參數(shù)資料
型號: MC68HC05C9A
廠商: Motorola, Inc.
元件分類: 8位微控制器
英文描述: 8-Bit Microcontroller(8位微控制器)
中文描述: 8位微控制器(8位微控制器)
文件頁數(shù): 60/160頁
文件大小: 783K
代理商: MC68HC05C9A
L
G
R
Capture/Compare Timer
General Release Specification
MC68HC05C9A
Rev. 4.0
60
Capture/Compare Timer
MOTOROLA
8.4 Timer I/O Registers
The following I/O registers control and monitor timer operation:
Timer control register (TCR)
Timer status register (TSR)
Timer registers (TRH and TRL)
Alternate timer registers (ATRH and ATRL)
Input capture registers (ICRH and ICRL)
Output compare registers (OCRH and OCRL)
8.4.1 Timer Control Register (TCR)
The timer control register, shown in
Figure 8-2
, performs these
functions:
Enables input capture interrupts
Enables output compare interrupts
Enables timer overflow interrupts
Controls the active edge polarity of the TCAP signal
Controls the active level of the TCMP output
Figure 8-2. Timer Control Register (TCR)
ICIE — Input Capture Interrupt Enable
This read/write bit enables interrupts caused by an active signal on
the TCAP pin. Resets clear the ICIE bit.
1 = Input capture interrupts enabled
0 = Input capture interrupts disabled
$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
U
0
= Unimplemented
U = Undetermined
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