參數(shù)資料
型號(hào): MSC8256TVT1000B
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 48/70頁(yè)
文件大?。?/td> 0K
描述: IC DSP 6 CORE 1GHZ 783FCPBGA
標(biāo)準(zhǔn)包裝: 1
系列: StarCore
類型: SC3850 內(nèi)核
接口: 以太網(wǎng),I²C,PCI,RGMII,串行 RapidIO,SGMII,SPI,UART/USART
時(shí)鐘速率: 1.0GHz
非易失內(nèi)存: ROM(96 kB)
芯片上RAM: 576kB
電壓 - 輸入/輸出: 2.50V
電壓 - 核心: 1.00V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 783-BBGA,F(xiàn)CBGA
供應(yīng)商設(shè)備封裝: 783-FCPBGA(29x29)
包裝: 托盤
MSC8256 Six-Core Digital Signal Processor Data Sheet, Rev. 6
Electrical Characteristics
Freescale Semiconductor
52
Figure 25 shows the RGMII AC timing and multiplexing diagrams.
2.6.6
SPI Timing
Table 36 lists the SPI input and output AC timing specifications.
Figure 25. RGMII AC Timing and Multiplexing
Table 36. SPI AC Timing Specifications
Parameter
Symbol 1
Min
Max
Unit
Note
SPI outputs valid—Master mode (internal clock) delay
tNIKHOV
—6
ns
2
SPI outputs hold—Master mode (internal clock) delay
tNIKHOX
0.5
ns
2
SPI outputs valid—Slave mode (external clock) delay
tNEKHOV
—12
ns
2
SPI outputs hold—Slave mode (external clock) delay
tNEKHOX
2—
ns
2
SPI inputs—Master mode (internal clock) input setup time
tNIIVKH
12
ns
SPI inputs—Master mode (internal clock) input hold time
tNIIXKH
0—
ns
SPI inputs—Slave mode (external clock) input setup time
tNEIVKH
4—
ns
SPI inputs—Slave mode (external clock) input hold time
tNEIXKH
2—
ns
Notes:
1.
The symbols used for timing specifications follow the pattern of t(first two letters of functional block)(signal)(state)
(reference)(state) for inputs and t(first two letters of functional block)(reference)(state)(signal)(state) for outputs. For example,
tNIKHOX symbolizes the internal timing (NI) for the time SPICLK clock reference (K) goes to the high state (H) until
outputs (O) are invalid (X).
2.
Output specifications are measured from the 50% level of the rising edge of SPICLK to the 50% level of the signal.
Timings are measured at the pin.
GTX_CLK
tSKEWT
TX_CTL
txd[7:4]
txd[3:0]
(At transmitter)
TXD[3:0]
RX_CTL
rxd[8:5]
rxd[3:0]
RXD[3:0]
RX_CLK
(At Receiver)
tSKEWR
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