1

STEVAL-IOD003V1 schematic diagrams

Figure 1. STEVAL-IOD003V1 circuit schematic (1 of 4)

EN

3

EP

OUTH

11

EN

VDD

R8

IN2

OUT /IQ

R6

100k

1

RED

2

RED

2

SEL

2

R3

2

R7

D5

8

3V3

1

OUTL

IN1

C6

1µF/50V

A

2

3V3

1

D3GREEN

C2

100pF

R1

100k

SW2

2

I/Q

R10

OL

12

5

OUTI/Q

1

Vcc

C1

100pF

C7

100pF (N.M.)

VDD

1

4

C4

100pF

2

C3

47nF

VCC

I/Q

7

default closed 2-3

IN2

IN1

EN/DIAG

OUT I/Q

OL

default closed 2-3

default open

6

VDD

OUTH

1

IN1

D4

1

GND

1

U1

L6362A

C8

470pF (N.M.)

I/Q

SEL

OUTL

VCC

OL

OUTH

R4

R2

100k

IN2

3

SW3

C9

470pF (N.M.)

C5

100pF

9

OUTL

2

10

3V3

JP3

B

DIAG

3

R5

3k3

3k3

330R

1k

1k

2k2

Figure 2. STEVAL-IOD003V1 circuit schematic (2 of 4): Arduino connectors

4

A4

DIAG

R127

DIAG

100R

R134

A1

DI/DQ

6

3

OL

100R(NM)

R126

5

A3

R104

A5

100R(NM)

R114

I2C_SDA

R146

R118

100R(NM)

CN8

A2

2

100R(NM)

DI/DQ

PA1

PC0

DEFAULT

PB0

PC1

PA4

PA0 A0

100R(NM)

1

100R(NM)

DIAG

NRST

R102

CN6

100R (NM)

default open

IN1

5

100R

R112

3V3

6

8

GND

B

3

7

GND

4

5VOL

R147

1

JP6

VIN

IOREF

DEFAULT

2

A

IN1

3V3

3v3

4.7k

100R(NM)

4

5

DIAG

PA2

PA10

DEFAULT

(Note: UART2 TX, ST-LINK)

(Note: UART2 RX, ST-LINK)

R108

100R(NM)

OL

D0

100R(NM)

OL

R145

100R(NM)

D4

INTERRUPT

R135

100R(NM)

R144

2

D1

8

D2

DIAG

3

D6

100R

7

PB10

PB5

PB4

PB3

PA8

PA3

1

CN9

6

R124

D7

D5

D3

OUT I/Q

D11

OL

100R (NM)

9

PA9

PA7

PA5

DEFAULT

DEFAULT

DEFAULT

AVDD

100R(NM)

IN2

10

D9

OL

100R

5

R115

4

100R

100R(NM)

R125

R107

3

R106

R109

I2C_SDA

6

2

D13

R101

D14

CN5

100R(NM)

R105

7

PA6

PB6

PC7

PB9

PB8

100R(NM)

D10

EN

D12

1

100R

R111

IN2

I2C_SCL

D15

8

D8

STEVAL-IOD003V1

STEVAL-IOD003V1 schematic diagrams

DB3634 - Rev 1

page 2/5