STR750FXX datasheet(19/84 Pages) STMICROELECTRONICS

19 / 84 page

STR750Fxx STR751Fxx STR752Fxx STR755Fxx

Pin description

19/84

P2.16

I/O

XO2

Port 2.16

G5 VDD_IO

Supply voltage for digital I/Os

G7 VDDA_PLL

Supply voltage for PLL

XT2

4 MHz main oscillator

XT1

J10

G6 VSS_IO

Ground voltage for digital I/Os

K10

G8 VSSA_PLL

Ground voltage for PLL

P2.15

I/O

XO2

Port 2.15

P2.14

I/O

XO2

Port 2.14

V18REG

Stabilization for main voltage regulator. Requires

external capacitors of at least 10µF between

V18REG and VSS18. See Figure 4.

To be connected to the 1.8V external power supply

when embedded regulators are not used,

VSS18

Ground Voltage for the main voltage regulator

VSSBKP

Stabilization for low power voltage regulator.

V18BKP

Ground Voltage for the low power voltage regulator.

Requires external capacitors of at least 1µF

between V18BKP and VSSBKP. See Figure 4.

To be connected to the 1.8V external power supply

when embedded regulators are not used,

H10

XRTC1

32 kHz oscillator for Realtime Clock

G10

XRTC2

NRSTOUT

Reset output

NRSTIN

Reset input

P1.15 /

WKP_STDBY

ITT

EIT15

Port 1.15

Wake-up from STANDBY input pin

P2.13

I/O

XO2

Port 2.13

P2.12

I/O

XO2

Port 2.12

F10

(7)

P0.15 / CAN_TX

I/O

XO2

Port 0.15

CAN: Transmit data output

E10

(7)

P0.14 / CAN_RX

I/O

XEIT5

Port 0.14

CAN: Receive data input

D10

(7)

USB_DN

I/O

USB: bidirectional data (data -)

C10

(7)

USB_DP

I/O

USB: bidirectional data (data +)

P1.03 / TIM2_TI2

I/O

XO2

Port 1.03

TIM2: Input Capture / trigger /

external clock 2 (remappable to

P0.07)(8)

Table 6.

STR750F pin description (continued)

Pin n°

Pin name

Input

Output

Main

function

(after

reset)

Alternate function

(3)

STR750FXX 데이터시트(PDF) 19 Page - STMicroelectronics

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