STMBL Version 4 Pinout

Pin Number

Pin Color

RS485

RS422

UART

USART

UART HD

USART HD

SPI

SPI HD

QUAD

Step Dir

Resolver

1 Vpp

UVW

1

Orange Stripe

A

RX +

RX +

MISO +

CS+

A +

STEP +

SIN +

SIN +

U+

2

Orange

B

RX -

RX -

MISO -

CS-

A -

STEP -

SIN -

SIN -

U-

3

Green Stripe

CLK +

CLK +

CLK +

CLK +

B +

DIR +

COS +

COS +

V+

4

Blue

B

Z

TX -

TX -

TX/RX -

TX/RX -

MOSI -

MOSI -

Z-

FAULT-

REF -

W-

5

Blue Stripe

A

Y

TX +

TX +

TX/RX +

TX/RX +

MOSI +

MOSI +

Z+

FAULT+

REF +

W+

6

Green

CLK -

CLK -

CLK -

CLK -

B -

DIR -

COS -

COS -

V-

7

Brown Stripe

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

EN+

AIN

VCC

VCC

8

Brown

GND

GND

GND

GND

GND

GND

GND

GND

GND

EN-

GND

GND

GND

VCC = 5V