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MC68HC705SR3

Features: •Fully static chip design featuring the industry standard 8-bit M68HC05 core•Pin compatible with the MC6805R3•Power saving STOP, WAIT, and SLOW modes•3840 bytes of user ROM with security feature in MC68HC05SR3 3840 bytes of EPROM with security bit in MC68HC705SR3&...

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MC68HC705SR3: Features: •Fully static chip design featuring the industry standard 8-bit M68HC05 core•Pin compatible with the MC6805R3•Power saving STOP, WAIT, and SLOW modes•3840 bytes of ...

MC68HC705SR3 Data Sheet

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Part Number:
MC68HC705SR3
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



Features:

•Fully static chip design featuring the industry standard 8-bit M68HC05 core
•Pin compatible with the MC6805R3
•Power saving STOP, WAIT, and SLOW modes
•3840 bytes of user ROM with security feature in MC68HC05SR3
  3840 bytes of EPROM with security bit in MC68HC705SR3
•192 bytes of RAM (64 bytes for stack)
•32 bidirectional I/O lines
•Keyboard interrupts
•8-bit count-down timer with programmable 7-bit prescaler
•On-chip crystal oscillator, with built-in capacitor for RC option
•Second software programmable external interrupt line (IRQ2)
•Direct LED drive capability on all ports
•Programmable 20KΩ
 pull-up resistors integrated into I/O ports


Pinout

Connection Diagram


Specifications

RATINGS SYMBOL VALUE UNIT
Supply Voltage VDD 0.3 to +7.0 V
Input Voltage VIN VSS0.3 to VDD +0.3 V
VPPPIN VIN VSS0.3 to 2xVDD +0.3 V
Current Drain per pin excluding VDDand VSS
 ID 25 mA
Operating Temperature Standard Extended
 TA TLto TH
0 to +70
40 to +85		 °C
Storage Temperature Range TSTG 65 to +150 °C



Description

The MC68HC05SR3 HCMOS microcontroller is a member of the M68HC05 family of low-cost single-chip microcontrollers. This 8-bit microcontroller unit (MCU) MC68HC705SR3 contains on-chip oscillator,CPU, RAM, ROM, I/O, Timer, and Analog-to-Digital Converter. The MC68HC05SR3 is pin compatible with the MC6805R3 and is provided as a low power upgrade path for MC6805R3applications. The low power advantage of CMOS is combined with the addition of I/O and port modifications which help eliminate external components in cost sensitive applications.

The MC68HC705SR3 is an EPROM version of the MC68HC05SR3; it is available in windowed and OTP packages. All references to the MC68HC05SR3 apply equally to the MC68HC705SR3,unless otherwise stated. References specific to the MC68HC705SR3 are italicized in the text andalso, for quick reference, they are summarized in Appendix A.

 




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