Figure 15-1: Lcd Controller/Driver Block Diagram; Figure 15-2: Lcd Clock Select Circuit Block Diagram - NEC V850E/CA1 ATOMIC Preliminary User's Manual

Display
Data Memory
Segment
Data Selector
Segment Driver
S30 ...
S0 ... S10 ... S20 ...
Note: Segment driver
f /2
SUB
Remark: f : LCD clock frequency
LCD
514
Chapter 15 LCD Controller/Driver

Figure 15-1: LCD Controller/Driver Block Diagram

Timing Controller
Common Driver
S39 COM0

Figure 15-2: LCD Clock Select Circuit Block Diagram

7
Prescaler
Preliminary User's Manual U14913EE1V0UM00
f
LCD
COM2
COM1 COM3
9
/2
f
LCD
8
/2
f
LCD
7
f /2
LCD
6
f /2
LCD
2
LCDC1 LCDC0
LCD display mode register
Internal bus
Prescaler
LCD Drive
Voltage Generator
V V V
LCD0 LCD1 LCD2
f
LCD
f
CKSEL1