MC68HC705J1ACDW Freescale Semiconductor, MC68HC705J1ACDW Datasheet - Page 30

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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General Description
1.5.2.3 RC Oscillator
1.5.2.4 External Clock
1.6 RESET
Technical Data
Refer to
MC68HSR705J1A.
An external clock from another complementary metal-oxide
semiconductor (CMOS)-compatible device can be connected to the
OSC1 input, with the OSC2 input not connected, as shown in
Figure
crystal/ceramic resonator or the RC oscillator is enabled.
Applying a logic 0 to the RESET pin forces the MCU to a known startup
state. An internal reset also pulls the RESET pin low. An internal resistor
to V
and V
removed from the MCU. The RESET pin contains an internal Schmitt
trigger to improve its noise immunity as an input. Refer to
Resets and Interrupts
Freescale Semiconductor, Inc.
DD
For More Information On This Product,
DD
pulls the RESET pin high. A steering diode between the RESET
1-8. This configuration is possible regardless of whether the
Appendix A. MC68HRC705J1A
pins discharges any RESET pin voltage when power is
Go to: www.freescale.com
Figure 1-8. External Clock Connections
General Description
for more information.
CMOS CLOCK
EXTERNAL
MCU
and
Appendix C.
MC68HC705J1A — Rev. 4.0
Section 4.

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