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参数资料
| 型号： | MC56F8002VWL |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 38/106页 |
| 文件大小： | 0K |
| 描述： | DSC 12K FLASH 32MHZ 28-SOIC |
| 标准包装： | 26 |
| 系列： | 56F8xxx |
| 核心处理器： | 56800E |
| 芯体尺寸： | 16-位 |
| 速度： | 32MHz |
| 连通性： | I²C，LIN，SCI，SPI |
| 外围设备： | LVD，POR，PWM，WDT |
| 输入/输出数： | 23 |
| 程序存储器容量： | 12KB（6K x 16） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 1K x 16 |
| 电压 - 电源 (Vcc/Vdd)： | 1.8 V ~ 3.6 V |
| 数据转换器： | A/D 15x12b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 105°C |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 包装： | 管件 |
| 产品目录页面： | 734 (CN2011-ZH PDF) |
| 配用： | APMOTOR56F8000E-ND - KIT DEMO MOTOR CTRL SYSTEM |
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General System Control Information
MC56F8006/MC56F8002 Digital Signal Controller, Rev. 4
Freescale Semiconductor
37
Figure 13. Connecting an External Clock Signal Using XTAL
6.4.4
Alternate External Clock Input
The recommended method of connecting an external clock is illustrated in Figure 14. The external clock source is connected
to GPIOB6/RXD/SDA/ANA13 and CMP0_P2/CLKIN while EXT_SEL bit in OSCTL register is set and corresponding bits in
GPIOB_PER register GPIO module and GPSB1 register in the system integration module (SIM) are set to the correct values.
The external clock input must be generated using a relatively low impedance driver with maximum frequency not greater than
64 MHz.
Figure 14. Connecting an External Clock Signal Using GPIO
6.5
Interrupt Controller
The 56F8006/56F8002 interrupt controller (INTC) module arbitrates the various interrupt requests (IRQs). The INTC signals
to the 56800E core when an interrupt of sufficient priority exists and what address to jump to to service this interrupt.
The interrupt controller contains registers that allow up to three interrupt sources to be set to priority level 1 and other up to
three interrupt sources to be set to priority level 2. By default, all peripheral interrupt sources are set to priority level 0. Next,
all of the interrupt requests of a given level are priority encoded to determine the lowest numeric value of the active interrupt
requests for that level. Within a given priority level, the lowest vector number is the highest priority and the highest vector
number is the lowest.
The highest vector number, a user assignable vector USER6 (vector 50), can be defined as a fast interrupt if the instruction
located in this vector location is not a JSR or BSR instruction. Please see section 9.3.3.3 of DSP56800E 16-Bit Core Reference
Manual for detail.
6.6
System Integration Module (SIM)
The SIM module is a system catchall for the glue logic that ties together the system-on-chip. It controls distribution of resets
and clocks and provides a number of control features including the pin muxing control; inter-module connection control (for
example connecting comparator output to PWM fault input); individual peripheral enable/disable; PWM, timer, and SCI clock
rate control; enabling peripheral operation in stop mode; port configuration overwrite protection. For further information, see
the MC56F8006 Peripheral Reference Manual.
The SIM is responsible for the following functions:
Chip reset sequencing
Core and peripheral clock control and distribution
Stop/wait mode control
System status control
EXTAL
XTAL
56F8006/56F8002
External Clock
(<50 MHz)
GND or GPIO
CLK_MOD = 1
56F8002/56F8006
GPIOB6/RXD/SDA/ANA13 and CMP0_P2/CLKIN
External Clock (
64 MHz)
EXT_SEL = 1;
GPIO_B_PER[6] = 0;
GPS_B6 = 11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC56F8002VWL | 制造商:Freescale Semiconductor 功能描述:IC DSC 16BIT 12KB 32MHZ 3.6V SOIC-28 |
| MC56F8006 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Digital Signal Controller |
| MC56F8006DEMO | 功能描述:开发板和工具包 - 其他处理器 MC56F8006 DEMO BOARD RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
| MC56F8006DEMO | 制造商:Freescale Semiconductor 功能描述:MC56F8006DEMO board w/o USB TAP |
| MC56F8006DEMO-T | 功能描述:开发板和工具包 - 其他处理器 MC56F8006 DEMO BOARD RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
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