Master/Slave Communication Function (Multiprocessor Mode) - Fujitsu MB90390 Series Hardware Manual

20.7.6 Master/Slave Communication Function (Multiprocessor
Mode)
UART2, UART3 communication with multiple CPUs connected in master/slave mode is
available for both master or slave systems.
■ Master/Slave Communication Function
The settings shown in Figure 20.7-13 are required to operate UART2, UART3 in multiprocessor mode
(operation mode 1).
SCR2/SCR3 , SMR2/SMR3
SSR2/SSR3 , TDR2/TDR3,
RDR2/RDR3
ESCR2/ESCR3 ,
ECCR2/ECCR3
Figure 20.7-13 Settings for UART2, UART3 Operation Mode 1
"1"
"0"
CHAPTER 20 UART2, UART3
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