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參數資料
| 型號： | 73S8023C-IMR |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, QCC32 |
| 封裝： | 5 X 5 MM, QFN-32 |
| 文件頁數： | 5/27頁 |
| 文件大?。?/td> | 389K |
| 代理商： | 73S8023C-IMR |
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DS_8023C_019
73S8023C Data Sheet
Rev. 1.5
13
Figure 5: Asynchronous Activation Sequence – RSTIN Low When
CMDVCC Goes Low
The following steps list the activation sequence and the timing of the card control signals when the
system controller pulls the
CMDVCC low while the RSTIN is high:
1.
CMDVCC is set low.
2.
Next, the internal VCC control circuit checks the presence of VCC at t1. In normal operation, the
voltage VCC to the card becomes valid during this time. If not, OFF goes low to report a fault to the
system controller, and the power VCC
3.
Due to the fall of RSTIN at t
to the card is turned off.
2
4.
CLK is applied to the card at the end of t
, turn I/O (AUX1, AUX2) to reception mode.
3
5.
RST is to be a copy of RSTIN after t
after I/O is in reception mode.
4. RSTIN may be set high before t 4, however the sequencer
won’t set RST high until 42000 clock cycles after the start of CLK.
CMDVCC
VCC
IO
CLK
RSTIN
t1
t2
t3
t4
RST
t1 = 0.510 ms (timing by 1.5MHz internal Oscillator)
t2 = 1.5s, I/O goes to reception state
t3 = > 0.5s, CLK active
t4
Figure 6: Asynchronous Activation Sequence – Timing Diagram #2
≥ 42000 card clock cycles. Time for RST to become the copy of RSTIN
CMDVCC
VCC
IO
CLK
RSTIN
t1
t2
t3
t4
RST
t1 = 0.510 ms (timing by 1.5 MHz internal Oscillator)
t2 = 1.5 s, I/O goes to reception state
t3
≥ 0.5 s, CLK starts
t4
≥ 42000 card clock cycles. Time for RST to become the copy of RSTIN
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 73S8023C-IMR/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 |
| 73S8023C-IMR/F1 | 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 |
| 73S8023C-IMR/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 |
| 73S8023C-IMR/F3 | 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 |
| 73S8024C-DB | 功能描述:界面開發(fā)工具 73S8024C 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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