參數(shù)資料
型號: MSC8256TVT1000B
廠商: Freescale Semiconductor
文件頁數(shù): 43/70頁
文件大?。?/td> 0K
描述: IC DSP 6 CORE 1GHZ 783FCPBGA
標準包裝: 1
系列: StarCore
類型: SC3850 內核
接口: 以太網(wǎng),I²C,PCI,RGMII,串行 RapidIO,SGMII,SPI,UART/USART
時鐘速率: 1.0GHz
非易失內存: 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
供應商設備封裝: 783-FCPBGA(29x29)
包裝: 托盤
MSC8256 Six-Core Digital Signal Processor Data Sheet, Rev. 6
Electrical Characteristics
Freescale Semiconductor
48
Figure 20 shows the TDM receive signal timing.
TDMxTCK High to TDMxTD output high impedance
tDM_OUTHI
—9.8
ns
TDMxTFS/TDMxRFS output valid
tDMFSKHOV
—9.25
ns
TDMxTFS/TDMxRFS output hold time
tDMFSKHOX
2.0
ns
Notes:
1.
The symbols used for timing specifications follow the pattern 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, tHIKHOX symbolizes the output internal
timing (HI) for the time tserial memory clock reference (K) goes from the high state (H) until outputs (O) are invalid (X).
2.
Output values are based on 30 pF capacitive load.
3.
Inputs are referenced to the sampling that the TDM is programmed to use. Outputs are referenced to the programming edge
they are programmed to use. Use of the rising edge or falling edge as a reference is programmable. TDMxTCK and TDMxRCK are
shown using the rising edge.
4.
All values are based on a maximum TDM interface frequency of 62.5 MHz.
Figure 20. TDM Receive Signals
Table 31. TDM AC Timing Specifications for 62.5 MHz1 (continued)
Parameter
Symbol2
Min
Max
Unit
TDMxRCK
TDMxRD
TDMxRFS
TDMxRFS (output)
~ ~
tDM
tDM_HIGH
tDM_LOW
tDMIVKH
tDMRDIXKH
tDMFSIXKH
tDMFSKHOV
tDMFSKHOX
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