參數(shù)資料
型號(hào)： 73S8024RN-32IMR
廠商： TERIDIAN SEMICONDUCTOR CORP
元件分類： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, QCC32
封裝： QFN-32
文件頁(yè)數(shù)： 21/23頁(yè)
文件大?。?/td> 318K
代理商： 73S8024RN-32IMR
73S8024RN
Low Cost Smart Card Interface
DATA SHEET
Page: 7 of 23
2005 TERIDIAN Semiconductor Corporation
Rev 1.5
ACTIVATION SEQUENCE
The TERIDIAN 73S8024RN smart card interface IC has an internal 10ms delay at power on reset or on the
application of VDD > VDDF. No activation is allowed at this time. The CMDVCC (edge triggered) must then be set
low to activate the card. In order to initiate activation, the card must be present; there can be no over-
temperature fault or no VDD fault.
The following steps show the activation sequence and the timing of the card control signals when the system
controller sets
CMDVCC low while the RSTIN is low:
-
CMDVCC is set low.
-
Next, the internal VCC control circuit checks the presence of VCC at the end of t1. In normal operation,
the voltage VCC to the card becomes valid during t1. If VCC does not become valid, the OFF goes low
to report a fault to the system controller, and the power VCC to the card is shut off.
-
Turn I/O (AUX1, AUX2) to reception mode at the end of (t2).
-
CLK is applied to the card at the end of (t3).
-
RST is a copy of RSTIN after (t4). RSTIN may be set high before t4, however the sequencer won’t set
RST high until 42000 clock cycles after the start of CLK.
CMDVCC
VCC
I/O
CLK
RSTIN
t
1
t
2
t
3
t
4
RST
t1 = 0.510 ms (timing by 1.5MHz internal Oscillator)
t2 = 1.5s, I/O goes to reception state
t3 = >0.5s, CLK starts
t4 ≥ 42000 card clock cycles. Time for RST to become the copy of RSTIN
Figure 2: Activation Sequence – RSTIN low when
CMDVCC goes low
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
73S8024RN-32IMR/F 功能描述:IC SMART CARD INTERFACE 32-QFN RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A
73S8024RN-DB 功能描述:界面開發(fā)工具 73S8024RN Demo Brd RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
73S8024RN-IL 制造商:TERIDIAN 功能描述: 制造商:TDK 功能描述:SPECIALTY ANALOG CIRCUIT, 28 Pin Plastic SMT
73S8024RN-IL/F 功能描述:輸入/輸出控制器接口集成電路 Smart Card Interface ISO7816-3 & EVM4.0 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
73S8024RN-IL/F1 功能描述:輸入/輸出控制器接口集成電路 Smart Card Interface ISO7816-3 & EVM4.0 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
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