HT16C21
Segment / VLCD shared pin and internal voltage adjustment setting
Start
Set as Segment pin
Set as VLCD pin
Segment / VLCD share
pin setting
yes
Internal voltage
adjustment
enable ?
The bias voltage is supplied by
Programmable Internal voltage
adjustment
The external MCU
can detect the
voltage of VLCD pin
Internal voltage
adjustment
enable ?
yes
no
no
One external resistor must be connected
between to VLCD pin and VDD pin to
determine the bias voltage
The bias voltage is supplied by
internal VDD power
Next processing
Rev. 1.00
23
November 22, 2011