RST7275-1 STMICROELECTRONICS | Alldatasheet
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This is preliminary information on a new product in development or undergoing evaluation. Details are subject to change without notice. R ST7275-1 8-BIT, 56-PIN MCU FOR MONITORS, WITH UP TO 60K ROM, 2K RAM, ADC, TIMER, IR, SYNC, PWM/BRM, DDC/DMA, I2C & SCI PRODUCT PREVIEW ■ User ROM/OTP/EPROM: up to 60 Kbytes ■ Data RAM: up to 2 Kbytes (256 bytes stack) ■ 8 MHz Maximum Internal Clock Frequency in fast mode, 4 MHz in normal mode ■ Run, Wait and Halt CPU modes ■ Sync Processor for Mode Recognition, power management and composite video blanking, clamping and free-running frequency generation. – Corrector mode – Analyzer mode ■ Fast I2C Multi Master Interface ■ DDC Bus Interface fully compliant with DDC1, 2B, 2B+, 2AB, 2Bi standards ■ 32 I/O lines – 8 Open Drain I/Os with high current capacity (10 mA) on port A – 5 lines programmable as interrupt inputs ■ 16-bit timer with 2 input captures and 2 output compare functions (with 1 output pin) ■ 8-bit Analog to Digital Converter with 8 channels on port B ■ 8 10-bit PWM/BRM Digital to Analog outputs ■ One 12-bit PWM/BRM Digital to Analog output ■ Asynchronous Serial Communications Interface ■ Infra red controller ■ Master Reset and Power on/off reset1 ■ Programmable Watchdog for system reliability ■ 56-pin Shrink Dual In line Plastic package ■ Fully static operation ■ 0 to + 70 oC operating temperature range ■ 4.0V to 5.5V supply operating range ■ 24 MHz Quartz Oscillator ■ 63 basic instructions/17 main address modes ■ 8x8 unsigned multiply instruction ■ True bit manipulation ■ Versatile Development Tools (DOS and Windows) including assembler, linker, C- compiler, archiver, source level debugger, EPROM programmer and hardware emulator Device Summary Note 1: Power On/Off reset not implemented in this revision. Features ST72751N9 ST72751N7 ST72751N6 ROM (bytes) 60K 48K 32K RAM (bytes) 2K 1.5 1 ADC 8 channels Timer 1 I 2C Bus one multimaster DDC/DMA yes Sync yes PWM 9 I/O 32 SCI yes IR yes EPROM Device ST72E751N9D1 OTP Device ST72T751N9B1 PSDIP56 See Ordering Information at the end of the Document
1 GENERAL DESCRIPTION
1.1 INTRODUCTION
erals for Monitor applications. dressing modes afford real programming potential. multiplication and indirect addressing modes. Figure 1. ST7275-1 Block Diagram
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without the express written approval of SGS-THOMSON Microelectronics. 1998 SGS-THOMSON Microelectronics - All Rights Reserved. Purchase of I2C Components by SGS-THOMSON Microelectronics conveys a license under the Philips I2C Patent. Rights to use these components in an I2C system is granted provided that the system conforms to the I2C Standard Specification as defined by Philips. SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.