MC68HC705C8AFNE Freescale Semiconductor, MC68HC705C8AFNE Datasheet - Page 110
MC68HC705C8AFNE
Manufacturer Part Number
MC68HC705C8AFNE
Description
IC MCU 8BIT 44-PLCC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC68HC705C8AB.pdf
(222 pages)
Specifications of MC68HC705C8AFNE
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
0°C ~ 70°C
Package / Case
44-PLCC
Processor Series
HC705C
Core
HC05
Data Bus Width
8 bit
Data Ram Size
304 B
Interface Type
SCI, SPI
Maximum Clock Frequency
2.1 MHz
Number Of Programmable I/os
24
Number Of Timers
1
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
On-chip Adc
8 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC705C8AFNE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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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
).
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