STMicroelectronics ST7SCR1E4/ST7SCR1R4 8-bit MCU Datasheet

The ST7SCR1E4, ST7SCR1R4 is an 8-bit low-power, full-speed USB MCU from ST with 16KB of Flash and 768 bytes of RAM, smartcard interface and timer

Brand: STMicroelectronics
Category: microcontrollers
Document type: Datasheet
Language: English
Pages: 121
File format: PDF
File size: 1.1 MB
Published: 09 August, 2012
Updated: 30 September, 2023
Model: ST7SCR
MD5 checksum: CEEDB29209EDAFCCC74513B70CA32687
PDF: STMicroelectronics ST7SCR1E4/ST7SCR1R4 8-bit MCU Datasheet PDF

About this manual

This document is a production datasheet for the ST7SCR1E4 and ST7SCR1R4, which are 8-bit low-power microcontrollers designed for full-speed USB applications. These devices feature up to 16 Kbytes of ROM or High Density Flash (HDFlash) program memory and up to 768 bytes of RAM. Key capabilities include a smartcard interface with selectable voltage levels and an internal step-up converter, as well as a USB interface compliant with USB 2.0 specifications.

What's inside

Description
Pin description
Register and memory Map
Flash program memory
Central processing unit
Supply, reset and clock management
Interrupts
Power saving Modes
VO ports
On-chip peripherals

Specifications

Program Memory	Upto 16 Kbytes of ROM or High Density Flash
RAM	Up to 768 bytes
USB Interface	Full speed compliant with USB 2.0
Clock Generation	48 MHz USB clock using a 4 MHz crystal
Smartcard Voltage	Selectable 1.8V, 3V, and 5V
LED Outputs	Upto 4LED outputs

Frequently asked questions

What is the maximum program memory size?

The device supports up to 16 Kbytes of ROM or High Density Flash program memory.

Does the MCU support USB 2.0?

Yes, the USB interface is compliant with the USB 2.0 specification.

What smartcard voltages are supported?

The smartcard interface supports selectable voltages of 1.8V, 3V, and 5V.

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