CE653 – Handshake Channel Based Design

Asynchronous Channels

CE-653 - Handshake Channel Design

8

1 of the N wires is risen

(N-1 remains zero)

Req

Ack

Data

Data stable

The sender drives

1 of the N wires high

The receiver drives

1 of the N wires low

1

2

3

4

1

2

3

4

1

2

Ack

1-of-N

1-of-N

Data

Req

Ack

Bundled-Data Channel

Sender

Receiver

Data

Ack

Dual-Rail (1-of-N) Channel

Sender

Receiver

Single-Track Channel

Data

Sender

Receiver