參數(shù)資料
型號: MSC8256TVT1000B
廠商: Freescale Semiconductor
文件頁數(shù): 30/70頁
文件大小: 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
36
Table 16 describes the SGMII SerDes receiver AC-coupled DC electrical characteristics.
2.5.4
RGMII and Other Interface DC Electrical Characteristics
Table 17 describes the DC electrical characteristics for the following interfaces:
RGMII Ethernet
SPI
TDM
GPIO
UART
TIMER
EE
I2C
Interrupts (IRQn, NMI_OUT, INT_OUT)
Clock and resets (CLKIN, PORESET, HRESET, SRESET)
DMA External Request
JTAG signals
Table 16. SGMII DC Receiver Electrical Characteristics5
Parameter
Symbol
Min
Typ
Max
Unit
Notes
DC Input voltage range
N/A
1
Input
differential
voltage
SRDSnCR4[EICE{12:10}] = 0b001 for SGMII1
SRDSnCR4[EICF{4:2}] = 0b001 for SGMII2
VRX_DIFFp-p
100
1200
mV
2, 4
SRDSnCR4[EICE{12:10}] = 0b100 for SGMII1
SRDSnCR4[EICF{4:2}] = 0b100 for SGMII2
175
Loss of
signal
threshold
SRDSnCR4[EICE{12:10}] = 0b001 for SGMII1
SRDSnCR4[EICF{4:2}] = 0b001 for SGMII2
VLOS
30
100
mV
3, 4
SRDSnCR4[EICE{12:10}] = 0b100 for SGMII1
SRDSnCR4[EICF{4:2}] = 0b100 for SGMII2
65
175
Receiver differential input impedance
ZRX_DIFF
80
120
W
Notes:
1.
Input must be externally AC-coupled.
2.
VRX_DIFFp-p is also referred to as peak-to-peak input differential voltage.
3.
The concept of this parameter is equivalent to the Electrical Idle Detect Threshold parameter in the PCI Express interface.
Refer to the PCI Express Differential Receiver (RX) Input Specifications section of the PCI Express Specification document.
for details.
4.
The values for SGMII1 and SGMII2 are selected in the SRDS control registers.
5.
The supply voltage is 1.0 V.
Table 17. 2.5 V I/O DC Electrical Characteristics
Characteristic
Symbol
Min
Max
Unit
Notes
Input high voltage
VIH
1.7
V
1
Input low voltage
VIL
—0.7
V
1
Input high current (VIN = VDDIO)IIN
—30
μA2
Output high voltage (VDDIO = min, IOH = –1.0 mA)
VOH
2.0
VDDIO + 0.3
V
1
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