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参数资料
| 型号： | MC56F8257VLH |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 35/88页 |
| 文件大小： | 0K |
| 描述： | DSC 64K FLASH 60MHZ 64-LQFP |
| 标准包装： | 160 |
| 系列： | 56F8xxx |
| 核心处理器： | 56800E |
| 芯体尺寸： | 16-位 |
| 速度： | 60MHz |
| 连通性： | CAN，I²C，LIN，SCI，SPI |
| 外围设备： | LVD，POR，PWM，WDT |
| 输入/输出数： | 54 |
| 程序存储器容量： | 64KB（32K x 16） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 4K x 16 |
| 电压 - 电源 (Vcc/Vdd)： | 3 V ~ 3.6 V |
| 数据转换器： | A/D 16x12b，D/A 1x12b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 105°C |
| 封装/外壳： | 64-LQFP |
| 包装： | 管件 |
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MC56F825x/MC56F824x Digital Signal Controller, Rev. 3
General System Control Information
Freescale Semiconductor
40
Peripheral clocks for Quad Timers and SCIs with a high-speed (2x) option
Power-saving clock gating for peripherals
Controls for enabling/disabling functions of large regulator standby mode with write protection capability
Allowing selected peripherals to run in stop mode to generate stop recovery interrupts
Controls for programmable peripheral and GPIO connections
Software chip reset
I/O short address base location control
Peripheral protection control to provide runaway code protection for safety-critical applications
Controls for output of internal clock sources to CLKO pin
Four general-purpose software control registers that are reset only at power-on
Peripheral stop mode clocking control
5.7
Inter-Module Connections
The operations between on-chip peripherals can be synchronized or cascaded through internal module connections to support
particular applications. Examples include synchronization between ADC sampling and PWM waveform generation for a power
conversion application, and synchronization between timer pulse outputs and DAC waveform generation for a printer
application. The user can program the internal Crossbar Switch or Comparator input multiplexes to connect one on-chip
peripheral’s outputs to other peripherals’ inputs.
5.7.1
Comparator Connections
The MC56F825x/MC56F824x includes three high-speed comparators. Each comparator input has a 4-to-1 input mux, allowing
it to sample a variety of analog sources. Some of these inputs share package pins with the on-chip ADCs; see Table 5
Each comparator is paired with a dedicated, programmable, 5-bit on-chip voltage reference DAC (VREF_DAC). Optionally,
an on-chip 12-bit DAC can be internally fed to each comparator’s positive input 1 (CMPn_P1) or negative input 3 (CMPn_M3).
In addition, all three comparators’ positive input 3 (CMPn_P3) can be connected together to package pin CMP_REF. Other
inputs can be routed to package pins when the corresponding pin is configured for peripheral mode in the GPIO module.
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相关代理商/技术参数 |
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| MC56F825X | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Digital Signal Controller Battery chargers and management |
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