CARPROG Motorola HC11 programmer manual.pdf

S4.4 CarProg Motorola HC11 Programmer manual

For Motorola MPU MC68HC11 series programming use A10 cable.

You can recognize Motorola (Freescale) MPU by maskset:

This MPU maskset is 4C11W.

• First digit Ð4Ñ is mask series number, in practice can be 0, 1, 2, 3, 4 or 5, but for

programming is not important.

• Second 4 symbols is always letter + digit + digit + letter: this is processor maskset or

encrypted processor type. All processor marking can by custom made, like ÐFORD

S2234234Ñ or SC2323454 but always you can find maskset on Motorola or Freescale

processors.

Before programming always select right processor type according maskset.

How to connect CarProg programmer:

For HC11 programming use A10 cable 7 color wires:

YELOW Î communication signal from MPU;

GREEN Î communication signal to MPU;

BLUE Î Reset signal to MPU;

ORANGE Î MODB signal to MPU, low level;

BROWN Î GND (ground);

RED Î switched +5V;

VIOLET - switched +12V;

Troubleshooting:

CarProg ERROR messages:

• Communication error - no communication between CarProg and Motorola processor -

check MPU type, try to select quartz frequency manualy.

MC68HC11 processor security bit in many case is ON (especially in car radios), and

when you try to read MPU internal memory first time, MPU will clear security bit itself. But if

security bit was ON, after first try to read HC11, processor internal EEPROM will by lost.

Don't try to read HC11 MPU if you not sure that you have file for EEPROM recovery.

To understand better onboard MPU programming problems, you can use table with right

programming signals and voltages, described in table.

If you canÓt read or write MPU with CarProg, check:

- did you was select right MPU type;

- did quartz resonator Q is the same in circuit board and in CarProg options;

- did all programming signals have right form and voltage;

Yellow

TXD

From MPU

Green

RXD

To MPU

Orange

LOW

MODB

Blue

RESET

All HC11 MPU

Impulse

3.3-5V

Impulse

3.3-5V

0 V

If all conditions are OK, ask support@codecard.lt

1. MC68HC11A0, MC68HC11A1, MC68HC11A8

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