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Product overview

Description

ARMcore with embedded Flash & RAM STR73xF family combines the high performance ARM7TDMI™ CPU with an extensive range of peripheral functions and enhanced I/O capabilities. All devices have on-chip high-speed single voltage Flash memory and high-speed RAM. The STR73xF family has anembedded ARM core and is therefore compatible with all ARM tools and software.
Extensive tools support
STMicroelectronics’ 32-bit, ARM core-based microcontrollers are supported by a complete range of high-end and low-cost development tools to meet the needs of application developers. This extensive line of hardware/software tools includes starter kits and complete development packages all tailored for ST’s ARM core-based MCUs.
The range of development packages includes third-party solutions that come complete with a graphical development environment and an in-circuit emulator/programmer featuring a JTAG application interface. These support a range of embedded operating systems (OS), while several royalty-free OSs are also available.
For more information, please refer to ST MCU site http://www.st.com/mcu
Figure 1 shows the general block diagram of the device family.

All features
Development tools support\t\tJTAG interface\t\t

10-bit A/D converter\t\t12/16 channels\t\tConversion time: min. 3μs, range: 0 to 5V\t\t

Timers\t\t16-bit watchdog timer (WDG)\t\t6/10 16-bit timers (TIM) each with: 2 input captures, 2 output compares, PWM and pulse counter modes\t\t6 16-bit PWM modules (PWM)\t\t3 16-bit timebase timers with 8-bit prescalers\t\t

DMA\t\t4 DMA controllers with 4 channels each\t\t

Core\t\tARM7TDMI 32-bit RISC CPU\t\t32 MIPS @ 36 MHz\t\t

Clock, reset and supply management\t\t4.5 - 5.5V application supply and I/Os\t\tEmbedded 1.8V regulator for core supply\t\tEmbedded oscillator running from external 4-8MHz crystal or ceramic resonator\t\tUp to 36 MHz CPU frequency with internal PLL\t\t32 kHz or 2 MHz internal RC oscillator, software configurable for fast startup and backup clock Real-time clock for clock-calendar function\t\tWake-up timer driven by internal RC for wake-up from STOP mode\t\t5 power saving modes: SLOW, WFI, LPWFI, STOP and HALT modes\t\t

Memories\t\tUp to 256 Kbytes Flash program memory (10,000 cycles endurance, data retention 20 years @ 85˚ C)\t\t16 Kbytes RAM\t\t

Up to 112 I/O ports\t\t72/112 multifunctional bidirectional I/Os\t\t

12 communications interfaces\t\t2 I²C interfaces4 UART asynchronous serial interfaces\t\t3 BSPI synchronous serial interfaces\t\tUp to 3 CAN interfaces (2.0B Active)\t\t

Nested interrupt controller\t\tFast interrupt handling with multiple vectors\t\t64 maskable IRQs with 64 vectors and 16 priority levels\t\t2 maskable FIQ sources\t\t16 external interrupts, up to 32 wake-up lines\t\t
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All tools & software

