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參數(shù)資料
| 型號： | MCF51CN128CLK |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 50.33 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 14 X 14 MM, 1.40 MM HEIGHT, 0.65 MM PITCH, LQFP-80 |
| 文件頁數(shù)： | 16/48頁 |
| 文件大?。?/td> | 3550K |
| 代理商： | MCF51CN128CLK |
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Electrical Characteristics
MCF51CN128 ColdFire Microcontroller Data Sheet, Rev. 4
Freescale Semiconductor
23
3.10
Mini-FlexBus Timing Specifications
A multi-function external bus interface called Mini-FlexBus is provided with basic functionality to interface to slave-only
devices up to a maximum bus frequency of 25.1666 MHz. 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.
All processor bus timings are synchronous; that is, input setup/hold and output delay are given in respect to the rising edge of
a reference clock, MB_CLK. The MB_CLK frequency is half the internal system bus frequency.
The following timing numbers indicate when data is latched or driven onto the external bus, relative to the Mini-FlexBus output
clock (MB_CLK). All other timing relationships can be derived from these values.
Figure 13. Mini-FlexBus Read Timing
Table 12. Mini-FlexBus AC Timing Specifications
Num
C
Characteristic
Min
Max
Unit
Notes
—
Frequency of Operation
—
25.1666
MHz
—
MB1
D
Clock Period
39.73
—
ns
—
MB2
P
Output Valid
—
20
ns
1
1 Specification is valid for all MB_A[19:0], MB_D[7:0], MB_CS[1:0], MB_OE, MB_R/W, and MB_ALE.
MB3
D
Output Hold
1.0
—
ns
MB4
P
Input Setup
22
—
ns
2
2 Specification is valid for all MB_D[7:0].
MB5
D
Input Hold
10
—
ns
FB_A[19:16]
FB_CLK
S0
S1
S2
S3
FB_R/W
FB_ALE
DATA[7:0]
8-bit Non-Mux’d Bus
16-bit Mux’d Bus
ADDR[19:0]
ADDR[31:24]
FB_D[7:0]
FB_CSn, FB_OE
S0
FB_AD[15:0]
FB_AD[19:16]
DATA[15:0]
ADDR[19:16]
ADDR[15:0]
MB1
MB2
MB5
MB3
MB4
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| MCF51CN128CLK | 制造商:Freescale Semiconductor 功能描述:IC 32BIT MCU COLDFIRE 50.33MHZ LQFP80 |
| MCF51EM128CLK | 功能描述:32位微控制器 - MCU 16 Bit256K Flash CFV1 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(fēng)格:SMD/SMT |
| MCF51EM128CLK | 制造商:Freescale Semiconductor 功能描述:32-BIT MICROCONTROLLER IC ColdFire 50. |
| MCF51EM128CLL | 功能描述:32位微控制器 - MCU 16 Bit256K Flash CFV1 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(fēng)格:SMD/SMT |
| MCF51EM256 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MCF51EM256-based Poly Phase Energy Meter Reference Design 220V Technical Specifications |
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