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參數資料
| 型號： | 73S8009R-ILR |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO28 |
| 封裝： | SOP-28 |
| 文件頁數： | 8/23頁 |
| 文件大小： | 342K |
| 代理商： | 73S8009R-ILR |
73S8009R Data Sheet
DS_8009R_056
16
Rev. 1.3
Deactivation is initiated either by the system controller setting
CMDVCC#/CMDVCC% high, or
automatically in the event of hardware faults. Hardware faults are over-current, over-temperature and
card extraction during the session. The host can manage the I/O signals, CLKIN, RSTIN, and
CMDVCC#/CMDVCC% to create other de-activation sequences for non-emergency situations.
CMDVCC% or CMDVCC#
VCC
I/OUC
I/O
OFF
RSTIN
RST
CLKIN
CLK
1 - OFF falls due to card removal or fault
5 - VCC is lowered
Note: Host should set STROBE low when OFF goes low, otherwise CLK may be truncated
4 - I/O falls approx 2 s after CLK falls
~ 100 s
2 - RST forced low approx. 0.6 s after OFF falls
3 - CLK forced low approx. 7.5 s after RST falls
Figure 6: Deactivation Sequence
3.7
OFF and Fault Detection
The system controller can monitor the
OFF signal to:
Query regarding the card presence outside of a card session
Detect faults during card sessions.
Outside a Card Session
In this condition,
CMDVCC#/CMDVCC%) is always high, OFF is low if the card is not present and high if
the card is present. Because it is outside a card session, any fault detection will not act upon the
OFF
signal. No deactivation is required during this time.
During a Card Session
In this condition, CMDVCC#/CMDVCC% is always low and OFF falls low if the card is extracted or if any
fault is detected. At the same time that
OFF is set low, the sequencer automatically starts the
deactivation process and the host should stop all transition on the signal lines.
Figure 7 shows the timing diagram for the signals
CMDVCC#, CMDVCC%, PRES and OFF during a card
session and outside the card session.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 73S8009R-ILR/F | 功能描述:輸入/輸出控制器接口集成電路 Smart Card Interface IC RoHS:否 制造商:Silicon Labs 產品: 輸入/輸出端數量: 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 |
| 73S8009R-IM/F | 功能描述:輸入/輸出控制器接口集成電路 Smart Card Interface IC RoHS:否 制造商:Silicon Labs 產品: 輸入/輸出端數量: 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 |
| 73S8009R-IMR/F | 功能描述:輸入/輸出控制器接口集成電路 Smart Card Interface IC RoHS:否 制造商:Silicon Labs 產品: 輸入/輸出端數量: 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 |
| 73S8010C | 制造商:TERIDIAN 制造商全稱:TERIDIAN 功能描述:Smart Card Interface |
| 73S8010C-DB | 功能描述:界面開發工具 73S8010C Demo Brd RoHS:否 制造商:Bourns 產品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
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