MC68HC705C8ACP Freescale Semiconductor, MC68HC705C8ACP Datasheet - Page 86

IC MCU 4MHZ 8K OTP 40-DIP

MC68HC705C8ACP

Manufacturer Part Number
MC68HC705C8ACP
Description
IC MCU 4MHZ 8K OTP 40-DIP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet

Specifications of MC68HC705C8ACP

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
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-

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Manufacturer
Quantity
Price
Part Number:
MC68HC705C8ACP
Manufacturer:
MOTOROLA
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13
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MC68HC705C8ACP
Manufacturer:
FREESCALE
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Part Number:
MC68HC705C8ACPE
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Parallel Input/Output (I/O)
7.5.2 Data Direction Register C
Technical Data
86
NOTE:
Address:
The contents of data direction register C (DDRC) shown in
determine whether each port C pin is an input or an output. Writing a
logic 1 to a DDRC bit enables the output buffer for the associated port C
pin; a logic 0 disables the output buffer. A reset clears all DDRC bits,
configuring all port C pins as inputs.
DDRC7–DDRC0 — Port C Data Direction Bits
Avoid glitches on port C pins by writing to the port C data register before
changing DDRC bits from logic 0 to logic 1.
Reset:
Read:
Write:
These read/write bits control port C data direction. Reset clears bits
DDRC7–DDRC0.
Freescale Semiconductor, Inc.
For More Information On This Product,
1 = Corresponding port C pin configured as output
0 = Corresponding port C pin configured as input
DDRC7
$0006
Bit 7
0
Figure 7-8. Data Direction Register C (DDRC)
Go to: www.freescale.com
Parallel Input/Output (I/O)
DDRC6
6
0
DDRC5
5
0
DDRC4
4
0
DDRC3
3
0
DDRC2
MC68HC705C8A — Rev. 3
2
0
DDRC1
1
0
Figure 7-8
MOTOROLA
DDRC0
Bit 0
0

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