MC68HC705C8AB Freescale Semiconductor, MC68HC705C8AB Datasheet - Page 29
MC68HC705C8AB
Manufacturer Part Number
MC68HC705C8AB
Description
IC MCU 8K OTP 2.1MHZ 42-SDIP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC68HC705C8AB.pdf
(222 pages)
Specifications of MC68HC705C8AB
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
42-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
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1.7 Pin Functions
1.7.1 V
1.7.2 V
MC68HC705C8A — Rev. 3
MOTOROLA
DD
PP
and V
NOTE:
SS
This subsection describes the MC68HC705C8A signals. Reference is
made, where applicable, to other sections that contain more detail about
the function being performed.
V
from a single power supply.
Very fast signal transitions occur
on the MCU pins, placing high
short-duration current demands
on the power supply. To prevent
noise problems, take special care
to provide good power supply
bypassing at the MCU. Place
bypass capacitors as close to the
MCU as possible, as shown in
Figure
This pin provides the programming voltage to the EPROM array. For
normal operation, V
Connecting the V
result in damage to the MCU.
DD
Freescale Semiconductor, Inc.
and V
For More Information On This Product,
1-7.
SS
Go to: www.freescale.com
are the power supply and ground pins. The MCU operates
General Description
PP
PP
pin (programming voltage) to V
shuld be tied to V
Figure 1-7. Bypassing Layout
DD
.
Recommendation
MCU
V
V
SS
DD
SS
C1
(ground) could
General Description
V+
+
Technical Data
C2
Pin Functions
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