MB3U datasheet(3/16 Pages) ICHAUS

3 / 16 page

MB3U, MB3U-I2C

BiSS, SSI, PC-USB ADAPTER

Rev C3, Page 3/16

CONNECTORS

PIN CONFIGURATION BiSS / SSI (SUB-D9 male)

PIN FUNCTIONS

No. Name Function

1 VB

12 V field power supply

2 MA+

Clock output P

3 MA-

Clock output N

4 VDD

5 V logic power supply

5 MO-

Master data output N (constant high)

6 GND Ground (0 V)

7 SL+

Device data input P

8 SL-

Device data input N

9 MO+ Master data output P (constant low)

PIN CONFIGURATION I2C, MB3U-I2C only

(RM2.54 2x5 female)

PIN FUNCTIONS

No. Name Function

1 SCL

Serial Clock Line

2 GND Ground

3 n.a.

Reserved5

4 VDD

5 V logic power supply

5 n.a.

Reserved

6 n.a.

Reserved

7 SDA

Serial Data Line Output, short to pin 9

8 n.a.

Reserved

9 SDA

Serial Data Line Input

10 GND Ground

PIN CONFIGURATION SPI, MB3U-I2C only

(RM2.54 2x5 female)

PIN FUNCTIONS

No. Name Function

1 SCL

Serial Clock Line

2 GND Ground

3 n.a.

Reserved

4 VDD

5 V logic power supply

5 n.a.

Reserved

6 n.a.

Reserved

7 MOSI Serial Data Line Output

8 NCS

Chip Select (low active)

9 MISO Serial Data Line Input

10 GND Ground

PIN CONFIGURATION External Power Supply

(DIN 45323)

PIN FUNCTIONS

No. Name

Function

1 Inner Contact GND pole of external supply

2 Outer Contact 12 V positive pole of

external supply (9 to 15 V DC,

500 mAmax)

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