CN203644135U - Pos equipment capable of reading and writing cell phone SIM card - Google Patents

Abstract

Pos equipment capable of reading and writing cell phone SIM card, with functions of swiping both cell phone SIM card and common IC cards, , includes a microprocessor, a power circuit, memory connection circuits, a keyboard module circuit, an induction antenna and a read-write circuit, a cell phone SIM card radio frequency communication module and an Ethernet module. The induction antenna and the read-write circuit include a non-contact integration read-write chip MFR522 and a MFR 522 type antenna. The cell phone SIM card radio frequency communication module SHNM 100 is/belongs to a radio frequency card communication module with a 2.4 GHz frequency band. Data is accessed to the Ethernet after voltage transformation of the data is performed by the Ethernet module of the Pos equipment. The memory connection circuits include a FLASH connection circuit, a SDRAM connection circuit, a SRAM connection circuit and a CUP connection circuit. The FLASH connection circuit, the SDRAM connection circuit, the SRAM connection circuit and the CUP connection circuit are respectively used for storing stored programs, system buffer memories and user consumption records. The Pos equipment enables consumption by swiping cell phone SIM cards and IC cards, and has payment functions by mobile phones.

Description

Mobile phone card read-write Pos machine

Technical field

The utility model patent relates to a kind of payment Pos machine design that can mobile phone card-brushing, can be for the up-to-date communications band 2.4GHZ of mobile phone radio frequency card RF_SIM technology and Unionpay's specified standard two kinds of radio-frequency cards of IC-card of 13.56MHZ frequently, for the consumption of Pos machine bankcard consumption especially mobile phone card-brushing provides support.

Background technology

If traditional Pos owner is the bankcard consumption of the IC-card of 13.56MHZ for common frequency range, it is very general that IC-card is consumed in real-life application, as the application system of Eatery Consumption, bus card-reading and need transmission data.IC-card, for paying, bring convenience to people's lives, but in existing situation, traditional radio-frequency (RF) IC card exists storage space little, and moving-limiting pays the shortcoming of multi-field business integration.Requirement for mobile payment to radio frequency card safety, storage space, space planning, the compatible Pos machine of supporting mobile phone card-brushing consumption has very big market.

The communications band of mobile phone radio frequency card RF_SIM technology is 2.4GHZ, there is the advantages such as in-plant read-write and high read or write speed, and radio frequency _ SIM card can be replaced traditional SIM cards of mobile phones, retaining on the basis of original phone number, increase electronic purse function newly.For the trend of mobile payment, people are tending towards finding a kind of consumption pattern of convenient, safe, practical, speed, and novel Pos machine is take embedded system ARM as core, and processing speed is fast, it is low to consume energy, and integrated functionality is powerful; Realize 13.56MHZ and 2.4GHZ frequency band double-frequency are swiped the card.Novel Pos machine is widely used in fields such as finance, public transport, mobile-phone payment, consumption and payments, and the effect of swiping the card of the IC-card of compatible common frequency range.

Summary of the invention

The utility model will overcome existing POS machine brushing card device can not dual-purpose IC-card swipes the card and the shortcoming of mobile phone card-brushing, provides a kind of a kind of Pos machine that mobile phone card-brushing, common IC-card are swiped the card of taking into account can be provided simultaneously, can realize the safe bankcard consumption of double frequency.

This patent solves the technical scheme that its technical matters adopts:

Mobile phone card read-write Pos machine, comprises power circuit, storer connecting circuit, Keysheet module circuit, IC-card card reading module and the induction antenna, the Mobile phone card radio-frequency card communication module that are connected with microprocessor; Ethernet module, display module circuit, wherein,

Described microprocessor CPU comprises 16/32 risc processor S3C44B0X based on ARM system, is 32 bit instruction systems, has clock generator on sheet;

Comprise+5V of described power circuit power supply produces circuit ,+3.3V and+2.5V produces circuit;

Described storer connecting circuit comprises FLASH, the SDRAM, SRAM and the CPU connecting circuit that are respectively used to storage program, system cache and customer consumption record;

Described Keysheet module circuit comprises keyboard matrix circuit and keyboard scanning circuit, the matrix circuit connecting key disk controller (P89LP940) of button below, keyboard controller (P89LP940) connects microprocessor CPU, and keyboard scanning circuit connects microprocessor CPU;

Described IC-card card reading module and induction antenna comprise contactless integrated read-write chip MFR522, MFR522 type antenna, described contactless integrated read-write chip MFR522 connects microprocessor CPU by simulation SPI interface, MFR522 pin TX1, TX2, TVSS connects induction antenna;

Described mobile phone radio frequency module SHNM100 is the radio-frequency card communication module that uses 2.4GHz frequency range;

It is characterized in that: on described microprocessor CPU, be also connected with mobile phone card reading module, described mobile phone card reading module adopts 2.4GHz module for reading and writing SNHM100, and described communication module SHNM100 is the radio-frequency card communication module that uses 2.4GHz frequency range.