MCU & MPU Embedded Software

Part number	Status	Description	Type	Supplier
STSW-STR7013	Active	STR71x Software Development Getting Started	Legacy MCUs Embedded Software	ST	STSW-STR7013 Description: STR71x Software Development Getting Started
STSW-STR7014	Active	Interrupt Handling for STR7 microcontroller	Legacy MCUs Embedded Software	ST	STSW-STR7014 Description: Interrupt Handling for STR7 microcontroller
STSW-STR7016	Active	STR71x GPIO Driving Four 7-Segment Display	Legacy MCUs Embedded Software	ST	STSW-STR7016 Description: STR71x GPIO Driving Four 7-Segment Display
STSW-STR7018	Active	STR71x UART Communication with a PC using RS232	Legacy MCUs Embedded Software	ST	STSW-STR7018 Description: STR71x UART Communication with a PC using RS232
STSW-STR7019	Active	How to use the STR71x A/D converter and apply a conversion speed-up technique	Legacy MCUs Embedded Software	ST	STSW-STR7019 Description: How to use the STR71x A/D converter and apply a conversion speed-up technique
STSW-STR7020	Active	STR71x GPIO Driving a 4x4 Matrix Keypad	Legacy MCUs Embedded Software	ST	STSW-STR7020 Description: STR71x GPIO Driving a 4x4 Matrix Keypad
STSW-STR7021	Active	STR71x BSPI Used as an UART	Legacy MCUs Embedded Software	ST	STSW-STR7021 Description: STR71x BSPI Used as an UART
STSW-STR7022	Active	STR71x ADC Driving an Analog Keyboard	Legacy MCUs Embedded Software	ST	STSW-STR7022 Description: STR71x ADC Driving an Analog Keyboard
STSW-STR7023	Active	STR71x BSPI Communication with M25P10-A Serial Flash	Legacy MCUs Embedded Software	ST	STSW-STR7023 Description: STR71x BSPI Communication with M25P10-A Serial Flash
STSW-STR7025	Active	EEPROM Emulation with STR71x	Legacy MCUs Embedded Software	ST	STSW-STR7025 Description: EEPROM Emulation with STR71x
STSW-STR7026	Active	STR7 In-Application programming using UART	Legacy MCUs Embedded Software	ST	STSW-STR7026 Description: STR7 In-Application programming using UART
STSW-STR7030	Active	STR73x Microcontroller Power Management	Legacy MCUs Embedded Software	ST	STSW-STR7030 Description: STR73x Microcontroller Power Management
STSW-STR7033	Active	STR7/STR9 audio generation with PWM	Legacy MCUs Embedded Software	ST	STSW-STR7033 Description: STR7/STR9 audio generation with PWM
STSW-STR7036	Active	Connecting I2S audio devices to the STR7/STR9 MCU	Legacy MCUs Embedded Software	ST	STSW-STR7036 Description: Connecting I2S audio devices to the STR7/STR9 MCU
STSW-STR7041	Active	STR73x Demonstration Software	Legacy MCUs Embedded Software	ST	STSW-STR7041 Description: STR73x Demonstration Software
STSW-STR7042	Active	STR73x Software Library	Legacy MCUs Embedded Software	ST	STSW-STR7042 Description: STR73x Software Library

Software Development Tools

Part number	Status	Description	Type	Supplier
MDK-ARM-STR	Active	MDK-ARM software development environment for Cortex-R based MCUs	Legacy MCUs IDEs	Keil	MDK-ARM-STR Description: MDK-ARM software development environment for Cortex-R based MCUs
RIDE-STR	Active	Raisonance branded integrated development environment for ST7, STR7 and STR9 MCUs	Legacy MCUs IDEs	Raisonance	RIDE-STR Description: Raisonance branded integrated development environment for ST7, STR7 and STR9 MCUs
STSW-STR7050	Active	STR7 Family Flash Programming Software	Legacy MCUs Programmers	ST	STSW-STR7050 Description: STR7 Family Flash Programming Software

All resources

Expand all categories

	Resource title		Latest update

Product Specifications (1)

	Resource title		Latest update
PDF	DS4420 ARM7TDMI™ 32-bit MCU with Flash, 3x CAN, 4 UARTs, 20 timers, ADC, 12 comm. interfaces 7.2		19 Sep 2016	19 Sep 2016 DS4420 ARM7TDMI™ 32-bit MCU with Flash, 3x CAN, 4 UARTs, 20 timers, ADC, 12 comm. interfaces 7.2

Application Notes (5 of 9)

	Resource title	Latest update
PDF	AN2682 Connecting I2S audio devices to the STR7/STR9 MCU 1.3	03 Nov 2015	03 Nov 2015 AN2682 Connecting I2S audio devices to the STR7/STR9 MCU 1.3
PDF	AN1181 Electrostatic discharge sensitivity measurement 1.6	11 Jul 2017	11 Jul 2017 AN1181 Electrostatic discharge sensitivity measurement 1.6
PDF	AN2591 Microcontroller input / output expander 1.5	12 Nov 2020	12 Nov 2020 AN2591 Microcontroller input / output expander 1.5
PDF	AN1778 STR7 ARM Multi-ICE Setup 1.5	26 Jan 2021	26 Jan 2021 AN1778 STR7 ARM Multi-ICE Setup 1.5
PDF	AN2156 STR73x Family STR73x Hardware Getting Started 1.6	12 Nov 2020	12 Nov 2020 AN2156 STR73x Family STR73x Hardware Getting Started 1.6
PDF	AN2260 STR73x SystemMemory boot mode 1.3	05 Mar 2014	05 Mar 2014 AN2260 STR73x SystemMemory boot mode 1.3
PDF	AN2202 STR73x microcontroller power management 2.5	22 Oct 2019	22 Oct 2019 AN2202 STR73x microcontroller power management 2.5
PDF	AN2710 Safe GPIO port configuration in STR7xx devices 1.5	26 Oct 2018	26 Oct 2018 AN2710 Safe GPIO port configuration in STR7xx devices 1.5
PDF	AN886 Selecting between ROM, FASTROM and OTP for a microcontroller 1.3	03 Jan 2018	03 Jan 2018 AN886 Selecting between ROM, FASTROM and OTP for a microcontroller 1.3

