參數(shù)資料
型號: MC68HC05P4A
廠商: Motorola, Inc.
英文描述: 28-pin MCU (microcontroller unit) based on the MC68HC05P4(28引腳、基于MC68HC05P4升級的8位微控制器單元)
中文描述: 28引腳單片機(微控制器)的基礎(chǔ)上MC68HC05P4(28引腳,基于MC68HC05P4升級的8位微控制器單元)
文件頁數(shù): 62/102頁
文件大小: 930K
代理商: MC68HC05P4A
Advance Information
MC68HC05P4A — Rev. 6.0
62
Timer
MOTOROLA
Timer
8.6 Timer Control Register
The timer control register (TCR) is a read/write register containing five
control bits. Three bits control interrupts associated with the timer status
register flags ICF, OCF, and TOF.
ICIE — Input Capture Interrupt Enable Bit
1 = Interrupt enabled
0 = Interrupt disabled
OCIE — Output Compare Interrupt Enable Bit
1 = Interrupt enabled
0 = Interrupt disabled
TOIE — Timer Overflow Interrupt Enable Bit
1 = Interrupt enabled
0 = Interrupt disabled
IEDG — Input Edge Bit
Value ofinput edge determineswhich leveltransitionon TCAPpin will
trigger free-running counter transfer to the input capture register.
Reset does not affect the IEDG bit.
1 = Positive edge
0 = Negative edge
OLVL — Output Level Bit
Value of output level is clocked into output level register by the next
successful output compare and will appear on the TCMP pin.
1 = High output
0 = Low output
Address:
$0012
Bit 7
6
5
4
3
2
1
Bit 0
Read:
ICIE
OCIE
TOIE
0
0
0
IEDG
OLVL
Write:
Reset:
0
0
0
0
0
0
0
0
= Unimplemented
Figure 8-2. Timer Control Register (TCR)
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