参数资料
型号: MPC8536ECVTATHA
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 1250 MHz, MICROPROCESSOR, PBGA783
封装: 29 X 29 MM, 2.80 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, FCBGA-783
文件页数: 80/127页
文件大小: 1893K
代理商: MPC8536ECVTATHA
MPC8536E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 3
Ethernet: Enhanced Three-Speed Ethernet (eTSEC), MII Management
Freescale Semiconductor
56
2.9.3.3
SGMII Transmitter and Receiver DC Electrical Characteristics
Table 39 and Table 40 describe the SGMII SerDes transmitter and receiver AC-Coupled DC electrical characteristics.
Transmitter DC characteristics are measured at the transmitter outputs (SD2_TX[n] and SD2_TX[n]) as depicted in Figure 30.
Table 39. SGMII DC Transmitter Electrical Characteristics
Parameter
Symbol
Min
Typ
Max
Unit
Notes
Supply Voltage
X2VDD
0.95
1.0
1.05
V
Output high voltage
VOH
X2VDD-Typ/2 +
|VOD|-max/2
mV
1
Output low voltage
VOL
X2VDD-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
Ω
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
Notes:
1. This will not align to DC-coupled SGMII. X2VDD-Typ=1.0V.
2. |VOD| = |VSD2_TXn - VSD2_TXn|. |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 XMITEQAB (for SerDes 2 lanes
A & B) or XMITEQEF (for SerDes 2 lanes E & E) bit field of MPC8536E’s SerDes 2 Control Register:
The MSbit (bit 0) of the above bit field is set to zero (selecting the full VDD-DIFF-p-p amplitude - power up default);
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 X2VDD-Typ=1.0V, no common mode offset variation
(VOS =550mV), SerDes2 transmitter is terminated with 100-
Ω differential load between SD2_TX[n] and SD2_TX[n].
Δ
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