
96
z GUI (graphic user interface) unit: consists of TFT LCD, inverter for backlight and
internal LCD controller.
8.5" TFT LCD
Inverter
For backlight
TTL data bus
B
a
c
kli
g
h
t
O
N
/
O
FF
CPU
S3C2440A
Figure 34. GUI Unit Block Diagram
z Thermal Printer unit: prints data records.
Thermal Printer
Asynchronous Serial Communication with
Communication Unit
Error Signal
Figure 35. Thermal Printer Unit Block Diagram
z NIBP unit: measures non-invasive blood pressure data.
NIBP
Module
Asynchronous Serial Communication with
Communication Unit
Figure 36. NIBP Unit Block Diagram
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