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ST10F276, ST10F273
16-bit MCU with MAC unit, up to 832 Kbytes Flash memory and up to 68 Kbytes RAM
DATA BRIEF
High performance 64 MHz CPU with DSP functions
- 16-bit CPU with 4-stage pipeline - 31.25ns instruction cycle time at 64 MHz max. CPU clock - Multiply/accumulate unit (MAC) 16 x 16-bit multiplication, 40-bit accumulator - Repeat unit - Enhanced boolean bit manipulation facilities - Additional instructions to support HLL and operating systems - Single-cycle context switching support Memory organization - 512 Kbytes on-chip flash memory single voltage with erase/program controller (full performance, 32-bit fetch) - Up to 320 Kbytes on-chip extension flash memory single voltage with erase/program controller (XBUS performance, 16-bit fetch) - 100K erasing/programming cycles. - Up to 16 Mbytes linear address space for code and data (5m bytes with CAN or I2C) - 2 Kbytes on-chip internal RAM (IRAM) - Up to 66 Kbytes on-chip extension RAM (XRAM) Fast and flexible bus - Programmable external bus characteristics for different address ranges - 8-bit or 16-bit external data bus - Multiplexed or demultiplexed external address/data buses - Five programmable chip-select signals - Hold-acknowledge bus arbitration support Interrupt - 8-Channel peripheral event controller for single cycle interrupt driven data transfer - 16-Priority-level interrupt system with 56 sources, sampling rate down to 15.6ns Timers - Two multi-functional general purpose timer units with 5 timers
PQFP144 (28 x 28 x 3.4mm) TQFP144 (20 x 20 x 1.4mm)

Two 16-channel capture / compare units A/D converter
- 24 channels with 10-bit resolution - 3s minimum conversion time 4-channel PWM unit + 4-channel XPWM
Serial channels
- Two synch. / asynch. serial channels - Two high-speed synchronous channels - I2C standard interface - Two CAN 2.0B interfaces operating on one or two CAN busses (64 or 2x32 message objects, C-CAN version) Fail-safe protection - Programmable watchdog timer - Oscillator watchdog On-chip bootstrap loader
Clock generation
- On-chip 4-12 MHz main oscillator - On-chip PLL - Direct or prescaled clock input Real time clock and 32 kHz on-chip oscillator
Up to 111 general purpose I/O lines - Individually programmable as input, output or special function - Programmable threshold (hysteresis) - Idle, Power down and Stand-by modes - Single voltage supply: 5V 10% (embedded regulator for 1.8V core supply)
Rev 1 1/4
4
July 2005
For further information contact your local ST sales office.
Ordering information
ST10F276, ST10F273
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Ordering information
Table 1. Ordering information
Iflash 512KB 512KB 512KB 512KB Xflash 320KB 320KB No No RAM 68KB 68KB 32KB 32KB Temperature range 40/+125 40/+125 40/+125 40/+125 Package PQFP144 TQFP144 PQFP144 TQFP144
Part Number ST10F276Z5Q3 ST10F276Z5T3 ST10F273Z4Q3 ST10F273Z4T3
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ST10F276/ST10F273 compatibility
The only differences between ST10F276 and ST10F273 devices are the embedded Flash and RAM resources: Flash Memory: ST10F276 includes 832 Kbytes of on-chip single voltage Flash divided into four banks allowing for Read-While-Write Operation. Two banks are mapped on the internal 32bit bus (IFLASH) and the two others are mapped on 16-bit XBUS (XFLASH).
In ST10F273 devices the XFLASH banks are not available. As a consequence, only the standard ST10 bootstrap mode can be used (no Alternate Boot Mode).
RAM: The ST10F273 includes 68 Kbytes of on-chip RAM, divided into 3 blocks: 2 Kbytes IRAM dual-ported RAM block, 2 Kbytes XRAM1 extension RAM block and 64KBytes XRAM2 extension RAM block.
In ST10F273 devices the XRAM2 on-chip extension RAM block is reduced to 32 Kbytes.
Note:
There is no built-in feature to allow software to detect if the device is an F276 or an F273. The missing memory in the ST10F273 can be seen as regular memory. If you wish make two assemblies of the same PCB with the ST10F276 and ST10F276, we advise to put a pull-up resistor on an I/O to differentiate the two configurations by software. Table 2.
B2F0 B2F1 B2F2 B3F0 B3F1 CTRL Registers
XFLASH Blocks User Mode Size
Block Address 09'0000h - 09'FFFFh 0A'0000h - 0A'FFFFh 0B'0000h - 0B'FFFFh 0C'0000h - 0C'FFFFh 0D'0000h - 0D'FFFFh 0E'0000h - 0E'FFFFh ST10F276 64KB 64KB 64KB 64KB 64KB 64KB ST10F273 Reserved Reserved Reserved Reserved Reserved Reserved
Table 3.
XRAM Blocks User Mode Size
Block Address 00'E000h - 00'E7FFh 0F'0000h - 0F'3FFFh 0F'4000h - 0F'7FFh 0F'8000h - 0F'FFFFh ST10F276 2KB 16KB 16KB 32KB ST10F273 2KB 16KB 16KB reserved
XRAM1 - 2KB XRAM2 - Standby RAM - 16KB XRAM2 - Following 16KB XRAM2 - Following 32KB
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ST10F276, ST10F273
Related documents
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Related documents
This document provides the ST10F276 and ST10F273 ordering information, for detailed technical specifications, please refer to the ST10F276 Datasheet and User's Manual.
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Revision history
Date 18-Jul-2005 Revision 1 Initial release Changes
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Revision history
ST10F276, ST10F273
Information furnished is believed to be accurate and reliable. However, STMicroelectronics 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 STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners (c) 2005 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com
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