Bidirectional Communication Function (Normal Mode) - Fujitsu MB90390 Series Hardware Manual

20.7.5

Bidirectional Communication Function (Normal Mode)

In operation mode 0 or 2, normal serial bidirectional communication is available. Select
operation mode 0 for asynchronous communication and operation mode 2 for
synchronous communication.
■ Bidirectional Communication Function
The settings shown in Figure 20.7-10 are required to operate UART2, UART3 in normal mode (operation
mode 0 or 2).
Figure 20.7-10 Settings for UART2, UART3 Operation Mode 0 and 2
SCR2/SCR3 , SMR2/SMR3
SSR2/SSR3 , TDR2/TDR3 ,
RDR2/RDR3
ESCR2/ESCR3 ,
ECCR2/ECCR3
"1"
"0"
CHAPTER 20 UART2, UART3
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