參數(shù)資料
型號(hào): MC68HC05E1MDW
廠商: FREESCALE SEMICONDUCTOR INC
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁(yè)數(shù): 47/86頁(yè)
文件大?。?/td> 709K
代理商: MC68HC05E1MDW
Input/Output Ports
Input/Output Programmingf
MC68HC05E1 — Revision 2.0
General Release Specication
MOTOROLA
Input/Output Ports
51
Figure 4-1. Port I/O Circuitry
Table 4-1. I/O Pin Functions
R/W*
DDR
I/O Pin Function
00
The I/O pin is in input mode. Data is written into the output
data latch.
0
1
Data is written into the output data latch and output of the I/O pin.
1
0
The state of the I/O pin is read.
1
The I/O pin is in an output jmode. The output data latch is read.
*R/W is an internal signal.
Data Direction
Register Bit
Latched Output
Data Bit
I/O
Pin
Input
Register
Bit
Input
I/O
Output
Internal
HC05
Connections
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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