tmp89fm42 TOSHIBA Semiconductor CORPORATION, tmp89fm42 Datasheet - Page 243

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tmp89fm42

Manufacturer Part Number
tmp89fm42
Description
8 Bit Microcontroller
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet

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RA001
RXD0 pin input
UART0SR<RBFL>
UART0SR<OERR>
INTRXD0 interrupt request
Reading of UART0SR
Reading of RD0BUF
RD0BUF
RXD0 pin input
UART0SR<RBFL>
UART0SR<OERR>
INTRXD0 interrupt request
Reading of UART0SR
Reading of RD0BUF
RD0BUF
Start Bit0
Start Bit0
Figure 16-14 Clearance of Overrun Error Flag
Bit1
Bit1
Data A
Data A
Bit7 Stop Start Bit0
Bit7 Stop Start Bit0
The contents of data B are discarded
The contents of data B are discarded
and those of data A are maintained.
and those of data A are maintained.
Data A
Data A
Page 229
Bit1
Bit1
Data B
Data B
Bit7 Stop
Bit7 Stop
Reading
of data A
RBFL is cleared to “0” when
RD0BUF is read after reading
RBFL=“1”.
Reading of data A
Reading
of data A
RBFL is cleared to “0” when
RD0BUF is read after reading
RBFL=“1”.
OERR is cleared to “0” when
RD0BUF is read after reading
OERR=“1”.
OERR is cleared to “0” when
RD0BUF is read after reading
OERR=“1”.
TMP89FM42

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