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| 型号： | TWR-ELEV |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 15/48页 |
| 文件大小： | 0K |
| 描述： | TOWER ELEVATOR BOARDS HARDWARE |
| 其它有关文件： | TWR-ELEV Dummy Schematic TWR-ELEV Functional Schematic |
| 产品培训模块： | MCF51CN Family - Ultimate Ethernet Solutions Tower System |
| 特色产品： | The Tower System |
| 标准包装： | 1 |
| 系列： | ColdFire® |
| 附件类型： | 2 个升降机板 |
| 适用于相关产品： | Freescale 电源塔系统 |
| 产品目录页面： | 734 (CN2011-ZH PDF) |
| 相关产品： | 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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MCF51CN128 ColdFire Microcontroller Data Sheet, Rev. 4
Electrical Characteristics
Freescale Semiconductor
22
8C
Resolution of trimmed DCO output
frequency at fixed voltage and
temperature (not using FTRIM)
Δf
dco_res_t
—
± 0.2
± 0.4
%fdco
9P
Total deviation of trimmed DCO output
frequency over voltage and
temperature
Δf
dco_t
—
+ 0.5
-1.0
± 2
%fdco
10
C
Total deviation of trimmed DCO output
frequency over fixed voltage and
temperature range of 0 - 70
°C
Δf
dco_t
—
± 0.5
± 1
%fdco
11
C FLL acquisition time 2
tfll_acquire
——
1
ms
12
D PLL acquisition time 3
tpll_acquire
——
1
ms
13
C
Long term Jitter of DCO output clock
(averaged over 2ms interval) 4
CJitter
—0.02
0.2
%fdco
14
D VCO operating frequency
fvco
7.0
—
55.0
MHz
15
D Lock entry frequency tolerance5
Dlock
± 1.49
—
± 2.98
%
16
D Lock exit frequency tolerance6
Dunl
± 4.47
—
± 5.97
%
17
D Lock time - FLL
tfll_lock
——
tfll_acquire+
1075(1/fint_t
)
s
18
D Lock time - PLL
tpll_lock
——
tpll_acquire+
1075(1/fpll_r
ef)
s
19
D
Loss of external clock minimum
frequency - RANGE = 0
floc_low
(3/5) x fint
—
kHz
1 TRIM register at default value (0x80) and FTRIM control bit at default value (0x0).
2 This specification applies to any time the FLL reference source or reference divider is changed, trim value changed or changing
from FLL disabled (BLPE, BLPI) to FLL enabled (FEI, FEE, FBE, FBI). If a crystal/resonator is being used as the reference,
this specification assumes it is already running.
3 This specification applies to any time the PLL VCO divider or reference divider is changed, or changing from PLL disabled
(BLPE, BLPI) to PLL enabled (PBE, PEE). If a crystal/resonator is being used as the reference, this specification assumes it is
already running.
4 Jitter is the average deviation from the programmed frequency measured over the specified interval at maximum f
BUS.
Measurements are made with the device powered by filtered supplies and clocked by a stable external clock signal. Noise
injected into the FLL circuitry via VDD and VSS and variation in crystal oscillator frequency increase the CJitter percentage for a
given interval.
5 Below D
lock minimum, the MCG is guaranteed to enter lock. Above Dlock maximum, the MCG does not enter lock. But if the
MCG is already in lock, then the MCG may stay in lock.
6 Below D
unl minimum, the MCG does not exit lock if already in lock. Above Dunl maximum, the MCG is guaranteed to exit lock.
Table 11. MCG Frequency Specifications (continued)(Temperature Range = –40 to 125
°C Ambient)
Num C
Rating
Symbol
Min
Typical
Max
Unit
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TWR-ELEV | 制造商:Freescale Semiconductor 功能描述:Tower System - Elevator Boards |
| TWR-FRAM | 功能描述:存储器 IC 开发工具 Freescale Tower FRAM Daughter Card RoHS:否 制造商:STMicroelectronics 产品:Reference Boards 工具用于评估:M24LR64-R 存储容量:64 kbit 存储类型:EEPROM 工作电源电压: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 零件状态:过期 配件类型:无线继电器 配套使用产品/相关产品:* 标准包装:1 |
| TWR-IND-IO | 功能描述:界面开发工具 IND CTRL Tower IO RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| TWR-K20D50M | 功能描述:开发板和工具包 - ARM PK20DX128VLH5 EvBrd RoHS:否 制造商:Arduino 产品:Development Boards 工具用于评估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口类型:DAC, ICSP, JTAG, UART, USB 工作电源电压:3.3 V |
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