參數(shù)資料
型號(hào): MCF52252AF80
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP100
封裝: 14 X 14 MM, ROHS COMPLIANT, LQFP-100
文件頁數(shù): 29/46頁
文件大?。?/td> 560K
代理商: MCF52252AF80
MCF52259 ColdFire Microcontroller, Rev. 4
Electrical Characteristics
Freescale Semiconductor
35
2.11.3
Asynchronous Input Signal Timing Specifications
Figure 9. MII Async Inputs Timing Diagram
2.11.4
MII Serial Management Timing Specifications
Figure 10. MII Serial Management Channel TIming Diagram
2.12
General Purpose I/O Timing
GPIO can be configured for certain pins of the QSPI, DDR Control, timer, UART, Interrupt and USB interfaces. When in GPIO
mode, the timing specification for these pins is given in Table 21 and Figure 11.
The GPIO timing is met under the following load test conditions:
50 pF / 50
for high drive
Table 19. MII Transmit Signal Timing
Num
Characteristic
Min
Max
Unit
E9
CRS, COL minimum pulse width
1.5
TXCLK period
Table 20. MII Serial Management Channel Signal Timing
Num
Characteristic
Symbol
Min
Max
Unit
E10
MDC cycle time
tMDC
400
ns
E11
MDC pulse width
40
60
% tMDC
E12
MDC to MDIO output valid
375
ns
E13
MDC to MDIO output invalid
25
ns
E14
MDIO input to MDC setup
10
ns
E15
MDIO input to MDC hold
0
ns
CRS, COL
E9
MDC (Output)
E11
MDIO (Output)
MDIO (Input)
E11
E12
E13
Valid Data
E14
E15
Valid Data
E10
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCF52252AF80 制造商:Freescale Semiconductor 功能描述:32-bit Microcontroller IC
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MCF52254AF80 功能描述:32位微控制器 - MCU KIRIN3 COLDFIRE V2 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(shí)鐘頻率:90 MHz 程序存儲(chǔ)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
MCF52254AF80 制造商:Freescale Semiconductor 功能描述:IC 32BIT MCU COLDFIRE/68K 80MHZ LQFP-100