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AT89C5122D-RDRUM датащи(PDF) 156 Page - ATMEL Corporation

номер детали AT89C5122D-RDRUM
подробное описание детали  C51 Microcontroller with USB and Smart Card Reader Interfaces
PDF  208 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C5122D-RDRUM датащи(HTML) 156 Page - ATMEL Corporation

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156
AT83R5122, AT8xC5122/23
4202F–SCR–07/2008
Reset Value = 0000 0000b
Table 96.
Keyboard Level Selector Register - KBLS (9Ch)
7654
3210
KBLS7
KBLS6
KBLS5
KBLS4
KBLS3
KBLS2
KBLS1
KBLS0
Bit
Number
Bit
Mnemonic Description
7KBLS7
Keyboard line 7 Level Selection bit
Cleared to enable a low level detection on Port line 7.
Set to enable a high level detection on Port line 7.
6KBLS6
Keyboard line 6 Level Selection bit
Cleared to enable a low level detection on Port line 6.
Set to enable a high level detection on Port line 6.
5KBLS5
Keyboard line 5 Level Selection bit
Cleared to enable a low level detection on Port line 5.
Set to enable a high level detection on Port line 5.
4KBLS4
Keyboard line 4 Level Selection bit
Cleared to enable a low level detection on Port line 4.
Set to enable a high level detection on Port line 4.
3KBLS3
Keyboard line 3 Level Selection bit
Cleared to enable a low level detection on Port line 3.
Set to enable a high level detection on Port line 3.
2KBLS2
Keyboard line 2 Level Selection bit
Cleared to enable a low level detection on Port line 2.
Set to enable a high level detection on Port line 2.
1KBLS1
Keyboard line 1 Level Selection bit
Cleared to enable a low level detection on Port line 1.
Set to enable a high level detection on Port line 1.
0KBLS0
Keyboard line 0 Level Selection bit
Cleared to enable a low level detection on Port line 0.
Set to enable a high level detection on Port line 0.



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