参数资料
型号: DEMO56F8014-EE
厂商: Freescale Semiconductor
文件页数: 95/124页
文件大小: 0K
描述: BOARD DEMO FOR 56F8014
标准包装: 1
类型: MCU
适用于相关产品: 56F8014
所含物品: 板,线缆,CD,电源
配用: APMOTOR56F8000E-ND - KIT DEMO MOTOR CTRL SYSTEM
相关产品: MC56F8014VFAE-ND - IC DIGITAL SIGNAL CTRLR 32-LQFP
56F8014 Technical Data, Rev. 11
72
Freescale Semiconductor
Note: This bit should only be changed while the Quad Timer module’s clock is disabled. See Section
Note: High-speed clocking is only available when the PLL is being used.
Note: If the PWM sync signal is used as input to Timer 3 (See SIM_CTRL: TC3_INP, Section 6.3.1.7),
then the clocks of the Quad Timer and PWM must be related, as shown in Table 6-2.
6.3.8.2
PWM Clock Rate (PCR)—Bit 14
This bit selects the clock speed for the PWM module.
0 = PWM module clock rate equals system clock rate, to a maximum 32 MHz (default)
1 = PWM module clock rate equals three times system clock rate, to a maximum 96 MHz
Note: This bit should only be changed while the PWM module’s clock is disabled. See Section 6.3.9.
Note: High-speed clocking is only available when the PLL is being used.
Note: If the PWM sync signal is used as input to Timer 3 (See SIM_CTRL: TC3_INP, Section 6.3.1.7),
then the clocks of the Quad Timer and PWM must be related, as shown in Table 6-2.
6.3.8.3
Reserved—Bits 13–12
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
6.3.8.4
Configure GPIOB7 (CFG_B7)—Bit 11
This bit selects the alternate function for GPIOB7.
0 = TXD — SCI Transmit Data (default)
1 = SCL — I2C Serial Clock
6.3.8.5
Configure GPIOB6 (CFG_B6)—Bit 10
This bit selects the alternate function for GPIOB6.
0 = RXD — SCI Receive Data (default)
1 = SDA — I2C Serial Data
Note: The PRECS bit in the OCCS Oscillator Control register can enable this pin as the
Table 6-2 Allowable Quad Timer and PWM Clock Rates
when Using PWM Reload Pulse
Quad Timer
Clock Speed
1X
3X
PWM
1X
OK
3X
NO
OK
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