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参数资料
| 型号： | MC68HC05RC18DW |
| 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, PDSO28 |
| 封装： | SOIC-28 |
| 文件页数： | 45/124页 |
| 文件大小： | 457K |
| 代理商： | MC68HC05RC18DW |
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General Description
Signal Description
MC68HC05RC18 — Rev. 2.0
General Release Specification
MOTOROLA
General Description
27
NON-DISCLOSURE
AGREEMENT
REQUIRED
1.5.7 PA0–PA7
These eight I/O lines comprise port A. The state of any pin is software
programmable and all port A lines are configured as inputs during
power-on or reset. For detailed information on I/O programming, see 6.6
1.5.8 PB0–PB7
These eight I/O lines comprise port B. The state of any pin is software
programmable and all port B lines are configured as inputs during
power-on or reset. Each port B I/O line has a mask optionable
interrupt/pullup for keyscan. For detailed information on I/O
programming, see 6.6 Input/Output Programming.
1.5.9 PC0–PC3 (PC4–PC7)
These eight I/O lines comprise port C. PC0–PC3 are high-current pins.
PC4–PC7 are standard drive pins and are available only in higher pin
count (>28) packages. The state of any pin is software programmable
and all port C lines are configured as input during power-on or reset. For
detailed information on I/O programming, see 6.6 Input/Output
NOTE:
Only four bits of port C are bonded out in 28-pin packages for the
MC68HC05RC18, although port C is truly an 8-bit port. Since pins
PC4–PC7 are unbonded, software should include the code to set their
respective data direction register locations to outputs to avoid floating
inputs.
NOTE:
Any unused inputs and I/O ports should be tied to an appropriate logic
level (either VDD or VSS). Although the I/O ports of the MC68HC05RC18
do not require termination, termination is recommended to reduce the
possibility of static damage.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC68HC05RC8 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:General Release Specification |
| MC68HC05RC8DW | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:General Release Specification |
| MC68HC05RC8FN | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:General Release Specification |
| MC68HC05RC8P | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:General Release Specification |
| MC68HC05SC24 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:Secure 8-bit microcomputer with EEPROM |
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