SCF5250 Data Sheet: Technical Data, Rev. 1.3 Freescale Se" />
參數(shù)資料
型號: SCF5250CAG120
廠商: Freescale Semiconductor
文件頁數(shù): 7/56頁
文件大小: 0K
描述: IC MPU COLDFIRE 120MHZ 144-QFP
標準包裝: 60
系列: SCF52xx
核心處理器: Coldfire V2
芯體尺寸: 32-位
速度: 120MHz
連通性: EBI/EMI,I²C,IDE,MMC,SPI,UART/USART
外圍設備: DMA,I²S,POR,串行音頻,WDT
輸入/輸出數(shù): 57
程序存儲器類型: ROMless
RAM 容量: 128K x 8
電壓 - 電源 (Vcc/Vdd): 1.08 V ~ 1.32 V
數(shù)據(jù)轉換器: A/D 6x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 144-LQFP
包裝: 托盤
SCF5250 Data Sheet: Technical Data, Rev. 1.3
Freescale Semiconductor
15
3.8
Serial Module Signals
The signals described in Table 5 transfer serial data between the two UART modules and the external
peripherals.
3.9
Timer Module Signals
Table 6 describes the Timer module signal which provides an external interface to Timer0.
Table 5. 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 6. 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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