UPD7229

UPD7229 is 1/8/ 1/16 DUTY LCD CONTROLLER/DRIVER manufactured by NEC.

UPD7229 Datasheet

Part Number	Description
UPD7220A	High Performance Graphics Display Controller
UPD7225	PROGRAMMABLE LCD CONTROLLER/DRIVER
UPD7227	Dot-Matrix LCD Controller/Driver
UPD7228	1/8/ 1/16 DUTY LCD CONTROLLER/DRIVER
UPD7228A	Programmable LCD Controller / Driver

µ PD16434 is LCD controller/driver containing the interfacing.

DOT matrix LCD controller/driver
Display data storage RAM : 20 × 50 × 8 bits
Programmer specified dot (graphic) display
Capable of alphanumeric and symbolic displays thorough built-in ROM (5 by 7 dots) 160 characters
Parallel data input/output (Switch able between 4 and 8 bits)
Cursor manipulation mand
Upgraded version of µ PD7228, µ PD7228A, µ PD7229, µ PD7229A