參數(shù)資料
型號: MC68HC05J1AVDWR2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO20
封裝: SOIC-20
文件頁數(shù): 35/126頁
文件大小: 1118K
代理商: MC68HC05J1AVDWR2
Technical Data
MC68HC05J1A — Rev. 1.0
16
General Description
MOTOROLA
General Description
1.2 Introduction
The MC68HC05J1A is a member of the low-cost, high-performance
M68HC05 Family of 8-bit microcontroller units (MCU). The M68HC05
Family is based on the customer-specified 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.
On-chip memory of the MC68HC05J1A includes:
1240 bytes of user read-only memory (ROM)
64 bytes of user random-access memory (RAM)
Information on the MC68HCL05J1A, a low-power version of the
MC68HC05J1A, is introduced in Appendix A. MC68HCL05J1A.
Information on the MC68HSC05J1A, a high-speed version of the
MC68HC05J1A, is introduced in Appendix B. MC68HSC05J1A.
1.3 Features
Features of the MCU include:
Popular M68HC05 CPU
Memory-mapped input/output (I/O) registers
1240 bytes of user ROM including eight user vector locations
64 bytes of user RAM
14 bidirectional I/O pins with these features:
Software programmable pulldown devices
Four I/O pins with 8-mA current sinking capability
Four I/O pins with maskable external interrupt capability
Hardware mask and flag for external interrupts
Fully static operation with no minimum clock speed
On-chip oscillator with connections for a crystal or ceramic
resonator or for a resistor-capacitor (RC) network
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