R-IN32M4-CL3 User's Manual: Board design edition
14. CSIH Pins
R18UZ0074EJ0100
Page 49 of 61
Dec 24, 2019
14.
CSIH Pins
Examples of connections of the R-IN32M4-CL3 with a CSI master and slave are given below.
14.1
One Master and One Slave
The following figure illustrates the connections between one master and one slave.
R-IN32M4-CL3 (Master)
Slave
CSISCKn (out)
CSISOn
CSISIn
SCK (in)
MOSI
MISO
R-IN32M4-CL3 (Slave)
Master
CSISCKn (in)
CSISIn
CSISOn
SCK (out)
MOSI
MISO
Figure 14.1 Direct Master/Slave Connection
Remark
:
n = 0, 1
14.2
One Master and Two Slaves
The following figure illustrates the connections between an R-IN32M4-CL3 as a master and two slaves.
In this example, the R-IN32M4-CL3 supplies one chip select (CS) signal to each of the slaves. This signal is connected to
the slave select input (SSI) of the slave.
R-IN32M4-CL3 (Master)
Slave 1
CSISCKn (out)
CSISOn
CSISIn
SCK (in)
MOSI
MISO
SSI
Slave 2
SCK (in)
MOSI
MISO
SSI
CSICSn0
CSICSn1
Figure 14.2 Connection between One Master and Two Slaves
Remark:
n = 0, 1