UM1537 datasheet(27/52 Pages) STMICROELECTRONICS

27 / 52 page

UM1537

Connector

Doc ID 023059 Rev 1

27/52

3.6

RS-232 and RS-485 connector CN7

Figure 10.

RS-232 and RS-485 connector

PB1

MC_TIM3_CH4 (PFC PWM)

Disconnect MC power board from CN1

GND

PB0

TS_Shield_CAP/ MC_ TIM3_CH3

(PFC_sync2)

Mount a 0 ohm resistor on R49

PC4

MC_AIN14 (current C)

Disconnect MC power board from CN1

PA6

MC_IO (NTC_bypass)

Disconnect MC power board from CN1

PA4

Audio_OUT

Remove R103

VDD

PF4

LCD_CS

Remove R94

PA2

MC_ADC_IN2 (Current A)

Disconnect MC power board from CN1

PA0

JOY_SEL

Remove R97

PC2

MC_ADC_IN12 (heatsink temperature)

Disconnect MC power board from CN1

GND

VDDA

PF1

OSC_OUT

Remove R59

Close SB14

Table 19.

Daughterboard extension connector CN6 (continued)

Description

Alternative function

How to disconnect from the function

block on STM320518-EVAL board

Table 20.

RS-232 and RS-485 connector CN7

Pin number

Description

Pin number

Description

Bootloader_BOOT0

RS232_RX (PA10)

RS232_RTS(PA12)

RS232_TX (PA9)

RS232_CTS(PA11) /

Bootloader_RESET

RS485_A

RS485_B

5GND

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