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參數(shù)資料
| 型號(hào)： | SAF82525 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | Data Communications ICs |
| 中文描述： | 數(shù)據(jù)通信集成電路 |
| 文件頁數(shù)： | 29/126頁 |
| 文件大?。?/td> | 730K |
| 代理商： | SAF82525 |
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Semiconductor Group
29
82525
82526
82525
82526
SAB
SAB
SAF
SAF
The HSCX autonomously transmits S commands and S responses in the auto-mode. Either
transparent or
I
-frames can be transmitted by the user. The software timer has to be operated
in the internal timer mode to transmit
I
-frames. After the frame has been transmitted, the timer
is self-started, the XFIFO is inhibited, and the HSCX waits for the arrival of a positive
acknowledgement. This acknowledgement can be provided by means of an S- or
I
-frame.
Transmission of Frames
message has been acknowledged as positive (XPR interrupt)
message must be repeated (XMR interrupt)
response has not been received (TIN interrupt)
–
–
–
Transparent frames can be transmitted in all operating modes. After the transmission of a
transparent frame the XFIFO is immediately enabled, which is confirmed by interrupt (XPR).
In this case, time monitoring can be performed with the timer in the external timer mode.
Note:
The internal timer mode should only be used in the auto-mode.
Upon arrival of an RNR frame, the software timer is started and the status of the opposite
station is polled periodically after expiration of
t
1
, until the status "receive ready" has been
detected. The user is informed accordingly via interrupt. If no response is received after n1
times an interrupt will be generated (TIN interrupt). As a result, the process will be terminated
as illustrated in
figure 11
.
If no positive acknowledgement is received during time
t
1
, the HSCX transmits an S command
(p = 1), which must be followed by an S response (f = 1). If the S response is omitted, the
process is performed n1 times before it is terminated.
Upon the arrival of an acknowledgement or after the completion of this poll procedure the
XFIFO is enabled and an interrupt is forwarded to the
μ
C. Interrupts may be triggered by the
following:
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAB82525N | Data Communications ICs |
| SAB82526 | Data Communications ICs |
| SAB82526N | Data Communications ICs |
| SAF82525N | Data Communications ICs |
| SAF82526 | Data Communications ICs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAF82525HV2.2 | 制造商:Lantiq 功能描述: |
| SAF82525HV22XP | 制造商:Lantiq 功能描述:HSCX |
| SAF82525HV22XT | 制造商:Lantiq 功能描述:HSCX |
| SAF82525N | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Data Communications ICs |
| SAF82525NV2.1 | 制造商:Infineon Technologies AG 功能描述: |
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