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2
20 I
C
20.4 Settings Before Data Transfer
The I
C module includes an optional noise filter function that can be selected via the application program.
2
Noise filter function
The I
2
C module incorporates a function for filtering noise from the SDA and SCL pin input signals. This func-
tion is enabled by setting NSERM (D4/I2C_CTL register) to 1.
Note that using this function requires setting the I
less of PCLK.
∗ NSERM: Noise Remove On/Off Bit in the I
252
2
C clock (16-bit timer Ch.2 output clock) frequency to 1/6 or
2
C Control (I2C_CTL) Register (D4/0x4342)
EPSON
S1C17001 TECHNICAL MANUAL
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