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參數資料
| 型號： | TWR-MECH |
| 廠商： | Freescale Semiconductor |
| 文件頁數： | 21/46頁 |
| 文件大小： | 0K |
| 描述： | KIT TOWER ROBOT SENSOR MOTOR |
| 視頻文件： | Freescale Tower Overview - Another Geek Moment Freescale Tower Labs 1 & 2 - Another Geek Moment |
| 設計資源： | Tower Mechanical Drawing |
| 標準包裝： | 1 |
| 系列： | ColdFire® |
| 主要目的： | 機器人 |
| 嵌入式： | 是，MCU，32 位 |
| 已用 IC / 零件： | MCF52259，MMA8451Q，MPR121 |
| 主要屬性： | 32 位 MCU，3 軸加速傳感器，接觸式傳感器 |
| 已供物品： | 板 |
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Electrical Characteristics
MCF52259 ColdFire Microcontroller, Rev. 5
Freescale
28
2.4
Flash Memory Characteristics
16 Thermal resistance between the die and the printed circuit board in conformance with JEDEC JESD51-8. Board
temperature is measured on the top surface of the board near the package.
17 Thermal resistance between the die and the case top surface as measured by the cold plate method (MIL SPEC-883
Method 1012.1).
18 Thermal characterization parameter indicating the temperature difference between package top and the junction
temperature per JEDEC JESD51-2. When Greek letters are not available, the thermal characterization parameter is written
in conformance with Psi-JT.
The average chip-junction temperature (TJ) in C can be obtained from:
(1)
Where:
TA
= ambient temperature,
C
JA
= package thermal resistance, junction-to-ambient,
C/W
PD
= PINT PI/O
PINT
= chip internal power, IDD VDD, W
PI/O
= power dissipation on input and output pins — user determined, W
For most applications PI/O PINT and can be ignored. An approximate relationship between PD and TJ (if PI/O is neglected) is:
(2)
Solving equations 1 and 2 for K gives:
K = PD (TA + 273 C) + JMA PD
2 (3)
where K is a constant pertaining to the particular part. K can be determined from equation (3) by measuring PD (at equilibrium)
for a known TA. Using this value of K, the values of PD and TJ can be obtained by solving equations (1) and (2) iteratively for
any value of TA.
Table 9. SGFM Flash Program and Erase Characteristics
(VDD = 3.0 to 3.6 V)
Parameter
Symbol
Min
Typ
Max
Unit
System clock (read only)
fsys(R)
0—
66.67 or 801
1
Depending on packaging; see the orderable part number summary (Table 2).
MHz
System clock (program/erase)2
2 Refer to the flash memory section for more information (Section 2.4, “Flash Memory Characteristics”)
fsys(P/E)
0.15
—
66.67 or 801
MHz
Table 10. SGFM Flash Module Life Characteristics
(VDD = 3.0 to 3.6 V)
Parameter
Symbol
Value
Unit
Maximum number of guaranteed program/erase cycles1 before failure
1 A program/erase cycle is defined as switching the bits from 1
0 1.
P/E
10,0002
Cycles
Data retention at average operating temperature of 85
C
Retention
10
Years
TJ
TA
PD JMA
+
=
PD
KTJ 273C
+
=
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TWR-MEM | 功能描述:存儲器 IC 開發工具 Memory Module for Tower RoHS:否 制造商:STMicroelectronics 產品: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-MEM | 制造商:Freescale Semiconductor 功能描述:TOWER SYSTEM - MEMORY CONTROLL |
| TWR-MEM-PISMO | 功能描述:存儲器 IC 開發工具 Tower Memory Pismo RoHS:否 制造商:STMicroelectronics 產品: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-METRO-KIT-EU | 功能描述:WiFi/802.11開發工具 TWR-METRO-KIT FOR EU RoHS:否 制造商:Roving Networks 產品:Evaluation Boards 工具用于評估:RN-171 支持協議:802.11 b/g 頻率:2.4 GHz 接口類型:UART 工作電源電壓:2 V to 16 V |
| TWR-METRO-KIT-JA | 功能描述:WiFi/802.11開發工具 TWR-METRO-KIT FOR JA RoHS:否 制造商:Roving Networks 產品:Evaluation Boards 工具用于評估:RN-171 支持協議:802.11 b/g 頻率:2.4 GHz 接口類型:UART 工作電源電壓:2 V to 16 V |
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