参数资料
型号: MC56F8014MFAE
厂商: Freescale Semiconductor
文件页数: 93/124页
文件大小: 0K
描述: IC DIGITAL SIGNAL CTLR 32-LQFP
标准包装: 1,250
系列: 56F8xxx
核心处理器: 56800E
芯体尺寸: 16-位
速度: 32MHz
连通性: I²C,SCI,SPI
外围设备: POR,PWM,WDT
输入/输出数: 26
程序存储器容量: 16KB(8K x 16)
程序存储器类型: 闪存
RAM 容量: 2K x 16
电压 - 电源 (Vcc/Vdd): 3 V ~ 3.6 V
数据转换器: A/D 8x12b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 32-LQFP
包装: 托盘
56F8014 Technical Data, Rev. 11
70
Freescale Semiconductor
The lower four bits of the GPIO A register can function as GPIO, PWM, or as additional clock output
signals. GPIO has priority and is enabled/disabled via the GPIOA_PEREN. If GPIOA[3:0] are
programmed to operate as peripheral outputs, then the choice between PWM and additional clock outputs
is done here in the CLKOUT. The default state is for the peripheral function of GPIOA[3:0] to be
programmed as PWM. This can be changed by altering PWM3 through PWM0.
Figure 6-8 CLKO Select Register (SIM_CLKOUT)
6.3.7.1
Reserved—Bits 15–10
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
6.3.7.2
PWM3—Bit 9
0 = Peripheral output function of GPIOA[3] is defined to be PWM3
1 = Peripheral output function of GPIOA[3] is defined to be the Relaxation Oscillator Clock
6.3.7.3
PWM2—Bit 8
0 = Peripheral output function of GPIOA[2] is defined to be PWM2
1 = Peripheral output function of GPIOA[2] is defined to be the system clock
6.3.7.4
PWM1—Bit 7
0 = Peripheral output function of GPIOA[1] is defined to be PWM1
1 = Peripheral output function of GPIOA[1] is defined to be two times the rate of the system clock
6.3.7.5
PWM0—Bit 6
0 = Peripheral output function of GPIOA[0] is defined to be PWM0
1 = Peripheral output function of GPIOA[0] is defined to be three times the rate of the system clock
6.3.7.6
Clockout Disable (CLKDIS)—Bit 5
0 = CLKOUT output is enabled and will output the signal indicated by CLKOSEL
1 = CLKOUT is 0
6.3.7.7
Clockout Select (CLKOSEL)—Bits 4–0
Selects clock to be muxed out on the CLKO pin.
00000 = Reserved for factory test—Continuous system clock
01001 = Reserved for factory test—OCCS MSTR OSC clock
01011 = Reserved for factory test—ADC clock
01100 = Reserved for factory test—JTAG TCLK
Base + $A
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
PWM
3
PWM
2
PWM1PWM0
CLK
DIS
CLKOSEL
Write
RESET
0
000
0
1
0
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