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MFG:MOT
Part Number: MC68HC705SR3
MFG: MOT
Description: The MC68HC05SR3 HCMOS microcontroller is a member of the M68HC05 family of low-cost single-chip microc...
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MC68HC705SR3
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DataSheet
General Description
MC68HC705SR3 General Description
The MC68HC05SR3 HCMOS microcontroller is a member of the M68HC05 family of low-cost single-chip microcontrollers. This 8-bit microcontroller unit (MCU) 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.
MC68HC705SR3 Maximum Ratings
| 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 |
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
•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
•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
MC68HC705SR3 Connection Diagram
MC68HC705SR3
PDF/DataSheet Download
- Datasheet: MC68HC705SR3
- File Size: 935498 KB
- Manufacturer: FREESCALE [Freescale Semiconductor, Inc]
- Click here to Download
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The MC68HC705RC16 is a low-cost addition to the M68HC05 Family of microcontrollers (MCUs) and is suitable for remote control applications. It contains the HC05 CPU core, including the 14-stage core timer with RTI and COP watchdog systems. It is available in ...
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The MC68HC705P9 is a kind of HCMOS microcontroller unit. There are some features of MC68HC705P9 as follows: (1)four peripheral modules: 16-Bit input capture/output compare timer, synchronous serial I/O port (SIOP), 4-channel, 8-bit analog-to-digital convert...
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MC68HC705P6A
The following paragraphs describe the functionality of each pin on the MC68HC705P6A package. Pins connected to subsystems described in other chapters provide a reference to the chapter instead of a detailed functional description.
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