CPU water card

CPU water card is also called CPU smart card. Its main chip is CPU chip, whose main function is to store value and consume. It is a water card used more frequently in schools. Also called hot water card, water purchase card, water meter card.

Water cards are commonly used in payment cards for tap water users. Currently, IC chip water cards are more common. In recent years, the large capacity and fast reading performance of the CPU chip water card has gradually made the CPU water card a new favorite.

The CPU water card is suitable for middle schools, university campuses and some large factories. It can be used to get hot water, bathing, etc. at the pointing place, and it is convenient to use. A single water card can be customized, or a one-card pass can be customized. One-card pass can serve as a meal card, water card, or as a student card in the school.

FM1208-259 CPU smart water card

Main features of CPU water card:

◎Communication protocol: ISO 14443-A

◎MCU instruction compatible with 8051

◎Support 106Kbps data transfer rate

◎Triple-DES coprocessor

◎Program memory 32Kx8bit ROM

◎Data memory 8Kx8bit EEPROM

◎256x8bit iRAM

◎384x8bitx RAM

◎Low voltage detection reset

◎High and low frequency detection reset

◎EEPROM meets 100,000 erasing and writing targets

◎EEPROM meets the 10-year data retention index

Typical processing time:

◆Identify a card in 3ms (including response to reset and anti-collision)

◆EEPROM erasing time 2.4ms

◆Typical transaction process <350ms

RZX Technology supplies smart water cards, CPU water cards, water meter user cards, meter user cards, campus hot water cards, etc., and undertakes non-standard customization of CPU water cards, brand card manufacturers for more than ten years, package design, fast shipping, Large quantities and small quantities can be customized, please call for details.