參數(shù)資料
型號(hào): MSC8256TVT1000B
廠商: Freescale Semiconductor
文件頁數(shù): 29/70頁
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
Electrical Characteristics
MSC8256 Six-Core Digital Signal Processor Data Sheet, Rev. 6
Freescale Semiconductor
35
Output differential
voltage (XVDD-Typ at
1.0 V)
|VOD|
323
500
725
mV
2,3,4
296
459
665
2,3,5
269
417
604
2,3,6
243
376
545
2,3,7
215
333
483
2,3,8
189
292
424
2,3,9
162
250
362
2,3,10
Output impedance
(single-ended)
RO
40
50
60
Ω
Notes:
1.
This does not align to DC-coupled SGMII. XVDD_SRDS2-Typ = 1.1 V.
2.
The |VOD| value shown in the table assumes full multitude by setting srd_smit_lvl as 000 and the following transmit
equalization setting in the XMITEQAB (for lanes A and B) or XMITEQEF (for lanes E and F) bit field of Control Register:
The MSB (bit 0) of the above bit field is set to zero (selecting the full VDD-DIFF-p-p amplitude which is power up default);
The LSB (bit [1–3]) of the above bit field is set based on the equalization settings listed in notes 4 through 10.
3.
The |VOD| value shown in the Typ column is based on the condition of XVDD_SRDS2-Typ = 1.0 V, no common mode offset
variation (VOS =500mV), SerDes transmitter is terminated with 100-Ω differential load between
4.
Equalization setting: 1.0x: 0000.
5.
Equalization setting: 1.09x: 1000.
6.
Equalization setting: 1.2x: 0100.
7.
Equalization setting: 1.33x: 1100.
8.
Equalization setting: 1.5x: 0010.
9.
Equalization setting: 1.71x: 1010.
10. Equalization setting: 2.0x: 0110.
11. |VOD| = |VSR[1–2]_TXn– VSR[1–2]_TXn|. |VOD| is also referred to as output differential peak voltage. VTX-DIFFp-p = 2*|VOD|.
Figure 10. SGMII Transmitter DC Measurement Circuit
Table 15. SGMII DC Transmitter Electrical Characteristics (continued)
Parameter
Symbol
Min
Typ
Max
Unit
Notes
50
Ω
Transmitter
SR[1–2]_TXn
50
Ω
Vos
VOD
SGMII SerDes
Interface
50
Ω
50
Ω
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