MC68HC705C8ACFN Freescale Semiconductor, MC68HC705C8ACFN Datasheet - Page 110

IC MCU 4MHZ 8K OTP 44-PLCC

MC68HC705C8ACFN

Manufacturer Part Number
MC68HC705C8ACFN
Description
IC MCU 4MHZ 8K OTP 44-PLCC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet

Specifications of MC68HC705C8ACFN

Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
24
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
304 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-

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EPROM/OTPROM (PROM)
9.3.2 Preprogramming Steps
Technical Data
110
NOTE:
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.
Freescale Semiconductor, Inc.
For More Information On This Product,
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:
– MC68HC705C8S or MC68HC705C8P in socket U2 (40-pin
– MC68HC705C8FN in socket U3 (44-pin plastic leaded chip
PP
DD
PP
dual in-line package (DIP)) or
carrier (PLCC)) with the device notch at the upper right corner
of the socket.
level at the MCU exceeds +16 Vdc, then the MC68HC705C8A
is available on the board.
of +5 Vdc is available on the board.
EPROM/OTPROM (PROM)
Go to: www.freescale.com
PP
PP
(P1, slot 5) or V
power source.
DD
(switch 1) is active on the board.
MC68HC705C8A — Rev. 3
DD
).
MOTOROLA

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