MC68HC705C8AB Freescale Semiconductor, MC68HC705C8AB Datasheet - Page 77
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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7.1 Contents
7.2 Introduction
MC68HC705C8A — Rev. 3
MOTOROLA
Technical Data — MC68HC705C8A
7.2
7.3
7.3.1
7.3.2
7.3.3
7.4
7.4.1
7.4.2
7.4.3
7.5
7.5.1
7.5.2
7.5.3
7.6
This section describes the programming of ports A, B, C, and D.
Freescale Semiconductor, Inc.
For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Port A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Port B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Port C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Port D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Port A Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Data Direction Register A. . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Port A Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Port B Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Data Direction Register B. . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Port B Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Port C Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Data Direction Register C. . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Port C Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Section 7. Parallel Input/Output (I/O)
Go to: www.freescale.com
Parallel Input/Output (I/O)
Technical Data
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