The 73S1210F contains a circuit to detect a low-voltag" />
參數(shù)資料
型號： 73S1210F-68MR/F/PG
廠商： Maxim Integrated
文件頁數(shù)： 6/126頁
文件大?。?/td> 0K
描述： IC SOC SMART CARD READER 68QFN
標準包裝： 2,500
系列： *
DS_1210F_001
73S1210F Data Sheet
Rev. 1.4
103
1.7.16 VDD Fault Detect Function
The 73S1210F contains a circuit to detect a low-voltage condition on the supply voltage VDD. If enabled,
it will deactivate the active internal smart card interface when VDD falls below the VDD Fault threshold. The
register configures the VDD Fault threshold for the nominal default of 2.3V* or a user selectable threshold.
The user’s code may load a different value using the FOVRVDDF bit = 1 after the power-up cycle has
completed.
VDDFault Control Register (VDDFCtl): 0xFFD4
0x00
Table 108: The VDDFCtl Register
MSB
LSB
–
FOVRVDDF VDDFLTEN
–
STXDAT.3
VDDFTH.2
VDDFTH.1
VDDFTH.0
Bit
Symbol
Function
VDDFCtl.7
–
VDDFCtl.6
FOVRVDDF
Setting this bit high will allow the VDDFLT(2:0) bits set in this register to control
the VDDFault threshold. When this bit is set low, the VDDFault threshold will
be set to the factory default setting of 2.3V*.
VDDFCtl.5
VDDFLTEN
Set = 1 will disable VDD Fault operation.
VDDFCtl.4
–
VDDFCtl.3
–
VDDFCtl.2
VDDFTH.2
VDD Fault Threshold.
Bit Value(2:0)
VDDFault Voltage
000
2.3 (nominal default)
001
2.4
010
2.5
011
2.6
100
2.7
101
2.8
110
2.9
111
3.0
VDDFCtl.1
VDDFTH.1
VDDFCtl.0
VDDFTH.0
* Note: The VDD Fault factory default can be set to any threshold as defined by bits VDDFTH(2:0). The
73S1210F has the capability to burn fuses at the factory to set the factory default to any of these
voltages. Contact Teridian for further details.
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相關代理商/技術參數(shù)
參數(shù)描述
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 安裝風格:SMD/SMT
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