Freescale Semiconductor DEMO9S08AC60E Manual do Utilizador descarregar pdf (Página 17)

Table 1-7 COM Connector (J34) Pinout

Pin Signal Name

Connected to pins 4 and 6 through

ero ohm resistors R55 and R56

2 TXD

3 RXD

Connected to pins 1 and 6 through

ero ohm resistors R55 and R56

5 GND

Connected to pins 1 and 4 through

ero ohm resistors R55 and R56

7 NC

8 NC

9 NC

DEMO9S08AC60E User’s Guide, Rev. 0.1

Freescale Semiconductor 17

1.13 User Options

The DEMO9S08AC60E includes various user input and output devices to assist

in application development and silicon evaluation. These devices include four

pushbutton switches, a 10 LED light bar, 8 rocker switches, an accelerometer,

a light sensor, and a potentiometer.

1.13.1 Pushbutton Switches

Four pushbutton switches provide momentary active low input for user

applications. MCU port pins can be disconnected from these pushbutton

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