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| 型號(hào)： | MCF5234CVM100 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 100 MHz, RISC PROCESSOR, PBGA256 |
| 封裝： | MAPBGA-256 |
| 文件頁數(shù)： | 16/76頁 |
| 文件大?。?/td> | 2665K |
| 代理商： | MCF5234CVM100 |
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MOTOROLA
MCF523x Integrated Microprocessor Hardware Specifications
23
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Signal Primary Functions
2.2.8
Ethernet Module (FEC) Signals
The following signals are used by the Ethernet module for data and clock signals. Some of these signals are
muxed with eTPU channels on the MCF5235 and dedicated on the other members of the family that have
an Ethernet Module.
Table 10. Ethernet Module (FEC) Signals
Signal Name
Abbreviation
Function
I/O
Management Data
EMDIO
Transfers control information between the external PHY and the
media-access controller. Data is synchronous to EMDC. Applies to MII
mode operation. This signal is an input after reset. When the FEC is
operated in 10Mbps 7-wire interface mode, this signal should be
connected to VSS.
This pin can also be configured as GPIO port AS5 or UART2 receive
data U2RXD.
I/O
Management Data
Clock
EMDC
In Ethernet mode, EMDC is an output clock which provides a timing
reference to the PHY for data transfers on the EMDIO signal. Applies
to MII mode operation.
This pin can also be configured as UART2 transmit data U2TXD or I2C
clock I2C_SCL.
O
Transmit Clock
ETXCLK
Input clock which provides a timing reference for ETXEN, ETXD[3:0]
and ETXER
I
Transmit Enable
ETXEN
Indicates when valid nibbles are present on the MII. This signal is
asserted with the first nibble of a preamble and is negated before the
first ETXCLK following the final nibble of the frame.
O
Transmit Data 0
ETXD0
ETXD0 is the serial output Ethernet data and is only valid during the
assertion of ETXEN. This signal is used for 10-Mbps Ethernet data. It
is also used for MII mode data in conjunction with ETXD[3:1].
O
Collision
ECOL
Asserted upon detection of a collision and remains asserted while the
collision persists. This signal is not defined for full-duplex mode.
I
Receive Clock
ERXCLK
Provides a timing reference for ERXDV, ERXD[3:0], and ERXER.
I
Receive Data Valid
ERXDV
Asserting the receive data valid (ERXDV) input indicates that the PHY
has valid nibbles present on the MII. ERXDV should remain asserted
from the first recovered nibble of the frame through to the last nibble.
Assertion of ERXDV must start no later than the SFD and exclude any
EOF.
I
Receive Data 0
ERXD0
ERXD0 is the Ethernet input data transferred from the PHY to the
media-access controller when ERxDV is asserted. This signal is used
for 10-Mbps Ethernet data. This signal is also used for MII mode
Ethernet data in conjunction with ERXD[3:1].
I
Carrier Receive Sense
ECRS
When asserted, indicates that transmit or receive medium is not idle.
Applies to MII mode operation.
This pin can also be configured and UART2 receive U2RXD or I2C
data I2C_SDA.
I
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MCF5235CVM150 | 32-BIT, 150 MHz, RISC PROCESSOR, PBGA256 |
| MCF5232CAB80 | 32-BIT, 80 MHz, RISC PROCESSOR, PQFP160 |
| MCF5232CVM100 | 32-BIT, 100 MHz, RISC PROCESSOR, PBGA196 |
| MCF5271CVM150 | 32-BIT, 150 MHz, RISC PROCESSOR, PBGA196 |
| MCF5270AB100 | 32-BIT, 100 MHz, RISC PROCESSOR, PQFP160 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCF5234CVM100J | 功能描述:32位微控制器 - MCU V2CORE 64KSRAM 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 |
| MCF5234CVM150 | 功能描述:IC MPU 32BIT COLDFIRE 256-MAPBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MCF523x 標(biāo)準(zhǔn)包裝:1 系列:AVR® ATmega 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C，SPI，UART/USART 外圍設(shè)備:欠壓檢測(cè)/復(fù)位，POR，PWM，WDT 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:32KB（16K x 16） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:1K x 8 RAM 容量:2K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:44-TQFP 包裝:剪切帶 (CT) 其它名稱:ATMEGA324P-B15AZCT |
| MCF5234CVM150 | 制造商:Freescale Semiconductor 功能描述:Microprocessor IC |
| MCF5234CVM150J | 功能描述:32位微控制器 - MCU V2CORE 64KSRAM 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 |
| MCF5235 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Microprocessor Hardware Specification |
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