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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： | 14/30页 |
| 文件大小： | 349K |
| 代理商： | 73S8009CN-32IMR/F |
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DS_8009CN_026
73S8009CN Data Sheet
Rev. 1.4
21
3.8
Chip Selection
The CS pin allows multiple circuits to operate in parallel, driven from the same host control bus. When
CS is high, the pins RSTIN,
CMDVCC%, CMDVCC# and CLKIN control the chip as described. The pins
I/OUC, AUX1UC, and AUX2UC have 11k
pull-up resistors and operate to transfer data to the smart card
via I/O, AUX1, and AUX2 when the smart card is activated. The signals
OFF and RDY have 20k pull-up
resistors.
When CS goes low, the states of the pins RSTIN,
CMDVCC%, CMDVCC, and CLKIN are latched and held
internally. The pull-up for pins I/OUC, AUX1UC, and AUX2UC become a very weak pull-up of
approximately 3 microamperes. No transfer of data is possible between I/OUC, AUX1UC, AUX2UC and
the smart-card signals I/O, AUX1, and AUX2. The signals
OFF and RDY are set to high impedance and
the internal pull-up resistors of 20k
are disconnected. With regard to de-activation, CS does not affect
the operation of the fault sensing circuits and card sense input. CS does not affect the action of SC/
USB.
CS
OFF, I/OUC,
AUX1UC, AUX2UC
CONTROL SIGNALS
FUNCTIONAL
HI-Z STATE
t
SL
t
DZ
t
IS
t
SI
t
ID
t
DI
Figure 8: CS Timing Definitions
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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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