參數(shù)資料
型號： MC56F8355VFG60
廠商： MOTOROLA INC
元件分類： 數(shù)字信號處理
英文描述： 4-BIT, 120 MHz, OTHER DSP, PQFP128
封裝： LQFP-128
文件頁數(shù)： 75/152頁
文件大?。?/td> 2224K
代理商： MC56F8355VFG60
Introduction
56F8355 Technical Data
29
Preliminary
Part 3 On-Chip Clock Synthesis (OCCS)
3.1 Introduction
Refer to the OCCS chapter of the 56F8300 Peripheral User Manual for a full description of the
OCCS. The material contained here identifies the specific features of the OCCS design that apply
to the 56F8355 part. Figure 3-1 shows the specific OCCS block diagram to reference from the
OCCS chapter of the 56F8300 Peripheral User Manual.
Figure 3-1 OCCS Block Diagram
3.2 External Clock Operation
The 56F8355 system clock can be derived from an external crystal, ceramic resonator, or an
external system clock signal. To generate a reference frequency using the internal oscillator, a
reference crystal or ceramic resonator must be connected between the EXTAL and XTAL pins.
3.2.1
Crystal Oscillator
The internal oscillator is designed to interface with a parallel-resonant crystal resonator in the
frequency range specified for the external crystal in Table 10-15. A recommended crystal
oscillator circuit is shown in Figure 3-2. Follow the crystal supplier’s recommendations when
selecting a crystal, since crystal parameters determine the component values required to provide
MU
X
EXTAL
XTAL
F
E
ED
BAC
K
LCK
Prescaler CLK
Postscaler CLK
FOUT/2
Crystal
OSC
Loss of
Reference
Clock
Detector
Lock
Detector
ZSRC
Bus Interface & Control
FOUT
F
RE
F
PLLDB
PLLCOD
PLLCID
Bus
Interface
Loss of Reference
Clock Interrupt
SYS_CLK2
Source to SIM
MU
X
CLKMODE
÷2
Prescaler
÷ (1,2,4,8)
Postscaler
÷ (1,2,4,8)
MS
TR
_
O
S
C
PLL
x (1 to 128)
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相關代理商/技術參數(shù)
參數(shù)描述
MC56F8355VFGE 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16 BIT HYBRID CNTRLR RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT
MC56F8356 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:56F8356 16-bit Hybrid Controller
MC56F8356MFV60 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC56F8356MFVE 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16 BIT HYBRID CONTROLLER RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT
MC56F8356VFV60 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 60MHz 60MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT
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