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UPSD3234BV-24U6T Datasheet(PDF) 7 Page - STMicroelectronics |
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UPSD3234BV-24U6T Datasheet(HTML) 7 Page - STMicroelectronics |
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7 / 170 page  7/170 uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV SUMMARY DESCRIPTION The uPSD323x Series combines a fast 8051- based microcontroller with a flexible memory structure, programmable logic, and a rich periph- eral mix including USB, to form an ideal embedded controller. At its core is an industry-standard 8032 MCU operating up to 40MHz. A JTAG serial interface is used for In-System Pro- gramming (ISP) in as little as 10 seconds, perfect for manufacturing and lab development. The USB 1.1 low-speed interface has one Control endpoint and two Interrupt endpoints suitable for HID class drivers. The 8032 core is coupled to Programmable Sys- tem Device (PSD) architecture to optimize the 8032 memory structure, offering two independent banks of Flash memory that can be placed at vir- tually any address within 8032 program or data ad- dress space, and easily paged beyond 64K bytes using on-chip programmable decode logic. Dual Flash memory banks provide a robust solu- tion for remote product updates in the field through In-Application Programming (IAP). Dual Flash banks also support EEPROM emulation, eliminat- ing the need for external EEPROM chips. General purpose programmable logic (PLD) is in- cluded to build an endless variety of glue-logic, saving external logic devices. The PLD is config- ured using the software development tool, PSD- soft Express, available from the web at www.st.com/psm, at no charge. The uPSD323x also includes supervisor functions such as a programmable watchdog timer and low- voltage reset. Figure 2. Block Diagram PA0:7 PB0:7 PD1:2 PC0:7 MCU Bus P4.0:7 P1.0:7 P3.0:7 uPSD323x Dedicated Pins Supervisor: Watchdog and Low-Voltage Reset 1st Flash Memory: 128K or 256K Bytes 2nd Flash Memory: 32K Bytes SRAM: 8K Bytes Programmable Decode and Page Logic General Purpose Programmable Logic, 16 Macrocells (8) GPIO, Port A (80-pin only) (8) GPIO, Port B (4) GPIO, Port C (2) GPIO, Port D JTAG ISP 8032 Address/Data/Control Bus (80-pin device only) V CC, VDD, GND, Reset, Crystal In 8032 MCU Core (3) 16-bit Timer/ Counters (2) External Interrupts I 2C (4) 8-bit ADC UART0 (8) GPIO, Port 1 (8) GPIO, Port 3 (8) GPIO, Port 4 UART1 (5) 8-bit PWM AI10429 USB+, USB– USB v1.1 |
Similar Part No. - UPSD3234BV-24U6T |
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