参数资料
型号: MC705JP7CPE
厂商: Freescale Semiconductor
文件页数: 16/164页
文件大小: 0K
描述: IC MCU 8BIT 224 BYTES RAM 28PDIP
标准包装: 13
系列: HC05
核心处理器: HC05
芯体尺寸: 8-位
速度: 2.1MHz
连通性: SIO
外围设备: POR,温度传感器,WDT
输入/输出数: 22
程序存储器容量: 6KB(6K x 8)
程序存储器类型: OTP
RAM 容量: 224 x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
数据转换器: A/D 4x12b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 28-DIP(0.600",15.24mm)
包装: 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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