MSC8144VT800A Freescale Semiconductor, MSC8144VT800A Datasheet - Page 57

• Manufacturer Part Number: MSC8144VT800A
• Description: IC DSP QUAD 800MHZ 783FCBGA
• Manufacturer: Freescale Semiconductor
• Series: MSC81xx StarCorer
• Type: SC3400 Corer

Specifications of MSC8144VT800A

• Interface: Ethernet, I²C, SPI, TDM, UART, UTOPIA
• Clock Rate: 800MHz
• Non-volatile Memory: External
• On-chip Ram: 10.5MB
• Voltage - I/o: 3.30V
• Voltage - Core: 1.00V
• Operating Temperature: 0°C ~ 90°C
• Mounting Type: Surface Mount
• Package / Case: 783-BBGA, FCBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 28
Figure 29
2.6.10.5
Figure 30
Freescale Semiconductor
ETHSYNC_IN, ETHRXD to ETHCLOCK rising edge setup time
ETHCLOCK rising edge to ETHSYNC_IN, ETHRXD hold time
ETHCLOCK rising edge to ETHSYNC, ETHTXD output delay
Notes:
provides the AC test load.
shows the SMII Mode signal timing.
shows the RMII transmit and receive AC timing diagram.
1.
2.
3.
4.
Typical REF_CLK clock period is 8ns
Measured using a 5 pF load.
Measured using a 15 pF load
Program GCR4 as 0x00002008
SMII AC Timing Specification
REF_CLK
RXD[1–0]
TXD[1–0]
CRS_DV
RX_ER
TX_EN
Characteristics
Output
MSC8144 Quad Core Digital Signal Processor Data Sheet, Rev. 16
Figure 28. RMII Transmit and Receive AC Timing
t
RMRDVKH
t
RMXH
Table 44. SMII Mode Signal Timing
t
Z
RMX
0
Figure 29. AC Test Load
= 50 Ω
Valid Data
t
RMTKHDX
t
RMXF
Symbol
t
t
SMDVKH
SMDXKH
t
SMXR
R
L
t
RMRDXKH
= 50 Ω
t
RMXR
Min
1.5
1.0
1.5
V
DDGE
/2
Max
5.0
—
—
Unit
ns
ns
ns
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