Example Of I; Specifications; Connection Example; Fig. 5.4.1 Connection Example - Renesas 7200 Series User Manual

5.4 Example of I

The M37221Mx-XXXSP/FP has multi-master I
detection and synchronous functions, is useful for the multi-master serial communications.
This paragraph explains transmit/receive control example of E
BUS interface.
For details on the I 2 C-BUS interface, refer to "2.8 Multi-master I

5.4.1 Specifications

E 2 PROM required: M6M80012P
Synchronous clock: internal clock
Standard clock mode: 100 kHz
Number of transfer bits: 8 bits
Data format: addressing format
Pins required: SCL1, SDA1
Direction of data transfer: MSB first

5.4.2 Connection example

Fig. 5.4.1 Connection example

5.4 Example of I
2
C-BUS interface control (M37221Mx-XXXSP/FP)
P1 /SCL1
1
P1 /SDA1
3
M37221Mx-XXXSP
<Master>
7220 Group User's Manual
2 C-BUS interface control (M37221Mx-XXXSP/FP)
2
C-BUS interface. This interface, offering both arbitration lost
2
PROM (M6M80012P) adaptable to the I
2 C-BUS interface."
SCL
SCL
SDA
SDA
M6M80012P
<Slave>
APPLICATION
SCL : Serial clock
SDA : Serial data
2
C-
5-21