參數(shù)資料
型號: HC805P18GRS
英文描述: 68HC805P18 Technical Data
中文描述: 68HC805P18技術(shù)數(shù)據(jù)
文件頁數(shù): 50/111頁
文件大?。?/td> 748K
代理商: HC805P18GRS
GENERAL RELEASE SPECIFICATION
MOTOROLA
7-6
INPUT/OUTPUT PORTS
MC68HC805P18
Rev. 1.0
8
2
3
4
5
6
7
8
9
10
11
12
13
14
A
16
17
18
19
20
NOTE
To avoid generating a glitch on an I/O port pin, data should be written
to the I/O port data register before writing a logical one to the
corresponding data direction register.
Table 7-4. Port D I/O Functions
DDRA
I/O Pin Mode
Access to DDRA
@ $0007
Accesses to Data
Register @ $0003
Read/Write
Read
Write
0
Input, High Impedance
DDRD5
I/O Pin
*
1
Output
DDRD5
PD5/CKOUT
PD5/CKOUT
*Does not affect input, but stored to data register
**PD7 is input-only
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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