Further, described+5V power supply produces circuit, IC100(LM3658) charging chip, while connecing external power, can be battery charging; IC104(LM3224) no matter adjust chip for voltage, be extraneous Power supply or powered battery, output voltage adjusted to+5V, produce pos owner plate required+5V power supply.+ 3.3V and+2.5V produces circuit ,+3.3(VDD) voltage exported by IC103, its input voltage is+5V ,+2.5V(VDD_CPU, VDDADC) exported by IC102.

The art of this patent is contemplated that: Pos machine by ethernet module by data access network based on ethernet after transformation, power circuit can charge to pos machine by extraneous power supply and power supply is provided, MFR522, SHNM100 communication module detect application apparatus simultaneously and exist, identify radio-frequency card type by card reader software according to communication standard protocol, interactive command clause and card application data information.This patent adopt 16/32 risc processor S3C44B0X of ARM system realize to communication module control, data transmission, information processing, and can carry out respectively data demonstration and data manipulation by interface module, Keysheet module.

The form of swiping the card is made as to IC-card and two kinds of forms of Mobile phone card, two kinds of card reading module and induction antenna are integrated on same pcb board, effectively reduce the large small size of card reader, reduce costs and make simple in structure, and effective reduced data processing procedure and complexity, increase system reliability.Rationally arranging of the read/write circuit of the utility model patent to many Card Types and antenna, effectively controls sensitivity and the signal annoyance level of read-write.The driver of Pos machine makes CPU realize its function to integrated chip by certain sequential.

The beneficial effect of the utility model patent is mainly reflected in: 1.Pos machine is supported mobile phone card-brushing and IC-card bankcard consumption, easily realizes cell phone payment function.2. the read/write circuit of 13.56MHz and 2.4GHz card reading module and induction antenna are integrated on same pcb board, can read and write the radio-frequency card of 13.56MHz and 2.4GHz frequency range simultaneously, reduce costs and make simple in structure, and effective reduced data processing procedure and complexity, increase system reliability.3. rationally arranging of the read/write circuit of this patent to two kinds of frequency ranges and antenna, effectively improves sensitivity and the signal annoyance level of read-write.

Accompanying drawing explanation

Fig. 1 is the circuit function schematic diagram of the utility model Patent equipment.

Fig. 2 is generation+3.3V ,+2.5V power circuit diagram of the utility model Patent equipment.、

Fig. 3 is the utility model Patent equipment generation+5V power circuit diagram.

Fig. 4 is the connecting circuit of FLASH and the CPU of the utility model Patent equipment.

Fig. 5 is the keyboard scanning circuit of the utility model Patent equipment.

Fig. 6 is the IC-card card reading module circuit diagram of the utility model Patent equipment.

Fig. 7 is the Mobile phone card radio frequency module circuit figure of the utility model Patent equipment.

Embodiment

Below in conjunction with accompanying drawing, the utility model patent is further described.

With reference to Fig. 1～Fig. 7, Mobile phone card read-write Pos machine, comprise power circuit, storer connecting circuit, Keysheet module circuit, IC-card card reading module and the induction antenna, mobile phone radio frequency module, ethernet module, the display module circuit that are connected with microprocessor, wherein

Described microprocessor CPU comprises 16/32 risc processor S3C44B0X based on ARM system, is 32 bit instruction systems, has clock generator on sheet;

Comprise+5V of described power circuit power supply produces circuit ,+3.3V and+2.5V produces circuit;

Described storer connecting circuit comprises FLASH, the SDRAM, SRAM and the CPU connecting circuit that are respectively used to storage program, system cache and customer consumption record;

Described Keysheet module circuit comprises keyboard matrix circuit and keyboard scanning circuit, the matrix circuit connecting key disk controller (P89LP940) of button below, keyboard controller (P89LP940) connects microprocessor CPU, and keyboard scanning circuit connects microprocessor CPU;

Described IC-card card reading module and induction antenna comprise contactless integrated read-write chip MFR522, MFR522 type antenna, described contactless integrated read-write chip MFR522 connects microprocessor CPU by simulation SPI interface, MFR522 pin TX1, TX2, TVSS connects induction antenna;

Described mobile phone radio frequency module SHNM100 is the radio-frequency card communication module that uses 2.4GHz frequency range;

It is characterized in that: on described microprocessor CPU, be also connected with mobile phone card reading module, described mobile phone card reading module adopts 2.4GHz module for reading and writing SNHM100, and described communication module SHNM100 is the radio-frequency card communication module that uses 2.4GHz frequency range.

