fin12a Fairchild Semiconductor, fin12a Datasheet - Page 9

• Manufacturer Part Number: fin12a
• Description: Fin12a Mserdes Low Voltage 12-bit Bi-directional Serializer/deserializer With Multiple Frequency Ranges Preliminary
• Manufacturer: Fairchild Semiconductor

Application Mode Diagrams
Figure 8 shows the basic operation diagram when a pair of
SerDes is configured in an unidirectional operation mode.
Master Operation: The device will...
(Please refer to Figure 8)
1. During power-up the device will be configured as a
2. Accept CKREF_M word clock and generate a bit clock
3. Receive
4. Generate and transmit serialized data on the DS sig-
5. Generate an embedded word clock for each strobe sig-
Modes 1, 2, 3: Unidirectional Data Transfer
serializer based on the value of the DIRI signal.
with embedded word boundary. This bit clock will be
sent to the slave device through the CKSO port.
STROBE_M.
nals which is source synchronous with CKSO.
nal.
parallel
FIGURE 8. Simplified Block Diagram for Unidirectional Serializer and Deserializer
data
on
FIGURE 9. Unidirectional Serializer and Deserializer
the
rising
edge
of
9
Slave Operation: The device will...
1. Be configured as a deserializer at power-up based on
2. Accept an embedded word boundary bit clock on CKSI.
3. Deserialize the DS Data stream using the CKSI input
4. Write parallel data onto the DP_S port and generate
the value of the DIRI signal.
clock.
the CKP_S. CKP_S will only be generated when a valid
data word occurs.
www.fairchildsemi.com
Preliminary