DEMO9S08QE8 Freescale Semiconductor, DEMO9S08QE8 Datasheet - Page 25

BOARD DEMO FOR MC9S08Q

DEMO9S08QE8

Manufacturer Part Number
DEMO9S08QE8
Description
BOARD DEMO FOR MC9S08Q
Manufacturer
Freescale Semiconductor
Series
Flexis™r
Type
MCUr

Specifications of DEMO9S08QE8

Contents
Demo Board
Silicon Manufacturer
Freescale
Core Architecture
HCS08
Core Sub-architecture
HCS08
Silicon Core Number
MC9S08
Silicon Family Name
Flexis - S08QE
Rohs Compliant
Yes
For Use With/related Products
MC9S08QE8
For Use With
DEMOACEX - BOARD EXPANSION FOR DEMO KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
7.2
7.2.1
DEMO9S08QE8 User Manual
RS232 Communications
J6 - SCI RXD Signal Selection Jumper RXD_EN
The DEMO9S08QE8 integrates an RS232 transceiver for the microcontroller
SCI signals. The transceiver operates from 1.8V to 4.25V, and it can be
enabled or disabled via jumper settings or through firmware control. The
DEMO9S08QE8 also integrates the SCI signal into the Embedded Multilink
circuitry. A user can communicate with the microcontroller SCI module via
either the on-board DB9 connector or the Embedded Multilink circuitry. There
are three jumpers associated with SCI communication.
Select the battery pack to supply microcontroller VDD
Select the MCU_PORT to supply microcontroller VDD. This setting
also allows power to be supplied to the target connected to the
MCU_PORT. By default this jumper is installed.
Connects the microcontroller PTB0/RXD signal to the RS232
transceiver.
Figure 7-3: VDD_SELECT Option Header (J5)
21

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