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SERIAL PORT PINS
Pin No.
Name
48
SDEN
SDATA
47
SCLK
46
26
Type
Description
SERIAL DATA ENABLE: Serial enable CMOS input. A high level input
I
enables the serial port. (not to be left open)
SERIAL DATA: Serial data bidirectional CMOS pin(V33). NRZ programming
I/O
data for the internal registers is applied to this input. (not to be left open)
SERIAL CLOCK: Serial clock CMOS input. The clock applied to this pin is
I
synchronized with the data applied to SDATA. (not to be left open)
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