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參數(shù)資料
型號： MC68HC11K4VFU4
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： Technical Summary 8-Bit Microcontroller
中文描述： 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80
封裝： QFP-80
文件頁數(shù)： 70/80頁
文件大小： 420K
代理商： MC68HC11K4VFU4
MOTOROLA
70
M68HC11 K Series
MC68HC11KTS/D
PEDGE —Pulse Accumulator Edge Control
Refer to
11 Pulse Accumulator
.
Bit 3 —Not implemented
Always reads zero
I4/O5 —Input Capture 4/Output Compare 5
Configure TI4/O5 for input capture or output compare
0 = OC5 enabled
1 = IC4 enabled
RTR[1:0] —Real-Time Interrupt (RTI) Rate
Refer to
10.1 Real-Time Interrupt
.
10.1 Real-Time Interrupt
These rates are a function of the MCU oscillator frequency and the value of the software-accessible
control bits, RTR1 and RTR0. These bits determine the rate at which interrupts are requested by the
RTI system. The RTI system is driven by an E divided by 2
13
rate clock compensated so that it is inde-
pendent of the timer prescaler. The RTR1 and RTR0 control bits select an additional division factor. RTI
is set to its fastest rate by default out of reset and can be changed at any time.
Table 12 Real-Time Interrupt Rates (Period Length)
Period Length
Selected
2
13
÷
E
2
14
÷
Ε
2
15
÷
Ε
2
16
÷
Ε
Period Length
E = 3.0 MHz
2.731 ms
RTR[1:0]
0 0
E = 2.0 MHz
4.096 ms
E = 4.0 MHz
2.048 ms
0 1
8.192 ms
5.461 ms
4.096 ms
1 0
16.384 ms
10.923 ms
8.192 ms
1 1
32.768 ms
21.845 ms
16.383 ms
Table 13 Real-Time Interrupt Rates (Frequency)
Frequency
E = 3.0 MHz
366.211 Hz
RTR[1:0]
0 0
Rate Selected
E
÷
2
13
E
÷2
14
E
÷2
15
E
÷2
16
E = 2.0 MHz
244.141 Hz
E = 4.0 MHz
488.281 Hz
0 1
122.070 Hz
183.105 Hz
244.141 Hz
1 0
61.035 Hz
91.553 Hz
122.070 Hz
1 1
30.518 Hz
45.776 Hz
61.035 Hz
相關(guān)PDF資料
PDF描述
MC68HC11K4VFN2 Technical Summary 8-Bit Microcontroller
MC68HC11K1CFN2 8-BIT MICROCONTROLLER
MC68HC11K1MFN2 8-BIT MICROCONTROLLER
MC68HC11K1MFN3 Aluminum Electrolytic Radial Lead 5mm Length Capacitor; Capacitance: 33uF; Voltage: 50V; Case Size: 8x5 mm; Packaging: Bulk
MC68HC11K1MFN4 8-BIT MICROCONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC11KA0 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:CONFIG Register Programming for EEPROM-based M68HC11 Microcontrollers
MC68HC11KA0CFN2 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
MC68HC11KA0CFN3 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
MC68HC11KA0CFN4 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
MC68HC11KA0CFU2 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
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