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MC68HC705SR3CP

Name: MC68HC705SR3CP
Rating: 4.7 (12 reviews)

IC MCU 8BIT 3.75KB OTP 40DIP

製造商
製造商。部分 #MC68HC705SR3CP
包 40-DIP
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規格

Package	Tube
Series	HC05
ProductStatus	Obsolete
CoreProcessor	HC05
CoreSize	8-Bit
Speed	4MHz
Peripherals	LED, POR
NumberofI/O	32
ProgramMemorySize	3.75KB (3.75K x 8)
ProgramMemoryType	OTP
RAMSize	192 x 8
Voltage-Supply(Vcc/Vdd)	3V ~ 5.5V
DataConverters	A/D 4x8b
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Through Hole
Package/Case	40-DIP (0.600, 15.24mm)

概述

Description

MC68HC705SR3CP is an 8-bit microcontroller from Motorola (now Freescale/NXP) in the 68HC05 family. It combines a simple CPU core with on‑chip memory and peripherals for low‑cost embedded control.
Key points:
- Core: 8‑bit CPU with a straightforward instruction set and interrupt system.
- Memory: on‑chip RAM and ROM; exact sizes vary by the SR3 variant (check the datasheet).
- Peripherals: general I/O, timers, a serial interface (SCI), watchdog timer, and basic clock options (often with an on‑chip oscillator).
- Package/variant: SR3CP denotes this specific ROM/RAM configuration and package type for this part.
- Use: suitable for small automotive or consumer‑electronics controllers and other cost‑sensitive applications.
- Note: it’s a legacy device; for new designs, consider newer 8‑bit or 32‑bit MCUs. Refer to the datasheet for exact pinout, timing, and electrical specs.

Package

Ceramic package. The CP suffix denotes Ceramic Package for the MC68HC705SR3CP.

Pinout

- Pin count: 20 pins (20-pin package)
- Function: An 8-bit microcontroller in the MC68HC705 family with on-chip RAM/ROM, I/O ports, and timer for embedded control tasks.

Manufacturer

Manufacturer: Freescale Semiconductor (originally Motorola’s semiconductor division; now part of NXP Semiconductors).
What kind of company: A global semiconductor company that designs and manufactures embedded processors, microcontrollers, and analog/digital ICs for automotive, consumer, and industrial markets.

Application

MC68HC705SR3CP is a low-pin, cost-sensitive 8‑bit microcontroller for embedded control. Typical applications include automotive body electronics (doors, HVAC control, power windows), consumer appliances and white goods (washing machines, microwaves, coffee makers), remote controls and other consumer electronics, small motor control with sensor interfacing, building automation/security systems, and general industrial control panels requiring low power and small footprint.