參數(shù)資料
型號: MC56F8145VFGE
廠商: Freescale Semiconductor
文件頁數(shù): 28/172頁
文件大?。?/td> 0K
描述: IC DSP 16BIT 40MHZ 128-LQFP
標準包裝: 72
系列: 56F8xxx
核心處理器: 56800E
芯體尺寸: 16-位
速度: 40MHz
連通性: EBI/EMI,SCI,SPI
外圍設備: POR,PWM,WDT
輸入/輸出數(shù): 49
程序存儲器容量: 128KB(64K x 16)
程序存儲器類型: 閃存
RAM 容量: 4K x 16
電壓 - 電源 (Vcc/Vdd): 2.25 V ~ 3.6 V
數(shù)據(jù)轉換器: A/D 16x12b
振蕩器型: 外部
工作溫度: -40°C ~ 105°C
封裝/外殼: 128-LQFP
包裝: 托盤
產(chǎn)品目錄頁面: 734 (CN2011-ZH PDF)
Flash Access Blocking Mechanisms
56F8345 Technical Data, Rev. 17
Freescale Semiconductor
123
Preliminary
The LOCKOUT_RECOVERY instruction has an associated 7-bit Data Register (DR) that is used to
control the clock divider circuit within the FM module. This divider, FM_CLKDIV[6:0], is used to control
the period of the clock used for timed events in the FM erase algorithm. This register must be set with
appropriate values before the lockout sequence can begin. Refer to the JTAG section of the 56F8300
Peripheral User Manual for more details on setting this register value.
The value of the JTAG FM_CLKDIV[6:0] will replace the value of the FM register FMCLKD that divides
down the system clock for timed events, as illustrated in Figure 7-1. FM_CLKDIV[6] will map to the
PRDIV8 bit, and FM_CLKDIV[5:0] will map to the DIV[5:0] bits. The combination of PRDIV8 and DIV
must divide the FM input clock down to a frequency of 150kHz-200kHz. The “Writing the FMCLKD
Register” section in the Flash Memory chapter of the 56F8300 Peripheral User Manual gives specific
equations for calculating the correct values.
Figure 7-1 JTAG to FM Connection for Lockout Recovery
Two examples of FM_CLKDIV calculations follow.
SYS_CLK
JTAG
FMCLKD
DIVIDER
7
2
FM_CLKDIV
FM_ERASE
Flash Memory
clock
input
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相關代理商/技術參數(shù)
參數(shù)描述
MC56F8145VFGER 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
MC56F8146 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers
MC56F8146VFV 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC56F8146VFVE 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
MC56F8147 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers