STR730FZ1T7 datasheet(6/53 Pages) STMICROELECTRONICS

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Introduction

STR73xF

6/53

1.2

On-Chip Peripherals

CAN Interfaces

The three CAN modules are compliant with the CAN specification V2.0 part B (active). The

bit rate can be programmed up to 1 MBaud. These are not available in the STR735 and

STR736.

DMA

4 DMA controllers, each with 4 data streams manage memory to memory, peripheral to

peripheral, peripheral to memory and memory to peripheral transfers. The DMA requests

are connected to TIM timers, BSPI0, BSPI1, BSPI2 and ADC. One of the streams can be

configured to be triggered by a software request, independently from any peripheral activity.

16-bit Timers (TIM)

Each of the ten timers (six in 100-pin devices) have a 16-bit free-running counter with 7-bit

prescaler, up to two input capture/output compare functions, a pulse counter function, and a

PWM channel with selectable frequency. This provides a total of 16 independent PWMs (12

in 100-pin devices) when added with the PWM modules (see next paragraph).

PWM Modules (PWM)

The six 16-bit PWM modules have independently programmable periods and duty-cycles,

with 5+3 bit prescaler factor.

Timebase Timers (TB)

The three 16-bit Timebase Timers with 8-bit prescaler for general purpose time triggering

operations.

Realtime Clock (RTC)

The RTC provides a set of continuously running counters driven by separate clock signal

derived from the main oscillator. The RTC can be used as a general timebase or

clock/calendar/alarm function. When the STR73xF is in LPWFI mode the RTC keeps

running, powered by the low power voltage regulator.

UARTs

The 4 UARTs allow full duplex, asynchronous, communications with external devices with

independently programmable TX and RX baud rates up to 625K baud.

Buffered Serial Peripheral Interfaces (BSPI)

Each of the three BSPIs allow full duplex, synchronous communications with external

devices, master or slave communication at up 6 Mb/s (@36 MHz System Clock).

I2C Interfaces

The two I2C Interfaces provide multi-master and slave functions, support normal and fast

I2C mode (400 kHz) and 7 or 10-bit addressing modes.

A/D Converter

The 10-bit Analog to Digital Converter, converts up to 16 channels in single-shot or

continuous conversion modes (12 channels in 100-pin devices). The minimum conversion

time is 3us.

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