35
PPC-3100/3120 User Manual
Chapter 3
Jumpers
and
Connectors
P5 P6
3.2
External COM Ports &DIO Pin Definition
Figure 3.2 COM Port
COM1:
Pin9 is RI signal in COM port by default. You can also select a pin with power (5 V /12
V) (For details, please see Chapter 4.2.4) via BIOS for external device.
COM2:
The mode can be RS232/422/485, which can be selected via BIOS (For details,
please see “BIOS Setup” and “COM2 Mode Selection”.) You can make PIn9 with
power like COM1.
DIO:
5V tolerant I/Os.
8-bit parallel input/output port.
Control signal is SMBUS.
CN58
Graphic
RS 422 120
Ω
Resistor Selection (COM 2)
(1-2) (3-4)
P6
Add 120
Ω
Resistor
Voltage (V)
Max. Current (A)
5 V +/-10%
0.5
12 V +/-10%
0.25
Содержание PPC-3100/3120
Страница 1: ...User Manual PPC 3100 3120 Intel Atom Processor Based Micro Computer with a 10 4 12 1 Color TFT LCD...
Страница 6: ...PPC 3100 3120 User Manual vi...
Страница 13: ...5 PPC 3100 3120 User Manual Chapter 1 Overview 1 3 Dimensions PPC 3100...
Страница 16: ...PPC 3100 3120 User Manual 8...
Страница 45: ...Chapter 4 4 Software Setup Sections include Driver Installation BIOS Setup Program...