SDA55XX Datasheet, PDF (192/230 Pages) Infineon Technologies AG – Preliminary & Confidential

SDA 55xx
Preliminary & Confidential
Display
18.4.5 Flash Rate Control
This attribute is used to control the flash rate for the full screen. All the
characters on the screen for which flash is enabled are flashing with same
frequency and in same phase.
FLRATE1
0
0
1
FLRATE0 Description
0
Slow flash rate
The flash rate is derived from display V pulse
For 50Hz systems Flash rate is approximately 0.5 Hz
Duty cycle is approximately 50%
1
Medium flash rate
The flash rate is derived from the V pulse
For 50Hz systems Flash rate is approximately 1.0 Hz
Duty cycle is approximately 50%
X
Fast flash rate
The flash rate is derived from the V pulse
For 50Hz systems Flash rate is approximately 2.0 Hz
Duty cycle is approximately 50%
see also 18.4 / Global Display Word (GDW)
Semiconductor Group
192
User’s Manual July 99