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參數(shù)資料
| 型號： | SAB82525H |
| 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)： | 40/126頁 |
| 文件大小： | 730K |
| 代理商： | SAB82525H |
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Semiconductor Group
40
SAB 82525
SAB 82526
SAF 82525
SAF 82526
Five interrupt indications can be read directly from the ISTA register and another six interrupt
indications from the extended interrupt register (EXIR).
After the HSCX has requested an interrupt by setting its INT pin to low, the CPU must first read
the interrupt status register of channel B (ISTA-B) in the associated interrupt service routine.
The three lowest order bits (bit 2-0) of ISTA-B (ICA, EXA, EXB) point are set to those registers
in which the actual interrupt source is indicated. It is possible that several interrupt sources are
indicated referring to one interrupt request (e.g. if the ICA bit is set, at least one interrupt is
indicated in the ISTA register of channel A).
An interrupt source from channel B is implicitly indicated by bits 7-3 of ISTA-B; therefore these
bits must also always be checked.
The INT pin of the HSCX remains active until all interrupt sources are cleared by reading the
corresponding interrupt register. Therefore it is possible that the INT pin is still active when the
interrupt service routine is finished.
For some interrupt controllers or CPUs it might be necessary to generate a new edge on the
interrupt line to recognize pending interrupts. This can be done by masking all interrupts at the
end of the interrupt service routine (writing FF
H
into the MASK register) and write back the old
mask to the MASK register.
The HSCX interrupt sources can be logically grouped into
– receive interrupts,
– transmit interrupts, and
– special condition interrupts.
Each interrupt indication of the ISTA registers can be selectively masked by setting the
respective bit in the MASK register.
The following tables give a complete overview of the individual interrupt indications and the
cause of their activation as well as specific restrictions (marked with ’’*’’
).
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PDF描述 |
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| SAF82532H-10 | ICs for Communications |
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| SAB82532H | ICs for Communications |
| SAB82532N | ICs for Communications |
| SAB82532N-10 | ICs for Communications |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SAB82525HV2.1 | 制造商:Infineon Technologies AG 功能描述:PROTOCOL CONTROLLER, 44 Pin, QFP 制造商:Siemens 功能描述:PROTOCOL CONTROLLER, 44 Pin, QFP |
| SAB82525HV2.2 | 功能描述:輸入/輸出控制器接口集成電路 T/E RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| SAB82525H-V21 | 功能描述:IC CONTROLLER SERIAL 44-MQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應商設備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A |
| SAB82525HV21DHSCX | 制造商:Infineon Technologies AG 功能描述: |
| SAB82525HV22 | 制造商:Infineon Technologies AG 功能描述: |
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