参数资料
型号: SC9RS08KA1J3CDB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO6
封装: 3 X 3 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, DFN-6
文件页数: 85/134页
文件大小: 3114K
代理商: SC9RS08KA1J3CDB
Chapter 7 Keyboard Interrupt (RS08KBIV1)
SC9RS08KA2 Series Data Sheet, Rev. 1
54
Freescale Semiconductor
7.3.2
KBI Pin Enable Register (KBIPE)
KBIPE contains the pin enable control bits.
7.3.3
KBI Edge Select Register (KBIES)
KBIES contains the edge select control bits.
1
KBIE
Keyboard Interrupt Enable — KBIE enables keyboard interrupt requests.
0 Keyboard interrupt request not enabled.
1 Keyboard interrupt request enabled.
0
KBMOD
Keyboard Detection Mode — KBMOD (along with the KBEDG bits) controls the detection mode of the keyboard
interrupt pins.
0 Keyboard detects edges only.
1 Keyboard detects both edges and levels.
765
43
210
R0
0
KBIPE5
KBIPE4
0
KBIPE2
KBIPE1
KBIPE0
W
Reset:
00
000
0
Figure 7-4. KBI Pin Enable Register (KBIPE)
Table 7-4. KBIPE Register Field Descriptions
Field
Description
5,4, 2:0
KBIPEn
Keyboard Pin Enables — Each of the KBIPEn bits enables the corresponding keyboard interrupt pin.
0 Corresponding pin not enabled as keyboard interrupt.
1 Corresponding pin enabled as keyboard interrupt.
765
43
210
R0
0
KBEDG5
KBEDG4
0
KBEDG2
KBEDG1
KBEDG0
W
Reset:
00
000
0
Figure 7-5. KBI Edge Select Register (KBIES)
Table 7-5. KBIES Register Field Descriptions
Field
Description
5,4, 2:0
KBEDGn
Keyboard Edge Selects — Each of the KBEDGn bits selects the falling edge/low level or rising edge/high level
function of the corresponding pin.
0 Falling edge/low level.
1 Rising edge/high level.
Table 7-3. KBISC Register Field Descriptions (continued)
Field
Description
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