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參數(shù)資料
| 型號： | SCF5250PV120 |
| 廠商： | Motorola, Inc. |
| 英文描述： | SCF5250 Integrated ColdFire Microprocessor |
| 中文描述： | SCF5250提供了集成的ColdFire微處理器 |
| 文件頁數(shù)： | 15/48頁 |
| 文件大?。?/td> | 767K |
| 代理商： | SCF5250PV120 |
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Signal Descriptions
SCF5250 Integrated ColdFire Microprocessor Data Sheet, Rev. 1.1
Freescale Semiconductor
15
devices connected to the I
2
C bus drive the bus, they will either drive logic-0 or high-impedance. This can
be accomplished with an open-drain output.
4.9
Serial Module Signals
The following signals transfer serial data between the two UART modules and external peripherals.
4.10 Timer Module Signals
The following signal provides an external interface to Timer0.
Table 5. I
2
C Module Signals
I
2
c Module Signal
Description
I
2
C Serial Clock
The SCL0/SDATA1_BS1/GPIO41 and SCL1/TXD1/GPIO10
bidirectional signals are the clock signal for first and second I
2
C module
operation. The I
2
C module controls this signal when the bus is in master
mode; all I
2
C devices drive this signal to synchronize I
2
C timing.
Signals are multiplexed
I
2
C Serial Data
The SDA0/SDATA3/GPIO42 and SDA1/RXD1/GPIO44 bidirectional
signals are the data input/output for the first and second serial I
2
C
interface.
Signals are multiplexed
Table 6. Serial Module Signals
Serial
Module Signal
Description
Receive Data
The RXD0/GPIO46 and SDA1/RXD1/GPIO44 are the inputs on which
serial data is received by the DUART. Data is sampled on RxD[1:0] on
the rising edge of the serial clock source, with the least significant bit
received first.
Transmit Data
The DUART transmits serial data on the
TXD0/GPIO45 and
SCL1/TXD1/GPIO10 output signals. Data is transmitted on the falling
edge of the serial clock source, with the least significant bit transmitted
(LSB) first. When no data is being transmitted or the transmitter is
disabled, these two signals are held high. TxD[1:0] are also held high in
local loopback mode.
Request To Send
The DDATA3/RTS0/GP104 and DDATA1/RTS1/SDATA2_BS2/GPIO2
request-to-send outputs indicate to the peripheral device that the
DUART is ready to send data and requires a clear-to-send signal to
initiate transfer.
Clear To Send
Peripherals drive the DDATA2/CTS0/GPIO3 and
DDATA0/CTS1/SDATA0_SDIO1/GPIO1
inputs to indicate to the
SCF5250 serial module that it can begin data transmission.
Table 7. Timer Module Signals
Serial
Module Signal
Description
Timer Output
The SDATAO1/TOUT0/GPIO18 programmable output pulse or toggle
on various timer events.
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相關(guān)代理商/技術(shù)參數(shù) |
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| SCF5250VM120 | 功能描述:MCU 32BIT 120MHZ AUD 196-MAPBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:SCF52xx 標(biāo)準(zhǔn)包裝:1 系列:87C 核心處理器:MCS 51 芯體尺寸:8-位 速度:16MHz 連通性:SIO 外圍設(shè)備:- 輸入/輸出數(shù):32 程序存儲器容量:8KB（8K x 8） 程序存儲器類型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4 V ~ 6 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:外部 工作溫度:0°C ~ 70°C 封裝/外殼:44-DIP 包裝:管件 其它名稱:864285 |
| SCF5251VM | 制造商:Freescale Semiconductor 功能描述: |
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| SCF5740 | 功能描述:LED 顯示器和配件 5x7 Red 0.27" 4-CHARACTER RoHS:否 制造商:Avago Technologies 顯示器類型:7 Segment 數(shù)位數(shù)量:2 字符大小:7.8 mm x 14.22 mm 照明顏色:Red 波長:628 nm 共用管腳:Common Anode 工作電壓:2.05 V 工作電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 35 C 封裝:Tube |
| SCF5741 | 制造商:OSRAM 功能描述: |
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