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C167CS Datasheet(PDF) 165 Page - Infineon Technologies AG

Part # C167CS
Description  16-Bit Single-Chip Microcontroller
PDF  517 Pages
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

C167CS Datasheet(HTML) 165 Page - Infineon Technologies AG

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C167CS
Derivatives
Parallel Ports
User’s Manual
7-38
V2.0, 2000-07
7.9
Port 5
This 16-bit input port can only read data. There is no output latch and no direction
register. Data written to P5 will be lost.
Alternate Functions of Port 5
Each line of Port 5 is also connected to the input multiplexer of the Analog/Digital
Converter. All port lines can accept analog signals (ANx) that can be converted by the
ADC. For pins that shall be used as analog inputs it is recommended to disable the digital
input stage via register P5DIDIS (see description below). This avoids undesired cross
currents and switching noise while the (analog) input signal level is between
VIL and VIH.
Some pins of Port 5 also serve as external GPT timer control lines.
Table 7-7 summarizes the alternate functions of Port 5.
P5
Port 5 Data Register
SFR (FFA2H/D1H)
Reset Value: XXXXH
15
14
13
12
11
10
98765
43210
P5
.15
P5
.14
P5
.13
P5
.12
P5
.11
P5
.10
P5
.9
P5
.8
P5.7 P5.6 P5.5 P5.4 P5.3 P5.2 P5.1 P5.0
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
Bit
Function
P5.y
Port data register P5 bit y (Read only)



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