Z51F3220FNX Datasheet, PDF (270/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

11.15.5 Block Diagram
Z51F3220
Product Specification
Port
Latch
SEG/Port
Driver
LCD
Display
RAM
fLCD
COM/Port
Driver
LCDCRL
Timing
Controller
LCDCRH
LCDCCR
Contrast
Controller
LCD Bias
Voltage
Generator
VLC0
VLC1
VLC2
VLC3
11.15.6 Register Map
Figure 11.106 LCD Circuit Block Diagram
Table 11-26 LCD Register Map
Name
LCDCRH
LCDCRL
LCDCCR
Address
9AH
99H
9BH
Dir
Default
Description
R/W
00H
LCD Driver Control High Register
R/W
00H
LCD Driver Control Low Register
R/W
00H
LCD Contrast Control Register
11.15.7 LCD Driver Register Description
LCD driver register has two control registers, LCD driver control high register (LCDCRH), LCD driver control low
register (LCDCRL) and LCD contrast control register.
PS029902-0212
PRELIMINARY
268