ATWEBDVK-02WC Atmel, ATWEBDVK-02WC Datasheet - Page 60
![KIT DEV TCP/IP AT89C51RD2 WEBCAM](/photos/9/4/90461/atwebdvk-02wc_sml.jpg)
ATWEBDVK-02WC
Manufacturer Part Number
ATWEBDVK-02WC
Description
KIT DEV TCP/IP AT89C51RD2 WEBCAM
Manufacturer
Atmel
Series
@Webr
Datasheet
1.ATWEBDVK-02RC.pdf
(137 pages)
Specifications of ATWEBDVK-02WC
Main Purpose
*
Embedded
*
Utilized Ic / Part
AT89C51RD2
Primary Attributes
*
Secondary Attributes
*
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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15.1
60
Registers
AT89C51RD2/ED2
Table 15-1.
KBF-Keyboard Flag Register (9Eh)
Reset Value = 0000 0000b
This register is read only access, all flags are automatically cleared by reading the register.
Bit Number
KBF7
7
7
6
5
4
3
2
1
0
Mnemonic
KBF Register
KBF6
KBF7
KBF6
KBF5
KBF4
KBF3
KBF2
KBF1
KBF0
Bit
6
Description
Keyboard line 7 flag
Set by hardware when the Port line 7 detects a programmed level. It generates a
Keyboard interrupt request if the KBKBIE.7 bit in KBIE register is set.
Must be cleared by software.
Keyboard line 6 flag
Set by hardware when the Port line 6 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.6 bit in KBIE register is set.
Must be cleared by software.
Keyboard line 5 flag
Set by hardware when the Port line 5 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.5 bit in KBIE register is set.
Must be cleared by software.
Keyboard line 4 flag
Set by hardware when the Port line 4 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.4 bit in KBIE register is set.
Must be cleared by software.
Keyboard line 3 flag
Set by hardware when the Port line 3 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.3 bit in KBIE register is set.
Must be cleared by software.
Keyboard line 2 flag
Set by hardware when the Port line 2 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.2 bit in KBIE register is set.
Must be cleared by software.
Keyboard line 1 flag
Set by hardware when the Port line 1 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.1 bit in KBIE register is set.
Must be cleared by software.
Keyboard line 0 flag
Set by hardware when the Port line 0 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.0 bit in KBIE register is set.
Must be cleared by software.
KBF5
5
KBF4
4
KBF3
3
KBF2
2
KBF1
1
4235K–8051–05/08
KBF0
0
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