M4 products, CAN-FD)
If the relevant bit is set to 1, the channel of the corresponding CAN controller becomes a reset state, the
CAN controller operation stops, and the register settings are initialized. For products to which the CAN
controller channel is not mounted, do not change this bit from the initial value. To release the reset state,
be sure to set this bit to 0 again.
Releases the reset of CAN controller channel corresponding to the relevant bit. (Initial value)
Issues the rest signal to CAN controller channel corresponding to the relevant bit.
[bit3:2] Reserved: Reserved bits
Write 0 to these bits.
[bit1:0] USBRST[1:0]: Reset control of USB (function/host)
These bits control the reset of each channel of USB (function/host). The correspondence between each
bit and the USB channel is shown below.
bit0 – USBRST0: USB channel 0
bit1 – USBRST1: USB channel 1
If the relevant bit is set to 1, the channel of corresponding USB becomes a reset state, the USB operation
stops, and the register settings are initialized. For products to which the relevant USB channel is not
mounted, do not change this bit from the initial value. To release the reset state, be sure to set this bit to 0
again.
Releases the reset of USB channel corresponding to the relevant bit.(Initial value)
Issues the reset to USB channel corresponding to the relevant bit.
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