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ST7GEME4 数据表(PDF) 5 Page - STMicroelectronics

部件名 ST7GEME4
功能描述  Full-speed USB MCU with smartcard firmware and EMV/non-EMV interface
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7GEME4 数据表(HTML) 5 Page - STMicroelectronics

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ST7GEME4
Introduction
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1
Introduction
The ST7GEME4 device is a member of the ST7 microcontroller family designed for USB
applications. All devices are based on a common industry-standard 8-bit core, featuring an
enhanced instruction set.
The ST7GEME4 is factory-programmed ROM devices and as such are not
reprogrammable.
It operates at a 4 MHz external oscillator frequency.
Under software control, all devices can be placed in Halt mode, reducing power
consumption when the application is in idle or stand-by state.
The enhanced instruction set and addressing modes of the ST7 offer both power and
flexibility to software developers, enabling the design of highly efficient and compact
application code. In addition to standard 8-bit data management, all ST7 microcontrollers
feature true bit manipulation, 8x8 unsigned multiplication and indirect addressing modes.
The ST7GEME4 includes an ST7 Core, up to 16 Kbytes of program memory, up to 512
bytes of user RAM and the following on-chip peripherals:
USB full speed interface with 7 endpoints, programmable in/out configuration and
embedded 3.3 V voltage regulator and transceivers (no external components are
needed).
ISO 7816-3 UART interface with programmable baud rate from 372 clock pulses up to
11.625 clock pulses
Smartcard supply block able to provide programmable supply voltage and I/O voltage
levels to the smartcards
Low voltage reset ensuring proper power-on or power-off of the device (selectable by
option)
8-bit timer (TBU)


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