參數(shù)資料
型號(hào): 22505
英文描述: AMD Test Interface Port Board User's Manual? 2.62MB (PDF)
中文描述: AMD測(cè)試接口端口板用戶手冊(cè)? 2.62MB(PDF格式)
文件頁(yè)數(shù): 40/78頁(yè)
文件大?。?/td> 2691K
代理商: 22505
Test Interface Port Board User’s Manual
2-16
3. To set the LCD mode to increment the address by one and to shift the cursor
to the right at the time of writing, write 06h to the ASCII Display–Write Control
Instructions address.
The LCD is now ready to display the character for the respective 8-bit ASCII code.
For example, writing 41h, 4Dh, and 44h in sequence to the ASCII Display–Write
Data address should display “AMD” on the LCD screen.
Hexadecimal Display
The eight-segment hexadecimal display, illustrated in Figure 2-6, behaves much
like the ASCII-decoded display, but displays binary information in hexadecimal
format instead of ASCII-decoded data. This display contains eight hexadecimal
digits for displaying values up to 32 bits wide. For example, during debugging, the
value of a CPU or peripheral register can be written to the display for viewing
without software decoding. Software can only write to this display; it cannot read
back the value.
To display a hexadecimal value on the eight-segment display, write the bytes of
the value to the appropriate I/O addresses as shown in Table 2-7 and Table 2-8.
Figure 2-6. Eight-Segment Display
Top View
TIL311
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