IC-JX_16 Datasheet, PDF (40/48 Pages) IC-Haus GmbH – 16-FOLD 24 V HIGH-SIDE DRIVER

iC-JX
16-FOLD 24 V HIGH-SIDE DRIVER WITH µC INTERFACE
Rev C2, Page 40/48
SPI interface
To reduce the number of lines running between the
microcontroller and iC-JX and thus to economize on
the use of optocouplers between the former and either
one or several iCs in a unit, for example, an extended
serial-peripheral interface (SPI) has been integrated
into iC-JX. A possible wiring is shown in Figure 13.
5V
NCS
SCK
MOSI
MISO
alternative
MISO
µC
NINT
NRES
optional
5V
C2
100nF
5V
C1
100nF
24V
24V
24V
5V
S1
S2
S3
S4
NSP
NCS
NWR
NRD
A0
A1
A2
A3/SCK
A4
alternative
D0/SI
D1/SOC
D2/SOB
D3
D4
D5
D6
D7
VDD POE VCC
VB1
Nibble 0
IO1
IO2
IO3
IO4
VB2
Nibble 1
IO5
IO6
IO7
IO8
VB3
Nibble 2
IO9
I010
I011
I012
Nibble 3
VB4
IO13
IO14
IO15
IO16
optional
NINT
NRES
CONTROL
REGISTER
A/D
CONVERTER
iC-JX
MQFP52
RSET VREF BLFQ CLK
GNDD GNDA
5V
optional
RESET
CONTROLLER
2.5V
5V
1.25MHz
5V
10 Hz
S1
S2
S3
S4
S5
S6
R1
S7
S8
S9 R2
R3
R5
S10 R4
R7
S11 R6
R9
S12 R8
R10
S13
LA1
LA2
REL1
REL2
Figure 13: Example application using a serial interface (pin NSP=0)