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參數(shù)資料
型號(hào)： MC68HC11K4MFN3
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, 3 MHz, MICROCONTROLLER, PQCC84
封裝： PLASTIC, LCC-84
文件頁數(shù)： 78/80頁
文件大小： 420K
代理商： MC68HC11K4MFN3
MOTOROLA
78
M68HC11 K Series
MC68HC11TS/D
PWPER1–PWPER4
Determines period of associated PWM channel
PWDTY1–4
Determines duty cycle of associated PWM channel
12.1 PWM Boundary Cases
Certain values written to PWM control registers, counters, etc. can cause outputs that are not what the
user might expect. These are referred to as boundary cases. Boundary cases occur when the user
specifies a value that is either a maximum or a minimum. This value combined with other conditions
causes unexpected behavior of the PWM system.
The following conditions always cause the corresponding output to be high:
PWDTYx = $00, PWPERx > $00, and PPOLx = 0
PWDTYx
≥
PWPERx, and PPOLx = 1
PWPERx = $00 and PPOLx = 1
The following conditions always cause the corresponding output to be low:
PWDTYx = $00, PWPERx > $00, and PPOLx = 1
PWDTYx
≥
PWPERx, and PPOLx = 0
PWPERx = $00 and PPOLx = 0
PWPER1–PWPER4
—Pulse-Width Modulation Timer Period 1 to 4
$0068–$006B
$0068
Bit 7
6
5
4
3
2
1
Bit 0
PWPER1
$0069
Bit 7
6
5
4
3
2
1
Bit 0
PWPER2
$006A
Bit 7
6
5
4
3
2
1
Bit 0
PWPER3
$006B
Bit 7
6
5
4
3
2
1
Bit 0
PWPER4
RESET:
1
1
1
1
1
1
1
1
PWDTY1–4
—Pulse-Width Modulation Timer Duty Cycle 1 to 4
$006C–$006F
Bit 7
6
5
4
3
2
1
Bit 0
$006C
Bit 7
6
5
4
3
2
1
Bit 0
PWDTY1
$006D
Bit 7
6
5
4
3
2
1
Bit 0
PWDTY2
$006E
Bit 7
6
5
4
3
2
1
Bit 0
PWDTY3
$006F
Bit 7
6
5
4
3
2
1
Bit 0
PWDTY4
RESET:
1
1
1
1
1
1
1
1
相關(guān)PDF資料
PDF描述
MC68HC11K4MFN4 Technical Summary 8-Bit Microcontroller
MC68HC11K4VFN4 Technical Summary 8-Bit Microcontroller
MC68HC11KA4TS KPT 3C 3#16 PIN PLUG
MC68HC11KW1 High-density complementary metal oxide semiconductor HCMOS) microcontroller unit
MC68HC11L6CFN HCMOS MICROCONTROLLER UNIT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC11K4MFN4 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC11K4MFS2 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC11K4MFS3 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC11K4MFS4 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC11K4VFN2 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Technical Summary 8-Bit Microcontroller
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