Transmitter and transceiver including the same
A transmitter includes a transmission controller which outputs original data through an original data lane, an encoder which encodes the original data into encoded data and outputs the encoded data through an encoded data lane, and a transmission driver which outputs the encoded data at a speed of M (M is a real number greater than 0) gigabits per second through a transmission and reception interface. The transmission driver provides a first clock signal corresponding to an output speed to the encoder, the encoder provides a second clock signal having a second frequency less than a first frequency of the first clock signal to the transmission controller, the transmission controller outputs the original data based on the second clock signal, and the encoder outputs the encoded data based on the first clock signal.
1. A transmitter comprising:
a transmission controller which outputs original data through an original data lane;
an encoder which encodes the original data into encoded data and outputs the encoded data through an encoded data lane; and
a transmission driver which outputs the encoded data at a speed of M (M is a real number greater than 0) gigabits per second through a transmission and reception interface,
wherein the transmission driver provides a first clock signal corresponding to an output speed to the encoder,
the encoder provides a second clock signal having a second frequency less than a first frequency of the first clock signal to the transmission controller,
the transmission controller outputs the original data based on the second clock signal, and
the encoder outputs the encoded data based on the first clock signal.
2. The transmitter according to claim 1 , wherein the original data includes original packets,
the encoded data includes an overhead packet and encoded packets corresponding to the overhead packet,
a number of the original packets and a number of the encoded packets are identical to each other, and
the encoder encodes the original packets into the encoded packets using the overhead packet.
3. The transmitter according to claim 2 , wherein the encoder generates the encoded packets by performing an exclusive OR operation on the overhead packet and the original packets.
4. The transmitter according to claim 2 , wherein the second frequency is p/q of the first frequency,
the q is an integer obtained by adding a number of the overhead packet and the number of the encoded packets corresponding to the overhead packet, and
the p is an integer obtained by subtracting the number of the overhead packet from q.
5. A transmitter comprising:
a transmission controller which outputs first original data through a first original data lane and outputs second original data through a second original data lane;
a mapper which generates mapping data by mapping the first original data and the second original data;
an encoder which encodes the mapping data into encoded data and outputs the encoded data through an encoded data lane; and
a transmission driver which outputs the encoded data at a speed of M (M is a real number greater than 0) gigabits per second through a transmission and reception interface,
wherein the transmission driver provides a first clock signal corresponding to an output speed to the encoder, and
the encoder outputs the encoded data based on the first clock signal.
6. The transmitter according to claim 5 , wherein the encoder outputs the encoded data at the speed of M gigabits per second through the encoded data lane,
the transmission controller outputs the first original data at a speed of M/2 gigabits per second or less through the first original data lane, and
the transmission controller outputs the second original data at the speed of M/2 gigabits per second or less through the second original data lane.
7. The transmitter according to claim 6 , wherein the first original data lane is configured of N (N is an integer greater than 0) parallel lines,
the second original data lane is configured of N parallel lines, and
the encoded data lane is configured of 2N parallel lines.
8. The transmitter according to claim 7 , wherein the first frequency of the first clock signal is M*1000/2N megahertz.
9. The transmitter according to claim 5 , wherein the encoder provides a second clock signal having a second frequency less than the first frequency of the first clock signal to the transmission controller, and
the transmission controller outputs the first original data and the second original data based on the second clock signal.
10. The transmitter according to claim 9 , wherein the mapping data includes original packets,
the encoded data includes an overhead packet and encoded packets corresponding to the overhead packet,
a number of the original packets and a number of the encoded packets are identical to each other, and
the encoder encodes the original packets into the encoded packets using the overhead packet.
11. The transmitter according to claim 10 , wherein the encoder generates the encoded packets by performing an exclusive OR operation on the overhead packet and the original packets.
12. The transmitter according to claim 10 , wherein the second frequency is p/q of the first frequency,
the q is an integer obtained by adding a number of the overhead packet and the number of the encoded packets corresponding to the overhead packet, and
the p is an integer obtained by subtracting the number of the overhead packet from q.
13. A transceiver comprising a transmitter and a receiver connected through a transmission and reception interface, the transmitter comprising:
a transmission controller which outputs first original data through a first original data lane and outputs second original data through a second original data lane;
a mapper which generates mapping data by mapping the first original data and the second original data;
an encoder which encodes the mapping data into encoded data and outputs the encoded data through an encoded data lane; and
a transmission driver which outputs the encoded data at a speed of M (M is a real number greater than 0) gigabits per second through the transmission and reception interface,
wherein
the transmission driver provides a first clock signal corresponding to an output speed to the encoder, and the encoder outputs the encoded data based on the first clock signal.
14. The transceiver according to claim 13 , wherein the encoder outputs the encoded data at the speed of M gigabits per second through the encoded data lane,
the transmission controller outputs the first original data at a speed of M/2 gigabits per second or less through the first original data lane, and
the transmission controller outputs the second original data at the speed of M/2 gigabits per second or less through the second original data lane.
15. The transceiver according to claim 14 , wherein the first original data lane is configured of N (N is an integer greater than 0) parallel lines,
the second original data lane is configured of N parallel lines, and
the encoded data lane is configured of 2N parallel lines.
16. The transceiver according to claim 15 , wherein a first frequency of the first clock signal is M*1000/2N megahertz.
17. The transceiver according to claim 13 , wherein the encoder provides a second clock signal having a second frequency less than a first frequency of the first clock signal to the transmission controller, and
the transmission controller outputs the first original data and the second original data based on the second clock signal.
18. The transceiver according to claim 17 , wherein the mapping data includes original packets,
the encoded data includes an overhead packet and encoded packets corresponding to the overhead packet,
a number of the original packets and a number of the encoded packets are identical to each other, and
the encoder encodes the original packets into the encoded packets using the overhead packet.
19. The transceiver according to claim 18 , wherein the encoder generates the encoded packets by performing an exclusive OR operation on the overhead packet and the original packets.
20. The transceiver according to claim 18 , wherein the second frequency is p/q of the first frequency,
the q is an integer obtained by adding a number of the overhead packet and the number of the encoded packets corresponding to the overhead packet, and
the p is an integer obtained by subtracting the number of the overhead packet from q.