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參數(shù)資料
| 型號： | 73S8014R-ILR/F |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO20 |
| 封裝： | ROHS COMPLIANT, SOP-20 |
| 文件頁數(shù)： | 13/29頁 |
| 文件大小： | 375K |
| 代理商： | 73S8014R-ILR/F |
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73S8014R Data Sheet
DS_8014R_012
20
Rev. 1.0
3.8
Fault Detection and OFF
There are two different cases that the system controller can monitor the
OFF signal: to query regarding the card
presence outside card sessions, or for fault detection during card sessions.
Outside a card session: In this condition,
CMDVCC is/are 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:
CMDVCC is/are always low, and OFF falls low if the card is extracted or if any fault
detection is detected. At the same time that
OFF is set low, the sequencer starts the deactivation process.
Figure 7 shows the timing diagram for the signals
CMDVCC, PRES, and OFF during a card session and outside
the card session:
e
the card session:
PRES
OFF
CMDVCC
VCC
PRES
OFF
CMDVCC
VCC
outside card session
within card session
OFFis lowby
card extracted
OFFis lowby
anyfault
within card
session
Figure 7: Timing Diagram – Management of the Interrupt Line
OFF
3.9
I/O Circuitry and Timing
The state of the I/O pin is low after power on reset and it goes high when the activation sequencer turns on the
I/O reception state. See the Activation Sequence section for details on when the I/O reception is enabled. The
state of I/OUC is high after power on reset.
Within a card session and when the I/O reception state is turned on, the first I/O line on which a falling edge is
detected becomes the input I/O line and the other becomes the output I/O line. When the input I/O line rising
edge is detected then both I/O lines return to their neutral state.
Figure 8 shows the state diagram of how the I/O and I/OUC lines are managed to become input or output. The
delay between the I/O signals is shown in Figure 9.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 73S8014RN | 制造商:TERIDIAN 制造商全稱:TERIDIAN 功能描述:Smart Card Interface |
| 73S8014RN-DB | 功能描述:界面開發(fā)工具 73S8014RRN/RT Demo Brd RoHS:否 制造商:Bourns 產(chǎn)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 |
| 73S8014RN-IL/F | 功能描述:輸入/輸出控制器接口集成電路 Smart Card Interface Comp w/8024 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 |
| 73S8014RN-IL/F1 | 功能描述:輸入/輸出控制器接口集成電路 Smart Card Interface Comp w/8024 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 |
| 73S8014RN-IL/F2 | 功能描述:輸入/輸出控制器接口集成電路 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 |
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