参数资料
型号: MC68HC705J2CP
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP20
封装: PLASTIC, DIP-20
文件页数: 5/82页
文件大小: 2545K
代理商: MC68HC705J2CP
INTRODUCTION
Rev. 2
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SECTION 1
INTRODUCTION
The MC68HC705J2 is a member of the low-cost, high-performance M68HC05
Family of 8-bit microcontroller units (MCUs).
The high-density, complementary
metal-oxide
semiconductor
(HCMOS)
M68HC05
Family
is
based
on
the
customer-specied integrated circuit (CSIC) design strategy. All MCUs in the family
use the popular M68HC05 central processor unit (CPU) and are available with a
variety of subsystems, memory sizes and types, and package types.
The MC68HC705J2 is an expansion of the MC68HC05J1 design. On-chip memory
is enhanced with 2 Kbytes of erasable, programmable ROM (EPROM), 112 Kbytes
of RAM, and a bootloader ROM.
1.1 Features
The MCU features include the following:
Popular M68HC05 CPU
Memory-Mapped Input/Output (I/O) Registers
2064 Bytes of User EPROM Including 16 User Vector Locations
112 Bytes of Static RAM (SRAM)
14 Bidirectional I/O Pins
Fully Static Operation With No Minimum Clock Speed
On-Chip Oscillator With Crystal/Ceramic Resonator Connections
15-Bit Multifunction Timer
Real-Time Interrupt Circuit
Bootloader ROM
Power-Saving STOP, WAIT, and Data Retention Modes
MC68HC05J1 Emulation Mode
Selectable Edge-Sensitive or Edge- and Level-Sensitive External Interrupt
Trigger
Selectable Computer Operating Properly (COP) Timer
8 x 8 Unsigned Multiply Instruction
One Time Programmable 20-Pin Dual-in-Line Package (DIP)
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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