Lcd Characteristics; Table 15.23 Lcd Characteristics - Renesas H8/3847R Series Hardware Manual

15.6.5

LCD Characteristics

Table 15.23 shows the LCD characteristics.

Table 15.23 LCD Characteristics

Item Symbol
Segment driver V
DS
drop voltage
Common driver V
DC
drop voltage
LCD power R
LCD
supply split-
resistance
Liquid crystal V
LCD
display voltage
Notes: 1. The voltage drop from power supply pins V
common pin.
2. When the liquid crystal display voltage is supplied from an external power source,
ensure that the following relationship is maintained: V
Applicable Values
Pins Min Typ
SEG to — —
1
SEG
40
COM to — —
1
COM
4
1.5 3.5
V 2.2 —
1
Section 15 Electrical Characteristics
Test
Max Unit Conditions
0.6 V I = 2 µA
D
V = 2.7 V to 3.6 V
1
0.3 V I = 2 µA
D
V = 2.7 V to 3.6 V
1
7 MΩ Between V
and V
SS
3.6 V
, V , V , and V to each segment pin or
1 2 3 SS
≥ V ≥ V
1 2 3
Rev. 6.00 Aug 04, 2006 page 511 of 680
Notes
* 1
* 1
1
* 2
≥ V
.
SS
REJ09B0145-0600