AN4068 datasheet(30/63 Pages) STMICROELECTRONICS

부품명	AN4068

상세설명	ST7580 power line communication system-on-chip design guide

PDF	63 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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30 / 63 page

ST7580 reference design description

AN4068

30/63

Doc ID 022923 Rev 2

Figure 17.

Connections between the STM32F103CBT6 and the ST7580 devices on the

EVALST80-1 board

These connections involve several pins and features of the ST7580 modem, as listed in

Table 6.

Connections between STM32F103CBT6 and ST7580 devices on EVALST80-1 board

Connection

type

ST7580 pins

STM32F103

pins

Notes

Host interface

Digital

T_REQ

PA1

See [2]

RXD

PA2

TXD

PA3

Reset

Digital

RESETN

PC15

This direct connection allows the STM32

microcontroller to drive the RESETN pin

of the ST7580.

Clock

Digital

XIN

PA8

The connection must provide an 8-MHz

clock signal to the ST7580 modem in

accordance with the specifications in [1].

Power line

communication

activity

Digital

PL_RX_ON

PC13

As the two lines give information about

power line communication activity of the

ST7580, the connections can be used as

input data for the STM32.

PL_TX_ON

PC14

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