Fujitsu MB90390 Series Hardware Manual page 389

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CHAPTER 20 UART2, UART3
Table 20.4-5 Description of the Interaction of SOPE and SIOP
SOPE
SIOP
Writing to SIOP
Reading from SIOP
1
R/W
write "0" or "1" to SOT2/SOT3
returns current value of SIN2/SIN3
-
RMW
reads current value of SOT2/SOT3 and write "0" or "1"
- : "0" or "1"
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