MC68HC705JD FREESCALE [Freescale Semiconductor, Inc], MC68HC705JD Datasheet - Page 49

• Manufacturer Part Number: MC68HC705JD
• Description: member of the low-cost
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

8.2 Host Downloading
Rev. 2
Complete the following steps to bootload the MCU:
The MC68HC05P8EVS board supports downloading user programs directly from a
personal computer. Refer to MC68HC05P8EVS Customer Specified Integrated
Circuit (CSIC) Evaluation System , Motorola document number BR735/D.
10.
11. Remove the V
1. Turn off all power to the circuit.
2. Install the MCU and the EPROM.
3. Select the MCU mode:
4. Select the bootloader function:
5. Close switch S1 to reset the MCU.
6. Apply V
7. Apply the EPROM programming voltage, V
8. Open switch S1 to take the MCU out of reset. During programming the
9. Close switch S1 to reset the MCU.
a. Install a jumper between points 2 and 3 to program the MCU as an
b. Install a jumper between points 1 and 2 to program the MCU as an
a. Open switch S2 to select the program and verify function.
b. Close switch S2 to select the verify only function.
PROGRAM LED turns on. It turns off when the verification routine begins. If
verification is successful, the VERIFY LED turns on. If the bootloader finds an
error during verification, it puts the error address on the external address bus
and stops running.
Remove the V
MC68HC705J2.
MC68HC05J1.
DD
Freescale Semiconductor, Inc.
to the circuit.
For More Information On This Product,
DD
PP
voltage.
voltage.
Go to: www.freescale.com
BOOTLOADER MODE
PP
, to the circuit.
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