參數(shù)資料
型號(hào): MPC8315E-RDBA
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 36/106頁(yè)
文件大小: 0K
描述: BOARD MPU 8315 POWERQUICC II
標(biāo)準(zhǔn)包裝: 1
系列: PowerQUICC II™ PRO
類型: MPU
適用于相關(guān)產(chǎn)品: MPC8315E
所含物品:
MPC8315E PowerQUICC II Pro Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
35
Ethernet: Three-Speed Ethernet, MII Management
Table 35. SGMII DC Transmitter Electrical Characteristics
Parameter
Symbol
Min
Typ
Max
Unit
Note
Supply Voltage
XCOREVDD
0.95
1.0
1.05
V
Output high voltage
VOH
XCOREVDD-Typ/2 +
|VOD|-max/2
mV
1
Output low voltage
VOL
XCOREVDD-Typ/2 -
|VOD|-max/2
——
mV
1
Output ringing
VRING
——
10
%
Output differential voltage2, 3, 5
|VOD|
323
500
725
mV
Equalization
setting: 1.0x
296
459
665
Equalization
setting: 1.09x
269
417
604
Equalization
setting: 1.2x
243
376
545
Equalization
setting: 1.33x
215
333
483
Equalization
setting: 1.5x
189
292
424
Equalization
setting: 1.71x
162
250
362
Equalization
setting: 2.0x
Output offset voltage
VOS
425
500
575
mV
1, 4
Output impedance (single-ended)
RO
40
60
Mismatch in a pair
RO
——
10
%
Change in VOD between “0” and “1”
|VOD|—
25
mV
Change in VOS between “0” and “1”
VOS
——
25
mV
Output current on short to GND
ISA, ISB
——
40
mA
Note:
1. This will not align to DC-coupled SGMII. XCOREVDD-Typ=1.0V.
2. |VOD| = |VTXn - VTXn|. |VOD| is also referred as output differential peak voltage. VTX-DIFFp-p = 2*|VOD|.
3. The |VOD| value shown in the table assumes the following transmit equalization setting in the TXEQA (for SerDes lane A) or
TXEQE (for SerDes lane E) bit field of MPC8315E’s SerDes Control Register 0:
The LSbits (bit [1:3]) of the above bit field is set based on the equalization setting shown in table.
4. VOS is also referred to as output common mode voltage.
5. The |VOD| value shown in the Typ column is based on the condition of XCOREVDD-Typ=1.0V, no common mode offset variation
(VOS = 500 mV), SerDes transmitter is terminated with 100- differential load between TX[n] and TX[n].
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