Referring to Fig. 1, the utility model patent circuit function schematic diagram.Pos machine that can mobile phone card-brushing, comprises power circuit, storer connecting circuit, Keysheet module circuit, induction antenna and read/write circuit, mobile phone radio frequency circuit, ethernet module circuit.Adopt 16/32 risc processor S3C44B0X of ARM system realize to communication module control, data transmission, information processing, and can carry out respectively data demonstration and data manipulation by interface module, Keysheet module.By ethernet module by data access network based on ethernet after transformation, power circuit can charge to Pos machine by extraneous power supply and power supply is provided, MFR522, SHNM100 communication module detect application apparatus simultaneously and exist, identify radio-frequency card type by card reader software according to communication standard protocol, interactive command clause and card application data information.Described induction antenna and read/write circuit comprise contactless integrated read-write chip MFR522, MFR522 type radio-frequency antenna, 2.4GHz module for reading and writing SNHM100.

Referring to Fig. 2, Fig. 3, comprise+5V of power circuit power supply produces circuit ,+3.3V and+2.5V produces circuit.Described+5V power supply generation circuit, IC100(LM3658) charging chip, while connecing external power, can be battery charging; IC104(LM3224) for voltage is adjusted chip, no matter be extraneous Power supply or powered battery, output voltage is adjusted to+5V, produce Pos owner plate required+5V power supply, the working power VGEN of LM3658 needs T104 conducting to produce, the signal of controlling T104 conducting is external key, and what controller ended is CPU output signal, by external key and the CPU startup and shutdown of control system respectively.+ 3.3V and+2.5V produces circuit ,+3.3(VDD) voltage exported by IC103, its input voltage is+5V, + 2.5V(VDD_CPU, VDDADC) exported by IC102, but by T102 and T105, i.e. T105 conducting after generation+3.3V, produces in+3.3V after make+2.5V.System first produces the supply voltage of CPU IO, then produces the core voltage of CPU, guarantees that CPU can misoperation in the time starting.

Referring to Fig. 4, FLASH selects AM29LV160D, and memory span is 2M x8-Bit/1M x16-Bit, and in the design, data width is 16, the NEW position write control signal in figure, and NOE is control signal, NGCSO is for selecting signal.SRAM selects BS62LV1603, and memory capacity is 2MX8bit, and DRAM selects HY57V641620HG, and memory capacity is 4Bx1M x16Bit, and CPU is by the read-write of the signal controlling storeies such as address wire, data line and read-write control.

Referring to Fig. 5,4 vertical lines of matrix keyboard first connect P0.0～P0.3 of P89LPC940, x wire connects P2.0～P2.4 of P89LPC940, " ON " key is connected with CPU, directly controlled by CPU, P2.0～P2.4 of P89LPC940 is with certain hour interval output low level in turn, and to only have at one time a line be low level; P0.0～P0.3 is delivery outlet, connects+3.3V after pull-up resistor, and whether the row that the height of the level reading from P0.0～P0.3 can be judged P2.0～P2.4 connection has button to press, if having, related key information exchange is crossed to I2C data line and delivers to CPU.There is button send keypad sounds by the next hummer that allows, also can close hummer.

Referring to Fig. 6, induction antenna and read/write circuit comprise contactless integrated read-write chip MFR522, MFR522 type radio-frequency antenna, and Fig. 7 represents 2.4GHz module for reading and writing SNHM100 and PSAM interface.The described ISO14443 agreement read-write card module MFR522 that meets, carries out serial data communication by simulation SPI interface and microprocessor.MFR522 chip pin TX1, TX2, TVSS link block read-write antenna, drives reading and writing device antenna and ISO14443A type card.Described communication module SHNM100 is the radio-frequency card communication module that uses 2.4GHz frequency range, is connected, for the original application of compatibility 2.4GHz RF Signal by SHNM100 serial ports pin with microprocessor serial ports 2.

Claims (1)

1. Mobile phone card read-write Pos machine, comprises power circuit, storer connecting circuit, Keysheet module circuit, IC-card card reading module and the induction antenna, Mobile phone card radio-frequency communication module, ethernet module, the display module circuit that are connected with microprocessor;

Described microprocessor CPU comprises 16/32 risc processor S3C44B0X based on ARM system, is 32 bit instruction systems, has clock generator on sheet;

Comprise+5V of described power circuit power supply produces circuit ,+3.3V and+2.5V produces circuit;

Described storer connecting circuit comprises FLASH, the SDRAM, SRAM and the CPU connecting circuit that are respectively used to storage, system cache and customer consumption record;

Described Keysheet module circuit comprises keyboard matrix circuit and keyboard scanning circuit, the matrix circuit connecting key disk controller P89LP940 of button below, and keyboard controller P89LP940 connects microprocessor CPU, and keyboard scanning circuit connects microprocessor CPU;

Described IC-card card reading module and induction antenna comprise contactless integrated read-write chip MFR522, MFR522 type antenna, described contactless integrated read-write chip MFR522 connects microprocessor CPU by simulation SPI interface, MFR522 pin (TX1), pin (TX2), pin (TVSS) connects induction antenna;

It is characterized in that: on described microprocessor CPU, be also connected with mobile phone card reading module, described mobile phone card reading module adopts 2.4GHz module for reading and writing SNHM100, and described communication module SHNM100 is the radio-frequency card communication module that uses 2.4GHz frequency range.

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