參數(shù)資料
型號: MC68HC705JJ7CDW
廠商: Freescale Semiconductor
文件頁數(shù): 16/164頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 20-SOIC
標準包裝: 38
系列: HC05
核心處理器: HC05
芯體尺寸: 8-位
速度: 2.1MHz
連通性: SIO
外圍設備: POR,溫度傳感器,WDT
輸入/輸出數(shù): 14
程序存儲器容量: 6KB(6K x 8)
程序存儲器類型: OTP
RAM 容量: 224 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
包裝: 管件
Programmable Timer
MC68HC705JJ7 MC68HC705JP7 Advance Information Data Sheet, Rev. 4.1
112
Freescale Semiconductor
11.6 Timer Control Register
The timer control register (TCR) shown in Figure 11-10, performs the following 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
Reset clears all the bits in the TCR with the exception of the IEDG bit which is unaffected.
ICIE — Input Capture Interrupt Enable Bit
This read/write bit enables interrupts caused by an active signal on the TCAP pin or from CPF2 flag
bit of the analog subsystem voltage comparator 2. Reset clears the ICIE bit.
1 = Input capture interrupts enabled
0 = Input capture interrupts disabled
OCIE — Output Compare Interrupt Enable Bit
This read/write bit enables interrupts caused by an active match of the output compare function. Reset
clears the OCIE bit.
1 = Output compare interrupts enabled
0 = Output compare interrupts disabled
TOIE — Timer Overflow Interrupt Enable
This read/write bit enables interrupts caused by a timer overflow. Reset clears the TOIE bit.
1 = Timer overflow interrupts enabled
0 = Timer overflow interrupts disabled
Table 11-1. Output Compare Initialization Example
9B
...
B7
B6
BF
...
9A
16
13
17
SEI
...
STA
LDA
STX
...
CLI
OCRH
TSR
OCRL
DISABLE INTERRUPTS
.....
INHIBIT OUTPUT COMPARE
ARM OCF FLAG FOR CLEARING
READY FOR NEXT COMPARE, OCF CLEARED
.....
ENABLE INTERRUPTS
Address:
$0012
Bit 7
654321
Bit 0
Read:
ICIE
OCIE
TOIE
000
IEDG
OLVL
Write:
Reset:
000000
U
0
= Unimplemented
U = Unaffected
Figure 11-10. Timer Control Register (TCR)
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