參數資料
型號: MC68331CPV16B1
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 16 MHz, MICROCONTROLLER, PQFP144
封裝: 20 X 20 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-144
文件頁數: 79/90頁
文件大?。?/td> 481K
代理商: MC68331CPV16B1
MOTOROLA
MC68331
80
MC68331TS/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 for a 16.78-MHz system clock
and a 20.97-MHz system clock.
F1A — Force Logic Level One on PWMA
0 = Force logic level zero output on PWMA pin
1 = Force logic level one output on PWMA pin
PPR[2:0]
System Clock
Divide-By Factor
000
2
001
4
010
8
011
16
100
32
101
64
110
128
111
PCLK
PPR[2:0]
Prescaler Tap
SFA/B = 0
SFA/B = 1
16.78 MHz
20.97 MHz
16.78 MHz
20.97 MHz
16.78 MHz
20.97 MHz
000
Div 2 = 8.39 MHz
Div 2 = 10.5 MHz
32.8 kHz
41 kHz
256 Hz
320 Hz
001
Div 4 = 4.19 MHz
Div 4 = 5.25 MHz
16.4 kHz
20.5 kHz
128 Hz
160 Hz
010
Div 8 = 2.10 MHz
Div 8 = 2.62 MHz
8.19 kHz
10.2 kHz
64.0 Hz
80.0 Hz
011
Div 16 = 1.05 MHz
Div 16 = 1.31 MHz
4.09 kHz
5.15 kHz
32.0 Hz
40.0 Hz
100
Div 32 = 524 kHz
Div 32 = 655 kHz
2.05 kHz
2.56 kHz
16.0 Hz
20.0 Hz
101
Div 64 = 262 kHz
Div 64 = 328 kHz
1.02 kHz
1.28 kHz
8.0 Hz
10.0 Hz
110
Div 128 = 131 kHz
Div 128 = 164 kHz
512 Hz
641 Hz
4.0 Hz
5.0 Hz
111
PCLK
PCLK/256
PCLK/32768
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相關代理商/技術參數
參數描述
MC68331CPV20 制造商:Rochester Electronics LLC 功能描述:32BIT MCU,GPT,SIM,QSM - Bulk
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MC68331LPV20 制造商:Motorola Inc 功能描述:
MC68331MEH16 功能描述:32位微控制器 - MCU 32B MCU GPT SIM QSM RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數據總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數據 RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風格:SMD/SMT