|
DiSEqC 1.0 設計參考例 |
表一、DiSEqC 各版差異。
|
LEVEL |
CONTROL |
PRODUCT TYPE |
|
"DiSEqC" Compatible |
Tone Burst Command |
Simple two-state switches only |
|
DiSEqC 1.0 |
One-way DiSEqC Commands |
Receivers only |
|
DiSEqC 2.0 |
Two-way DiSEqC Commands |
Receivers and Accessories |
|
DiSEqC 3.0 |
Two-way Commands and external Bus Control |
Receivers [which can be controlled/program via the bus] |
§使用PIC16C5X 設計例 ：(DiSEqC 1.0)
圖一、參考電路圖.
DiSEqC Level 1.0 控制碼.
|
Name |
Continuous commands |
Tone Bust |
DiSEqC Command bytes |
|
|
Band(Low/High) |
0/22 KHz |
- |
"Write No" 38 Fx |
20/24 |
|
Polarity(ver/hor) |
13V/17V |
- |
21/25 |
|
|
Sat Position (A/B) |
(0/22 KHz) |
No mod/mod |
22/26 |
|
|
Option (A/B) |
- |
- |
23/27 |
|
圖二、位元表示。
Command:
Standby : E0 10 03
Port Select : E0 10 38 XX < XX. See Table>
