参数资料
型号: MC68HC05C8ACB
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP42
封装: SHRINK, PLASTIC, DIP-42
文件页数: 101/156页
文件大小: 755K
代理商: MC68HC05C8ACB
MC68HC05C8A Rev. 3.0
General Release Specification
MOTOROLA
Input/Output (I/O) Ports
49
NON-DISCLOSURE
AGREEMENT
REQUIRED
General Release Specification — MC68HC05C8A
Section 7. Input/Output (I/O) Ports
7.1 Contents
7.2 Introduction
The MC68HC05C8A has three 8-bit input/output (I/O) ports.These 24
port pins are programmable as either inputs or outputs under software
control of the data direction registers. Port D does not have a data
direction register, and its seven pins are input only with the exception of
certain SCI/SPI functions.
NOTE:
To avoid a glitch on the output pins, write data to the I/O port data
register before writing a one to the corresponding data direction register.
7.3 Port A
Port A is an 8-bit bidirectional port which does not share any of its pins
with other subsystems. The port A data register is at $0000 and the data
direction register (DDR) is at $0004. Reset does not affect the data
registers, but clears the data direction registers, thereby returning the
ports to inputs. Writing a 1 to a DDR bit sets the corresponding port bit
to output mode.
相关PDF资料
PDF描述
MC68HC16Z3MFC20 16-BIT, MROM, MICROCONTROLLER, PQFP132
MC68HC705C4FN 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PQCC44
MC68HC05D9FN 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC44
M37705M2A001SP 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PDIP64
M37700SFP 16-BIT, 8 MHz, MICROCONTROLLER, PQFP80
相关代理商/技术参数
参数描述
MC68HC05C8ACFN 制造商:Motorola Inc 功能描述:MicroController, 8-Bit, 44 Pin, Plastic, PLCC
MC68HC05C9 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:TECHNICAL DATA
MC68HC05C9A 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC68HC05C9AB 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC68HC05C9AFB 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Microcontrollers