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參數資料
| 型號： | DEM16216SYH-LY |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | DEM16216SYH-LY |
| 中文描述： | DEM16216SYH，黎 |
| 文件頁數： | 13/22頁 |
| 文件大?。?/td> | 257K |
| 代理商： | DEM16216SYH-LY |
DEM 16216 SYH-LY
10. INTERFACE WITH MPU IN BUS MODE
1)
Interface with 8-bit MPU
When interfacing data length are 8-bit, transfer is performed all at once through 8-ports, from DB0 to DB7.
An example of the timing sequence is shown below.
Product Specification
11
2)
When interfacing data length are 4-bit, only 4 ports, from DB4 to DB7, are used as data bus.
At first, higher 4-bit (in case of 8-bit bus mode, the contents of DB4 to DB7) are transferred, and then the lower 4-bit
(in case of 8-bit bus mode, the contents of DB0 to DB3) are transferred. So transfer is performed in two parts. Busy
flag outputs”1”after the second transfer are ended.
Example of timing sequence is shown below.
Interface with 4-bit MPU
RS
R/W
E
internal Singnal
DB7
internal Operation
Data
Data
Busy
Busy
No
Busy
instruction
Busy Flag
check
instruction
Busy Flag
check
Busy Flag
check
Figure 6.0 Example of 8-bit bus mode timing diagram
RS
R/W
E
internal Singnal
DB7
internal Operation
Busy
No
Busy
instruction
Busy Flag check
instruction
Busy Flag Check
Figure 7.0 Example of 4-bit bus mode timing
diagram
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| DEM16216SYH-PY | Display Elektronik GmbH |
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相關代理商/技術參數 |
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|---|---|
| DEM16216SYH-PY | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Display Elektronik GmbH |
| DEM16217SYH | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Display Elektronik GmbH |
| DEM20486 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD MODULE |
| DEM-25F | 制造商:Unicom 功能描述:ADAPTER DE-9 RECEPTACLE-RJ25 JACK 制造商:UNICOM GLOBAL SYSTEMS SOLUTIONS 功能描述:ADAPTER, DE-9 RECEPTACLE-RJ25 JACK 制造商:Unicom 功能描述:ADAPTER, DE-9 RECEPTACLE-RJ25 JACK; Connector Type:Adapter; Convert From Connector:Standard D Sub; Convert From Positions:9; Convert From Gender:Receptacle; Convert To Connector:RJ25; Convert To Positions:6; Convert To Gender:Jack ;RoHS Compliant: Yes |
| DEM-25M | 制造商:Unicom 功能描述:ADAPTER DE-9 PLUG-RJ25 JACK 制造商:Unicom 功能描述:ADAPTER, DE-9 PLUG-RJ25 JACK; Connector Type:Adapter; Convert From Connector:Standard D Sub; Convert From Positions:9; Convert From Gender:Plug; Convert To Connector:RJ25; Convert To Positions:6; Convert To Gender:Jack; Series:- ;RoHS Compliant: Yes |
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