MC68HC705C4ACB MOTOROLA [Motorola, Inc], MC68HC705C4ACB Datasheet - Page 106
MC68HC705C4ACB
Manufacturer Part Number
MC68HC705C4ACB
Description
Microcontrollers
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC705C4ACB.pdf
(210 pages)
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EPROM/OTPROM (PROM)
9.3.2 Preprogramming Steps
Technical Data
106
CAUTION:
NOTE:
Before programming the PROM using an MC68HC05PGMR PCB in
standalone mode, the user should ensure that:
If the V
MCU device will suffer permanent damage.
Once those conditions are met, the user should take these steps before
beginning programming:
No PROM MCU should be inserted in or removed from its board socket
(U2 or U3) while V
1. Remove the V
2. Set switch 1 in the OFF position (removes V
3. Place the programmed EPROM in socket U1.
4. Insert the erased PROM MCU device to be programmed in the
5. Set switch S2 in the RESET position.
•
•
•
•
•
A jumper is installed on pins 1 and 2 of mode select header J1.
An EPROM is programmed with the necessary user code.
The erasure window (if any) of the device to be programmed is
covered.
V
V
proper socket:
PP
a. MC68HC705C8S or MC68HC705C8P in socket U2 (40-pin
b. MC68HC705C8FN in socket U3 (44-pin PLCC) with the
DD
PP
level at the MCU exceeds +16 Vdc, then the MC68HC705C4A
is available on the board.
of +5 Vdc is available on the board.
DIP) or
device notch at the upper right corner of the socket.
EPROM/OTPROM (PROM)
PP
PP
(P1, slot 5) or V
power source.
MC68HC705C4A • MC68HSC705C4A — Rev. 3.0
DD
(switch 1) is active on the board.
DD
).
MOTOROLA
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