Fujitsu MB90480 Series Hardware Manual page 458

CHAPTER 19 UART
436
Figure 19.5-11 Procedure for communication using the master/
slave communication function
(Master CPU)
Set operation mode "1"
The SIN pin is specified as serial data input
Specify one-byte data (address data)
for selecting the slave CPUs in D0 to D7,
and send data (A/D = 1)
Enable reception
Communication
with slave CPUs
Communication
Communications
with other slave
Prohibit reception
Start
Set A/D to "0"
operation
NO
end?
YES
NO
CPUs?
YES
operation
END