參數(shù)資料
型號(hào): MC68HC11K1VFU3
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: MNX Series Enclosure; NEMA Type:1, 2, 4, 4X, 6, 12, 13; Enclosure Material:Polycarbonate; External Height:10"; External Width:7.1"; External Depth:2.5"; Enclosure Color:Light Gray; Approval Bodies:UL, CSA; Cover Color:Light Gray RoHS Compliant: Yes
中文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數(shù): 78/80頁
文件大?。?/td> 420K
代理商: MC68HC11K1VFU3
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
MC68HC11K4VFU3 Technical Summary 8-Bit Microcontroller
MC68HC11K1VFU4 8-BIT MICROCONTROLLER
MC68HC11K4VFU4 Technical Summary 8-Bit Microcontroller
MC68HC11K4VFN2 Technical Summary 8-Bit Microcontroller
MC68HC11K1CFN2 8-BIT MICROCONTROLLER
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