MC705C8ABE Freescale Semiconductor, MC705C8ABE Datasheet - Page 31
![IC MCU 8BIT 42-SDIP](/photos/39/70/397054/pdip42_sml.jpg)
MC705C8ABE
Manufacturer Part Number
MC705C8ABE
Description
IC MCU 8BIT 42-SDIP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC68HC705C8AB.pdf
(222 pages)
Specifications of MC705C8ABE
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)
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
Mounting Style
Through Hole
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:
MC705C8ABE
Manufacturer:
Freescale Semiconductor
Quantity:
135
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1.7.3.2 Ceramic Resonator
MC68HC705C8A — Rev. 3
MOTOROLA
NOTE:
To reduce cost, use a ceramic
resonator instead of a crystal. Use the
circuit shown in
ceramic resonator or the circuit shown
in
resonator, and follow the resonator
manufacturer’s recommendations.
The external component values
required for maximum stability and
reliable starting depend upon the
resonator parameters. The load
capacitance values used in the oscillator circuit design should include all
stray layout capacitances. To minimize output distortion, mount the
resonator and capacitors as close as possible to the pins.
The bus frequency (f
(f
period.
OSC
Figure 1-10
Freescale Semiconductor, Inc.
For More Information On This Product,
), while the processor clock cycle (t
Go to: www.freescale.com
for a 3-pin ceramic
General Description
Figure 1-9
OP
) is one-half the external or crystal frequency
OSC1
Ceramic Resonator
Figure 1-10. 3-Pin
for a 2-pin
Connections
RESONATOR
CERAMIC
MCU
CYC
Figure 1-9. 2-Pin Ceramic
OSC2
Resonator Connections
.
OSC1
C
) is two times the f
RESONATOR
CERAMIC
MCU
R
General Description
Technical Data
Pin Functions
OSC2
OSC
C
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