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參數(shù)資料
| 型號： | MCF53721CVM240 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 240 MHz, RISC PROCESSOR, PBGA196 |
| 封裝： | 15 X 15 MM, ROHS COMPLIANT, MAPBGA-196 |
| 文件頁數(shù)： | 11/46頁 |
| 文件大?。?/td> | 922K |
| 代理商： | MCF53721CVM240 |
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Electrical Characteristics
MCF537x ColdFire Microprocessor Data Sheet, Rev. 4
Freescale Semiconductor
19
Figure 6. General Input Timing Requirements
5.6.1
FlexBus
A multi-function external bus interface called FlexBus is provided with basic functionality to interface to slave-only devices up
to a maximum bus frequency of 80MHz. It can be directly connected to asynchronous or synchronous devices such as external
boot ROMs, flash memories, gate-array logic, or other simple target (slave) devices with little or no additional circuitry. For
asynchronous devices a simple chip-select based interface can be used. The FlexBus interface has six general purpose
chip-selects (FB_CS[5:0]) which can be configured to be distributed between the FlexBus or SDRAM memory interfaces.
Chip-select, FB_CS0 can be dedicated to boot ROM access and can be programmed to be byte (8 bits), word (16 bits), or
longword (32 bits) wide. Control signal timing is compatible with common ROM/flash memories.
5.6.1.1
FlexBus AC Timing Characteristics
The following timing numbers indicate when data is latched or driven onto the external bus, relative to the system clock.
Table 9. FlexBus AC Timing Specifications
Num
Characteristic
Symbol
Min
Max
Unit
—
Frequency of Operation
fsys/3
—80
Mhz
FB1
Clock Period (FB_CLK)
tFBCK (tcyc)
12.5
—
ns
FB2
Address, Data, and Control Output Valid (A[23:0], D[31:0],
FB_CS[5:0], R/W, TS, BE/BWE[3:0] and OE)1
tFBCHDCV
—7.0
ns
FB3
Address, Data, and Control Output Hold (A[23:0], D[31:0],
FB_CS[5:0], R/W, TS, BE/BWE[3:0], and OE)1, 2
tFBCHDCI
1—
ns
Invalid
FB_CLK (80MHz)
TSETUP
THOLD
Input Setup And Hold
1.5V
trise
Vh = VIH
Vl = VIL
1.5V
1.5V Valid
tfall
Vh = VIH
Vl = VIL
Input Rise Time
Input Fall Time
* The timings are also valid for inputs sampled on the negative clock edge.
Inputs
FB_CLK
B4
B5
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
MCF53721CVM240,
MCF5372LCVM240,
MCF5373LCVM240
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MCF5373CAB180 | 32-BIT, 180 MHz, RISC PROCESSOR, PQFP160 |
| MCF5372LCVM240 | 32-BIT, 240 MHz, RISC PROCESSOR, PBGA196 |
| MCF5407FT162 | 32-BIT, 162 MHz, RISC PROCESSOR, PQFP208 |
| MCF5407FT220 | 32-BIT, 220 MHz, RISC PROCESSOR, PQFP208 |
| MCF5407CFT162 | 32-BIT, 162 MHz, RISC PROCESSOR, PQFP208 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCF5372CAB180 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microprocessor Data Sheet |
| MCF5372L | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ColdFire㈢ Microprocessor |
| MCF5372LCVM240 | 功能描述:IC MPU RISC 240MHZ 196-MAPBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MCF537x 標準包裝:330 系列:- 核心處理器:- 芯體尺寸:8/16-位 速度:40MHz 連通性:UART/USART 外圍設(shè)備:DMA，PWM，WDT 輸入/輸出數(shù):32 程序存儲器容量:- 程序存儲器類型:外部程序存儲器 EEPROM 大小:- RAM 容量:- 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:100-BQFP 包裝:管件 |
| MCF5372LCVM240J | 功能描述:32位微控制器 - MCU V3CORE RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風格:SMD/SMT |
| MCF5373 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ColdFire㈢ Microprocessor |
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