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| 型號： | TWR-ELEV |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 16/48頁 |
| 文件大?。?/td> | 0K |
| 描述： | TOWER ELEVATOR BOARDS HARDWARE |
| 其它有關(guān)文件： | TWR-ELEV Dummy Schematic TWR-ELEV Functional Schematic |
| 產(chǎn)品培訓(xùn)模塊： | MCF51CN Family - Ultimate Ethernet Solutions Tower System |
| 特色產(chǎn)品： | The Tower System |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | ColdFire® |
| 附件類型： | 2 個升降機板 |
| 適用于相關(guān)產(chǎn)品： | Freescale 電源塔系統(tǒng) |
| 產(chǎn)品目錄頁面： | 734 (CN2011-ZH PDF) |
| 相關(guān)產(chǎn)品： | TWR-SER-ND - TOWER SERIAL I/O HARDWARE TWR-MCF51CN-ND - KIT TOWER BOARD TWR-MCF51CN-KIT-ND - KIT TOWER BOARD/SERIAL/ELEVATOR |
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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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TWR-ELEV | 制造商:Freescale Semiconductor 功能描述:Tower System - Elevator Boards |
| TWR-FRAM | 功能描述:存儲器 IC 開發(fā)工具 Freescale Tower FRAM Daughter Card RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Reference Boards 工具用于評估:M24LR64-R 存儲容量:64 kbit 存儲類型:EEPROM 工作電源電壓:1.8 V to 5.5 V |
| TWR-HW | 功能描述:WIRELESS RELAY 120/277 HARD WIRE 制造商:thomas research products 系列:ZenNet 零件狀態(tài):過期 配件類型:無線繼電器 配套使用產(chǎn)品/相關(guān)產(chǎn)品:* 標(biāo)準(zhǔn)包裝:1 |
| TWR-IND-IO | 功能描述:界面開發(fā)工具 IND CTRL Tower IO RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| TWR-K20D50M | 功能描述:開發(fā)板和工具包 - ARM PK20DX128VLH5 EvBrd RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口類型:DAC, ICSP, JTAG, UART, USB 工作電源電壓:3.3 V |
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