AX58200BT datasheet(71/180 Pages) ASIX

71 / 180 page

AX58200

EtherCAT Slave Controller SoC

Basic PWM Generator and Capture Timer (BPWM)

2.13.1 Overview

The chip provides two BPWM generators － BPWM0 and BPWM1. Each BPWM supports 6 channels of

BPWM output or input capture. There is a 12-bit prescaler to support flexible clock to the 16-bit BPWM counter

with 16-bit comparator. The BPWM counter supports up, down and up-down counter types, all 6 channels share

one counter. BPWM uses the comparator compared with counter to generate events. These events are used to

generate BPWM pulse, interrupt and trigger signal for EADC to start conversion. For BPWM output control

unit, it supports polarity output, independent pin mask and tri-state output enable.

The BPWM generator also supports input capture function to latch BPWM counter value to corresponding

2.13.2 Features

2.13.2.1 BPWM Function Features

⚫

Supports maximum clock frequency up to maximum PLL frequency.

⚫

Supports up to two BPWM modules; each module provides 6 output channels

⚫

Supports independent mode for BPWM output/Capture input channel

⚫

Supports 12-bit prescalar from 1 to 4096

⚫

Supports 16-bit resolution BPWM counter; each module provides 1 BPWM counter

–

Up, down and up/down counter operation type

⚫

Supports mask function and tri-state enable for each BPWM pin

⚫

Supports interrupt in the following events:

–

BPWM counter matches 0, period value or compared value

⚫

Supports trigger EADC in the following events:

–

BPWM counter matches 0, period value or compared value

2.13.2.2 Capture Function Features

⚫

Supports up to 12 capture input channels with 16-bit resolution

⚫

Supports rising or falling capture condition

⚫

Supports input rising/falling capture interrupt

⚫

Supports rising/falling capture with counter reload option

AX58200BT 데이터시트(PDF) 71 Page - ASIX Electronics Corporation

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