LCD
PANEL
RAM
ROM
PCMCIA
CONTROLLER
IR
CPU
FOR EMBEDDED
APPLICATION
RS232C
DRIVER
PDA PLATFORM
COM
PORT
Figure 20. IR layout in PDA platform.
The link distance testing was
done using typical HSDL-3203
units with National
Semiconductor’s PC87109 3V
Super I/O controller and SMC’s
FDC37C669 and FDC37N769
Super I/O controllers. An IR link
distance of up to 100 cm was
demonstrated.
TOUCH
PANEL
HSDL-3203
15