IC-MB4 datasheet(3/40 Pages) ICHAUS

3 / 40 page

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iC-MB4

BiSS INTERFACE MASTER

Rev B2, Page 3/40

PACKAGING INFORMATION TO JEDEC

PIN CONFIGURATION TSSOP24

(topview)

PIN FUNCTIONS

No. Name

Function

SPI Communication Mode

(CFGSPI = 1)

1 NCS

SPI Chip Select Input, active low

2 ALE

SPI Clock Input

3 DB0

SPI Serial Data Input

4 DB1

SPI Serial Data Output

7 DB4

SPI2 Chip Select Input, active low

8 DB5

SPI2 Clock Input

9 DB6

SPI2 Serial Data Input

10 DB7

SPI2 Serial Data Output

Data Bus Communication Mode

(CFGSPI = 0)

1 NCS

Chip Select Input, active low

2 ALE

Address Latch Enable Input

3 DB0

Data Bus Input/Output

4 DB1

Data Bus Input/Output

5 DB2

Data Bus Input/Output

6 DB3

Data Bus Input/Output

7 DB4

Data Bus Input/Output

8 DB5

Data Bus Input/Output

9 DB6

Data Bus Input/Output

10 DB7

Data Bus Input/Output

11 GND

Ground

12 VDD

+3 V . . . +5.5 V Supply Voltage

13 EOT

End of transmission Output

14 GETSENS Sensor Data Request Input

15 NER

Error Message Input/Output,

low active

16 MA1

BiSS Clock Line Output

17 SL1

BiSS Data Line Input

18 INT_NMOT Communication Mode Select Input

(Intel = 1, Motorola = 0)

19 CFGSPI

Serial/Parallel Mode Select Input

(serial SPI = 1, parallel = 0)

20 NRES

Reset Input, low active

21 CLK

External Clock Input

22 MO1

BiSS Data Line Output

Intel Mode (INT_NMOT = 1)

23 NWR_E

Write Input, active low

24 NRD_RNW Read Input, active low

Motorola Mode (INT_NMOT = 0)

23 NWR_E

Enable Input, active high

24 NRD_RNW Read/Not-Write Select Input

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