Technical Notes & Articles (1)

	Resource title		Latest update
PDF	TN1163 Description of WLCSP for microcontrollers and recommendations for its use 4.0		11 Jul 2017	11 Jul 2017 TN1163 Description of WLCSP for microcontrollers and recommendations for its use 4.0

User Manuals (4)

	Resource title	Latest update
PDF	UM0116 STR7 family Flash programming 4.6	12 Nov 2020	12 Nov 2020 UM0116 STR7 family Flash programming 4.6
PDF	UM0167 STR7 family STR73x demonstration software 1.6	22 Oct 2019	22 Oct 2019 UM0167 STR7 family STR73x demonstration software 1.6
PDF	UM0168 STR7 family STR73x software library 1.5	22 Oct 2019	22 Oct 2019 UM0168 STR7 family STR73x software library 1.5
PDF	UM0218 STR75x software library 1.7	12 Nov 2020	12 Nov 2020 UM0218 STR75x software library 1.7

Reference Manuals (1)

	Resource title		Latest update
PDF	RM0001 STR73x ARMTDMI® microcontroller family 3.4		23 May 2017	23 May 2017 RM0001 STR73x ARMTDMI® microcontroller family 3.4

Application Notes for related Tools & Software (5 of 6)

	Resource title	Latest update
PDF	AN2077 EEPROM emulation with STR71x 2.5	22 Oct 2019	22 Oct 2019 AN2077 EEPROM emulation with STR71x 2.5
PDF	AN1798 How to use the STR71x A/D converter and apply a conversion speed-up technique 3.4	22 Oct 2019	22 Oct 2019 AN1798 How to use the STR71x A/D converter and apply a conversion speed-up technique 3.4
PDF	AN1776 Interrupt handling for STR7 microcontrollers 2.5	01 Jun 2017	01 Jun 2017 AN1776 Interrupt handling for STR7 microcontrollers 2.5
PDF	AN2078 STR7 In-Application Programming using UART 3.5	01 Jun 2017	01 Jun 2017 AN2078 STR7 In-Application Programming using UART 3.5
PDF	AN2394 STR7/STR9 audio generation with PWM 1.4	02 Aug 2016	02 Aug 2016 AN2394 STR7/STR9 audio generation with PWM 1.4
PDF	AN2202 STR73x microcontroller power management 2.5	22 Oct 2019	22 Oct 2019 AN2202 STR73x microcontroller power management 2.5

EDA Symbols, Footprints and 3D Models

Quality and Reliability

Part Number	Marketing Status	Package	Grade	RoHS Compliance Grade	Material Declaration**
STR735FZ1T6	NRND	LQFP 144 20x20x1.4 mm	Industrial	Ecopack2
STR735FZ1T7	NRND	LQFP 144 20x20x1.4 mm	Industrial	Ecopack2

STR735FZ1T6

Package:

LQFP 144 20x20x1.4 mm

Material Declaration**:

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STR735FZ1T7

Package:

LQFP 144 20x20x1.4 mm

Material Declaration**:

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(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

Part Number	Order from Distributors	Order from ST	Marketing Status	ECCN (US)	ECCN (EU)	Packing Type	Package	Temperature (°C)		Country of Origin	Budgetary Price (US$)*/Qty
Part Number	Order from Distributors	Order from ST	Marketing Status	ECCN (US)	ECCN (EU)	Packing Type	Package	min	max	Country of Origin	Budgetary Price (US$)*/Qty
STR735FZ1T7	No availability of distributors reported, please contact our sales office		NRND	3A991A2	NEC	Tray	LQFP 144 20x20x1.4 mm	-40	105	MALTA
STR735FZ1T6	No availability of distributors reported, please contact our sales office		NRND	3A991A2	NEC	Tray	LQFP 144 20x20x1.4 mm	-40	85	MALTA

STR735FZ1T7

Marketing Status

NRND

ECCN (US)

3A991A2

More Info

Budgetary Price (US$)*/Qty

STR735FZ1T6

Marketing Status

NRND

ECCN (US)

3A991A2

More Info

Budgetary Price (US$)*/Qty

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors