MC68HC705J1ACDW Freescale Semiconductor, MC68HC705J1ACDW Datasheet - Page 87

IC MCU 4MHZ 1.2K OTP 20-SOIC

MC68HC705J1ACDW

Manufacturer Part Number
MC68HC705J1ACDW
Description
IC MCU 4MHZ 1.2K OTP 20-SOIC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet

Specifications of MC68HC705J1ACDW

Core Processor
HC05
Core Size
8-Bit
Speed
4MHz
Peripherals
POR, WDT
Number Of I /o
14
Program Memory Size
1.2KB (1.2K x 8)
Program Memory Type
OTP
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Connectivity
-

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6.1 Contents
6.2 Introduction
MC68HC705J1A — Rev. 4.0
Technical Data — MC68HC705J1A
NOTE:
6.2
6.3
6.3.1
6.3.2
6.3.3
6.3.4
6.3.5
6.4
6.4.1
6.4.2
6.4.3
6.5
6.6
Fourteen bidirectional pins form one 8-bit input/output (I/O) port and one
6-bit I/O port. All the bidirectional port pins are programmable as inputs
or outputs.
Connect any unused I/O pins to an appropriate logic level, either V
V
operation, termination reduces excess current consumption and the
possibility of electrostatic damage.
Section 6. Parallel Input/Output (I/O) Ports
SS.
Freescale Semiconductor, Inc.
For More Information On This Product,
Although the I/O ports do not require termination for proper
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Port A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Port B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
5.0-Volt I/O Port Electrical Characteristics . . . . . . . . . . . . . . . . 95
3.3-Volt I/O Port Electrical Characteristics . . . . . . . . . . . . . . . . 95
Port A Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Data Direction Register A. . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Pulldown Register A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Port A LED Drive Capability . . . . . . . . . . . . . . . . . . . . . . . . . 92
Port A I/O Pin Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Port B Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Data Direction Register B. . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Pulldown Register B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Parallel Input/Output (I/O) Ports
Go to: www.freescale.com
Technical Data
DD
or

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