Optrex IM50240 Display

Hitachi HD44100H Chipset

hd44100r_datasheet.pdf

Pin	Function	Notes
1	DL1
2	CL1
3	CL2
4	M	500KHz @ 50% duty cycle
5	n/c
6	VCC
7	IC GND & VEE
8	“Clear” Button
9	“Secure” Button
10	Ground