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STR73x Microcontroller Reference Manual Rev. 1 September 2005 1 REFERENCE MANUAL STR73x MICROCONTROLLER FAMILY 1 INTRODUCTION This Reference Manual provides complete information for application developers on how to use the STR73x Microcontroller memory and peripherals. For Ordering Information, Mechanical and Electrical Device Characteristics please refer to the STR73x Preliminary Data. For information on programming, erasing and protection of the internal Flash memory please refer to the STR7 Flash Programming Reference Manual For information on the ARM7TDMI core please refer to the ARM7TDMI Technical Reference Manual. Related documents: Available from www.arm.com: ARM7TDMI Technical Reference Manual Available from www.st.com: STR73xF Preliminary Data STR7 Flash Programming Reference Manual Rev. 1 September 2005 2/349 This is preliminary information on a new product now in development. Details are subject to change without notice. 1 Table of Contents 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 2 MEMORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 2.1 Memory Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 2.1.1 Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 2.1.2 Boot Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 2.1.3 RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 2.1.4 Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 2.2 Boot Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 2.2.1 SystemMemory Boot Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 3 POWER, RESET AND CLOCKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 3.1 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 3.2 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 3.2.1 Reset Pin