MC68HC705J1ACDW Freescale Semiconductor, MC68HC705J1ACDW Datasheet - Page 31

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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1.7 IRQ/V
1.8 PA0–PA7
1.9 PB0–PB5
MC68HC705J1A — Rev. 4.0
PP
NOTE:
The external interrupt/programming voltage pin (IRQ/V
asynchronous IRQ interrupt function of the CPU. Additionally, it is used
to program the user EPROM and mask option register. (See
Memory
The LEVEL bit in the mask option register provides negative
edge-sensitive triggering or both negative edge-sensitive and low
level-sensitive triggering for the interrupt function.
If level-sensitive triggering is selected, the IRQ/V
external resistor to V
used, it must be tied to the V
The IRQ/V
to improve noise immunity. The voltage on this pin should not exceed
V
The mask option register can enable the PA0–PA3 pins to function as
external interrupt pins.
These eight input/output (I/O) lines comprise port A, a general-purpose,
bidirectional I/O port. See
for information on PA0–PA3 external interrupts.
These six I/O lines comprise port B, a general-purpose, bidirectional I/O
port.
DD
Freescale Semiconductor, Inc.
except when the pin is being used for programming the EPROM.
For More Information On This Product,
and
PP
Go to: www.freescale.com
Section 8. External Interrupt Module
pin contains an internal Schmitt trigger as part of its input
General Description
DD
for wired-OR operation. If the IRQ/V
Section 8. External Interrupt Module (IRQ)
DD
supply.
PP
input requires an
(IRQ).)
PP
General Description
) drives the
PP
Technical Data
Section 2.
pin is not
IRQ/V
PP

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