CHAPTER 2-2: Clock Gating
96 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E
[bit23:20] Reserved: Reserved bits
Write0 to these bits.
[bit19:16] ADCRST[3:0]: Reset control of A/D converter
These bits control the reset of each unit of the A/D converter. The correspondence between each bit and
A/D converter unit is shown below:
bit16 - ADCRST0: A/D converter unit 0
bit17 - ADCRST1: A/D converter unit 1
bit18 - ADCRST2: A/D converter unit 2
bit19 - ADCRST3: A/D converter unit 3
If the relevant bit is set to 1, the corresponding A/D converter unit becomes a reset state, the analog to
digital conversion operation stops, and the register settings are initialized. For products to which the
relevant A/D converter unit is not mounted, do not change the relevant bit from the initial state. To release
the reset state, be sure to set this bit to 0 again.
[bit15:0] MFSRST[15:0]: Control of software reset of multi-function serial interface
These bits control the reset of each channel of the multi-function serial interface. The correspondence
between each bit and the channel is shown below.
bit0 - MFSRST0: Multi-function serial interface channel 0
bit1 - MFSRST1: Multi-function serial interface channel 1
bit2 - MFSRST2: Multi-function serial interface channel 2
bit3 - MFSRST3: Multi-function serial interface channel 3
bit4 - MFSRST4: Multi-function serial interface channel 4
bit5 - MFSRST5: Multi-function serial interface channel 5
bit6 - MFSRST6: Multi-function serial interface channel 6
bit7 - MFSRST7: Multi-function serial interface channel 7
bit8 - MFSRST8: Multi-function serial interface channel 8
bit9 - MFSRST9: Multi-function serial interface channel 9
bit10 - MFSRST10: Multi-function serial interface channel 10
bit11 - MFSRST11: Multi-function serial interface channel 11
bit12 - MFSRST12: Multi-function serial interface channel 12
bit13 - MFSRST13: Multi-function serial interface channel 13
bit14 - MFSRST14: Multi-function serial interface channel 14
bit15 - MFSRST15: Multi-function serial interface channel 15
If the relevant bit is set to 1, the channel of the corresponding multi-function serial interface becomes a
reset state, its serial communications stop, and the register setting is initialized. For products to which the
relevant multi-function serial interface channel is not mounted, it is prohibited to set the relevant bit to 1.
To release the above-mentioned reset, be sure to set this bit to 0 again.
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