Protouch-wide: user documentation
DOC/PROTOUCH-8; V1.6
DOC_PROTOUCH_8-E_V1.6.docx
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Switching Characteristics (nominal conditions)
Parameter
Symbol
min
nom
max
processor clock (TFT/HxxxxPU8G13-zzzz)
fcpu
1.33
GHz
processor clock (TFT/HxxxxPU8H19-zzzz)
fcpu
1.91
GHz
UART base clock
fuart
1.8459
MHz
COM1/2 baud rate
115.2 kbaud
Watchdog timeout (short period)
Tw
70
100
140
ms
Watchdog timeout (long period)
Tw
1.0
1.6
2.25
s
Timer base clock
ftimer
1.19318
MHz
Timer base clock accuracy
+/-100 ppm
Timer base clock aging
+/-5
ppm/year
Real Time Clock base clock
frtc
32.768
kHz
Real Time Clock accuracy (25°C)
+/-20 ppm
Real Time Clock temperature coefficient
-0.04 ppm/(°C)
²
Real Time Clock aging
+/-3
ppm/year
LCD inverter brightness PWM base clock
fpwm
16
kHz
Tab. 19
General Switching Characteristics
4.2
EMI / EMC Specification
The PROTOUCH-8 system fulfills the following standards:
Emission:
EN55032 / CISPR 32 Class A
Immunity:
EN55035 / CISPR 35 Class A
Important Note
The PROTOUCH system is a class A system for industrial applications. It is not indented for use in residential or home
applications.