AN2818 Freescale Semiconductor / Motorola, AN2818 Datasheet - Page 6

• Manufacturer Part Number: AN2818
• Description: Romeo2 Monitor for the MC68HC908AP64 MCU
• Manufacturer: Freescale Semiconductor / Motorola

Using the Software
To use the monitor, please follow the instructions given below.
Using the Software
To use the monitor, the hardware should be set up as follows.
Refer to
The MCU board will communicate with a terminal emulation program on the PC. Hyperterminal is a
common terminal program, which is supplied with the Windows operating system. It should be configured
for 9600 baud, eight data bits, no parity, one stop bit, no flow control. (See
A setup file (Romeo2Monitor.ht) for Hyperterminal is supplied in the software package (AN2818SW.zip)
for this application note and can be downloaded from www.freescale.com.
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14. Click the “Contact target with these settings…” button and follow the instructions on the screen.
15. Follow the on-screen instructions for cycling the MCU power supply. The “CPROG08SZ
16. The monitor program has now been programmed into the FLASH memory of the
10. Connect 9V power supply or battery to power connector on MC68HC908AP64 board.
1. Connect the Romeo2 RF Module to connector J1 on the MC68HC908AP64 Demo Board. Pin 1 on
2. Connect an antenna to the Romeo2 RF module.
3. Install power select (PWR_SEL) jumpers 1 and 2 on the MC68HC908AP64 Demo Board. Both
4. Remove VST_EN jumper.
5. Remove MON_EN jumper.
6. Install jumper across pins 1 and 2 of header OSC_SEL.
7. Install jumper on COM setting of COM_SEL header.
8. Install all USER_EN jumpers.
9. Connect the serial port connector on the MC68HC908AP64 Demo Board to a PC comm. port using
d.
When the “Erase and Program Flash?” window appears, click the “Yes” button.
Programmer” window should close after the MCU FLASH is programmed.
MC68HC908AP64. CodeWarrior is no longer required. Shut all CodeWarrior windows and exit the
program.
each board must be aligned.
jumpers must be installed.
a 9-pin straight-through serial cable.
Figure 3
Target MCU Security bytes: Check the “IGNORE security failure and enter monitor mode”
check box
Romeo2 RF modules are available in a range of frequencies, each is
supplied with appropriate antenna.
for a reference setup.
Romeo2 Monitor for the MC68HC908AP64 MCU, Rev. 0
NOTE
Figure
4.)
Freescale Semiconductor