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參數(shù)資料
| 型號： | 73S1210F-68MR/F/PG |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 98/126頁 |
| 文件大小： | 0K |
| 描述： | IC SOC SMART CARD READER 68QFN |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | * |
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DS_1210F_001
73S1210F Data Sheet
Rev. 1.4
73
Figure 16: Asynchronous Activation Sequence Timing
VCC
IO
RST
CLK
t1
t2
t3
t4
t5
Firmware sets
VCCSEL to 00
CMDVCCnB
t5 delay or
Card Event
t1: Time after either a “card event” occurs or firmware sets the VCCSela and VCCSelb bits to 0
(see t5, VCCOff_tmr) occurs until RST is asserted low.
t2: Time after RST goes low until CLK stops.
t3: Time after CLK stops until IO goes low.
t4: Time after IO goes low until VCC is powered down.
t5: Delayed VCC off time (in ETUs per VCCOff_tmr bits). Only in effect due to firmware
deactivation.
Figure 17: Deactivation Sequence
1.7.15.3
Data Reception/Transmission
When a 12Mhz crystal is used, the smart card UART will generate a 3.69Mhz (default) clock to both
smart card interfaces. This will allow approximately 9600bps (1/ETU) communication during ATR (ISO
7816 default). As part of the PPS negotiation between the smart card and the reader, the firmware may
determine that the smart card parameters F & D may be changed. After this negotiation, the firmware
may change the ETU by writing to the SFR FDReg to adjust the ETU and CLK. The firmware may also
change the smart card clock frequency by writing to the SFR SCCLK (SCECLK for external interface).
Independent clock frequency control is provided to each smart card interface. Clock stop high or Clock
stop low is supported in asynchronous mode. Figure 18 shows the ETU and CLK control circuits. The
firmware determines when clock stop is supported by the smart card and when it is appropriate to go into
that mode (and when to come out of it). The smart card UART is clocked by the same clock that is
provided to the selected smart card. The transition between smart card clocks is handled in hardware to
eliminate any glitches for the UART during switchover. The external smart card clock is not affected
when switching the UART to communicate with the internal smart card.
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參數(shù)描述 |
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| 73S1210F-EB | 功能描述:開發(fā)板和工具包 - 8051 73S1210F Eval Brd (Doc. Cd, Cable) RoHS:否 制造商:Silicon Labs 產(chǎn)品:Development Kits 工具用于評估:C8051F960, Si7005 核心: 接口類型:USB 工作電源電壓: |
| 73S1210F-EB-Lite | 功能描述:開發(fā)板和工具包 - 8051 73S1210F Eval Brd Lite w/Doc Cd, Cable RoHS:否 制造商:Silicon Labs 產(chǎn)品:Development Kits 工具用于評估:C8051F960, Si7005 核心: 接口類型:USB 工作電源電壓: |
| 73S1210F-EB-LiteMS | 功能描述:開發(fā)板和工具包 - 8051 73S1210F Eval Brd Lite + Multi Sam RoHS:否 制造商:Silicon Labs 產(chǎn)品:Development Kits 工具用于評估:C8051F960, Si7005 核心: 接口類型:USB 工作電源電壓: |
| 73S1215F | 制造商:TERIDIAN 制造商全稱:TERIDIAN 功能描述:80515 System-on-Chip with USB, ISO 7816 / EMV, PINpad and More |
| 73S1215F-44IM/F | 功能描述:8位微控制器 -MCU 80515 SoC w/USB & PINpad RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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