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| 型号： | MC56F8011VFAE |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 数字信号处理 |
| 英文描述： | 0-BIT, 8 MHz, OTHER DSP, PQFP32 |
| 封装： | ROHS COMPLIANT, LQFP-32 |
| 文件页数： | 103/125页 |
| 文件大小： | 1702K |
| 代理商： | MC56F8011VFAE |
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Clock Generation Overview
56F8013/56F8011 Data Sheet, Rev. 11
Freescale Semiconductor
79
Figure 6-14 I/O Short Address Location Low Register (SIM_IOSALO)
6.3.10.3
Input/Output Short Address Location (ISAL[21:6])—Bits 15–0
This field represents the lower 16 address bits of the “hard coded” I/O short address.
6.4 Clock Generation Overview
The SIM uses master clocks, 2X system clock at a maximum of 64MHz, from the OCCS module to
produce the peripheral and system (core and memory) clocks at a maximum of 32MHz. It divides the
master clock by two and gates it with appropriate power mode and clock gating controls. The high speed
peripheral clock from OCCS operates at three times the system clock for PWM and Quad Timer module
at a maximum of 96MHz.
The OCCS configuration controls the operating frequency of the SIM’s master clocks. In the OCCS, either
an external clock or the relaxation oscillator can be selected as the master clock source (MSTR_OSC). The
relaxation oscillator can be operated at full speed (8MHz), standby speed (200kHz), or powered down. An
8MHz clock can be multiplied to 196MHz using the PLL and postscaled to provide a variety of high speed
clock rates. Either the postscaled PLL output or input clock of PLL signal can be selected to produce the
master clocks to the SIM. When the PLL is not selected, the high speed peripheral clock is disabled and
the 2X system clock is input clock from either internal relaxation oscillator or external clock source.
In combination with the OCCS module, the SIM provides power modes (see Section 6.5), clock enables
(SIM_PCE register, CLK_DIS, ONCE_EBL), and clock rate controls (TCR, PCR) to provide flexible
control of clocking and power utilization. The SIM’s clock enable controls can be used to disable
individual clocks when not needed. The clock rate controls enable the high speed clocking option for the
Timer channels and PWM but require the PLL to be on and selected. Refer to the 56F801X Peripheral
User Manual for further details.
6.5 Power-Down Modes
The 56F8013/56F8011 operates in one of five Power-Down modes, as shown in Table 6-3
Base + $E
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
ISAL[21:6]
Write
RESET
11111
1
Table 6-3 Clock Operation in Power-Down Modes
Mode
Core Clocks
Peripheral Clocks
Description
Run
Core and memory
clocks disabled
Peripheral clocks
enabled
Device is fully functional
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC56F8013 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers |
| MC56F8013E | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers |
| MC56F8013MFAE | 功能描述:数字信号处理器和控制器 - DSP, DSC 16Bit DSPHC ANGUILLA RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT |
| MC56F8013MFAER2 | 制造商:Freescale Semiconductor 功能描述:16 BIT DSPHC ANGUILLA - Tape and Reel |
| MC56F8013PB | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers |
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