IC-MB4_15 Datasheet, PDF (4/40 Pages) IC-Haus GmbH – BiSS INTERFACE MASTER

iC-MB4
BiSS INTERFACE MASTER
PIN CONFIGURATION QFN28 5 mm x 5 mm
(topview)
28
27
26
25
24
23
22
1
21
2
20
3
iC−MB4
19
4
...
18
5
17
...yyww
6
16
7
15
8
9
10
11
12
13
14
The Thermal Pad must be connected to GND.
preliminary
Rev B2, Page 4/40
PIN FUNCTIONS
No. Name
Function
27 NCS
28 ALE
1 DB0
2 DB1
SPI Communication Mode
(CFGSPI = 1)
SPI Chip Select Input, active low
SPI Clock Input
SPI Serial Data Input
SPI Serial Data Output
5 DB4
6 DB5
7 DB6
8 DB7
SPI2 Chip Select Input, active low
SPI2 Clock Input
SPI2 Serial Data Input
SPI2 Serial Data Output
Data Bus Communication Mode
(CFGSPI = 0)
1 DB0
Data Bus Input/Output
2 DB1
Data Bus Input/Output
3 DB2
Data Bus Input/Output
4 DB3
Data Bus Input/Output
5 DB4
Data Bus Input/Output
6 DB5
Data Bus Input/Output
7 DB6
Data Bus Input/Output
8 DB7
Data Bus Input/Output
9 GND
Ground
10 VDD
+3 V . . . +5.5 V Supply Voltage
11 EOT
End of transmission Output
12 GETSENS Sensor Data Request Input
13 NER
Error Message Input/Output,
low active
14 n.c.
not connected
15 MA1
BiSS Clock Line Output
16 MA2_NMA1 BiSS Clock Line Output Channel
2
17 SL1
BiSS Data Line Input
18 SL2_NSL1 BiSS Data Line Input Channel 2
19 INT_NMOT Communication Mode Select In-
put
(Intel = 1, Motorola = 0)
20 CFGSPI Serial/Parallel Mode Select Input
(serial SPI = 1, parallel = 0)
21 NRES
Reset Input, low active
22 CLK
External Clock Input
23 MO1
BiSS Data Line Output
24 MO2_NMO1 BiSS Data Line Output Channel 2
25 NWR_E Write Input, active low (Intel)
Enable Input, active high (Mo-
torola)
26 NRD_RNW Read Input, active low (Intel)
Read/Not-Write Select Input
(Motorola)
27 NCS
Chip Select Input, active low
28 ALE
Address Latch Enable Input
TP
Thermal Pad (GND)