參數(shù)資料
型號: MC68HC16Y1
廠商: Motorola, Inc.
英文描述: 16-Bit Modular Microcontroller(16位模塊化微控制器)
中文描述: 16位微控制器模塊(16位模塊化微控制器)
文件頁數(shù): 90/122頁
文件大小: 749K
代理商: MC68HC16Y1
MOTOROLA
90
MC68HC16Y1
MC68HC16Y1TS/D
FOC[5:1] — Force Output Compare
0 = Has no meaning
1 = Causes pin action programmed for corresponding OC pin, but the OC Flag is not set.
FOC[5:1] correspond to OC[5:1].
FPWMA — Force PWMA Value
0 = Normal PWMA operation
1 = The value of F1A is driven out on the PWMA pin, regardless of the state of PPROUT.
FPWMB — Force PWMB Value
0 = Normal PWMB operation
1 = The value of F1B is driven out on the PWMB pin.
PPROUT — PWM Clock Output Enable
0 = Normal PWM operation on PWMA
1 = TCNT clock driven out PWMA pin
PPR[2:0] — PWM Prescaler/PCLK Select
This field selects one of seven prescaler taps or PCLK to be PWMCNT input.
SFA — PWMA Slow/Fast Select
0 = PWMA period is 256 PWMCNT increments long.
1 = PWMA period is 32768 PWMCNT increments long.
SFB — PWMB Slow/Fast Select
0 = PWMB period is 256 PWMCNT increments long.
1 = PWMB period is 32768 PWMCNT increments long.
The following table shows the effects of SF settings on PWM frequency (16.78-MHz system clock).
F1A — Force Logic Level on PWMA
0 = Force logic level zero output on PWMA pin.
1 = Force logic level one output on PWMA pin.
F1B — Force Logic Level on PWMB
0 = Force logic level zero output on PWMB pin.
1 = Force logic level one output on PWMB pin.
PPR[2:0]
System Clock
Divide-by Factor
2
4
8
16
32
64
128
PCLK
000
001
010
011
100
101
110
111
PPR[2:0]
000
001
010
011
100
101
110
111
Prescaler Tap
Div 2 = 8.39 MHz
Div 4 = 4.19 MHz
Div 8 = 2.10 MHz
Div 16 = 1.05 MHz
Div 32 = 524 kHz
Div 64 = 262 kHz
Div 128 = 131 kHz
PCLK
SFA/B = 0
32.8 kHz
16.4 kHz
8.19 kHz
4.09 kHz
2.05 kHz
1.02 kHz
512 Hz
PCLK/256
SFA/B = 1
256 Hz
128 Hz
64.0 Hz
32.0 Hz
16.0 Hz
8.0 Hz
4.0 Hz
PCLK/32768
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