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参数资料
| 型号： | 73S8009CN-32IMR/F |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, QCC32 |
| 封装： | 5 X 5 MM, ROHS COMPLIANT, QFN-32 |
| 文件页数： | 13/30页 |
| 文件大小： | 349K |
| 代理商： | 73S8009CN-32IMR/F |
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73S8009CN Data Sheet
DS_8009CN_026
20
Rev. 1.4
CMDVCC
RS T
CLK
I/O
VCC_ON
V CC
t1
t2
t3
t4
t5
Figure 6: Deactivation Sequence
3.7
OFF and Fault Detection
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 (#/%) 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, no fault detection can occur
and it will not act upon the
OFF signal. No deactivation is required during this time.
During a card session:
CMDVCC# and/or CMDVCC% is 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 and the host should stop all transitions on the signal lines.
Figure 4 shows the timing diagram for the signals
CMDVCC (#/%), PRES, and OFF during a card session
and outside the card session.
PRES
OFF
CMDVCC
VCC
out side card session
wit hin card session
OFF is low by
card ext ract ed
OFF is low by
any f ault
wit hin card
session
Figure 7:
OFF Activity
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 73S8009CN-DB | 功能描述:界面开发工具 73S8009CN Demo Brd RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| 73S8009R | 制造商:TERIDIAN 制造商全称:TERIDIAN 功能描述:Low Cost Versatile Smart Card Interface |
| 73S8009R-DB | 功能描述:界面开发工具 73S8009R Demo Brd RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| 73S8009R-IL/F | 功能描述:输入/输出控制器接口集成电路 Smart Card Interface IC RoHS:否 制造商:Silicon Labs 产品: 输入/输出端数量: 工作电源电压: 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-64 封装:Tray |
| 73S8009R-ILR/F | 功能描述:输入/输出控制器接口集成电路 Smart Card Interface IC RoHS:否 制造商:Silicon Labs 产品: 输入/输出端数量: 工作电源电压: 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-64 封装:Tray |
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