參數(shù)資料
型號： MC68HC08QY2VDTE
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO16
封裝： 0.65 MM PITCH, LEAD FREE, TSSOP-16
文件頁數(shù)： 158/176頁
文件大?。?/td> 1124K
代理商： MC68HC08QY2VDTE
Keyboard Interrupt Module (KBI)
MC68HC08QY/QT Family Data Sheet, Rev. 2
82
Freescale Semiconductor
9.8.2 Keyboard Interrupt Enable Register (KBIER)
KBIER enables or disables each keyboard interrupt pin.
KBIE5–KBIE0 — Keyboard Interrupt Enable Bits
Each of these read/write bits enables the corresponding keyboard interrupt pin to latch KBI interrupt
requests.
1 = KBIx pin enabled as keyboard interrupt pin
0 = KBIx pin not enabled as keyboard interrupt pin
NOTE
AWUIE bit is not used in conjunction with the keyboard interrupt feature. To
see a description of this bit, see Chapter 4 Auto Wakeup Module (AWU)
9.8.3 Keyboard Interrupt Polarity Register (KBIPR)
KBIPR determines the polarity of the enabled keyboard interrupt pin and enables the appropriate pullup
or pulldown device.
KBIP5–KBIP0 — Keyboard Interrupt Polarity Bits
Each of these read/write bits enables the polarity of the keyboard interrupt detection.
1 = Keyboard polarity is high level and/or rising edge
0 = Keyboard polarity is low level and/or falling edge
Bit 7
654321
Bit 0
Read:
0
AWUIE
KBIE5
KBIE4
KBIE3
KBIE2
KBIE1
KBIE0
Write:
Reset:
00000000
= Unimplemented
Figure 9-4. Keyboard Interrupt Enable Register (KBIER)
Bit 7
654321
Bit 0
Read:
0
KBIP5
KBIP4
KBIP3
KBIP2
KBIP1
KBIP0
Write:
Reset:
00000000
= Unimplemented
Figure 9-5. Keyboard Interrupt Polarity Register (KBIPR)
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