HT45FM2C Datasheet, PDF (83/171 Pages) Holtek Semiconductor Inc – Brushless DC Motor Flash Type 8-Bit MCU

HT45FM2C
Preliminary
Brushless DC Motor Flash Type 8-Bit MCU
RMT Timing
Noise Filter
A noise filter circuit is included to reduce the possibility of noise spikes or erroneous signal inputs
being decoded as genuine inputs signals.
Dat_In
Noise Filter
Dat_Out
NF_VIH[4:0] NF_VIL[4:0]
Dat_In
Dat_Out
Noise Filter
Noise Filter Registers Description
NF_VIH Register
Bit
7
6
Name NF_BYPS —
R/W
R/W
—
POR
0
—
5
4
3
2
1
0
—
D4
D3
D2
D1
D0
—
R/W
R/W
R/W
R/W
R/W
—
1
1
0
0
1
Bit 7
Bit 6~5
Bit 4~0
NF_BYPS: Bypass Noise Filter Enable
0: Disable
1: Enable, Dat_Out=Dat_In
Unimplemented, read as "0"
NF_VIH Bit 4~Bit 0
NF_VIL Register
Bit
7
6
5
4
3
2
1
0
Name
—
—
—
D4
D3
D2
D1
D0
R/W
—
—
—
R/W
R/W
R/W
R/W
R/W
POR
—
—
—
0
1
0
1
0
Bit 7~5
Bit 4~0
Unimplement, read as "0"
NF_VIL Bit 4~Bit0
Rev. 1.10
83
May 30, 2012