AT89C51RD2-RDTIM Atmel, AT89C51RD2-RDTIM Datasheet - Page 62
AT89C51RD2-RDTIM
Manufacturer Part Number
AT89C51RD2-RDTIM
Description
MCU 8-Bit AT89 80C51 CISC 64KB Flash 3.3V/5V 64-Pin VQFP Tray
Manufacturer
Atmel
Datasheet
1.AT89C51RD2-RDTIM.pdf
(137 pages)
- Current page: 62 of 137
- Download datasheet (2Mb)
62
AT89C51RD2/ED2
Table 15-3.
KBLS-Keyboard Level Selector Register (9Ch)
Reset Value = 0000 0000b
Bit Number
KBLS7
7
7
6
5
4
3
2
1
0
Mnemonic
KBLS Register
KBLS6
KBLS7
KBLS6
KBLS5
KBLS4
KBLS3
KBLS2
KBLS1
KBLS0
Bit
6
Description
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.
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.
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.
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.
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.
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.
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.
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.
KBLS5
5
KBLS4
4
KBLS3
3
KBLS2
2
KBLS1
1
4235J–8051–01/08
KBLS0
0
Related parts for AT89C51RD2-RDTIM
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
AT89C51RD2-IM8-bit Flash Microcontroller
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
Part Number:
Description:
IC 8051 MCU FLASH 64K 44VQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC 8051 MCU FLASH 64K 44PLCC
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC 8051 MCU FLASH 64K 44PLCC
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC MCU FLASH 8051 EEP 64K 44PLCC
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC MCU FLASH 8051 EEP 64K 44VQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC 8051 MCU FLASH 64K 44VQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC MCU FLASH 8051 EEP 64K 44PLCC
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC MCU FLASH 8051 EEP 64K 44VQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
8-bit Flash Microcontroller
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
8-bit Microcontrollers - MCU Microcontroller
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC MICRO CTRL 24MHZ 44TQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC MICRO CTRL 24MHZ 44PLCC
Manufacturer:
Atmel
Datasheet: