tmp88ps42ng TOSHIBA Semiconductor CORPORATION, tmp88ps42ng Datasheet - Page 175

• Manufacturer Part Number: tmp88ps42ng
• Description: 8 Bit Microcontroller Tlcs-870/x Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

UART Status Register
UART Receive Data Buffer
UART Transmit Data Buffer
UART Pin Select Register
(01F91H)
(01F93H)
UARTSEL
UARTSR
(01F93H)
(01F90H)
RDBUF
TDBUF
Note: When an INTTXD is generated, TBEP flag is set to "1" automatically.
Note 1: Do not change UARTSEL register during UART operation.
Note 2: Set UARTSEL register before performing the setting terminal of a I/O port when changing a terminal.
PERR
RXDSEL
TXDSEL
7
OERR
7
PERR
FERR
TEND
RBFL
TBEP
7
7
FERR
6
6
6
6
Parity error flag
Framing error flag
Overrun error flag
Receive data buffer full flag
Transmit end flag
Transmit data buffer empty flag
RXD connect pin select
TXD connect pin select
OERR
5
5
5
5
RBFL
4
4
4
4
TEND
3
3
3
3
TBEP
2
2
2
2
Page 165
0:
1:
0:
1:
0:
1:
0:
1:
0:
1:
0:
1:
0:
1:
0:
1:
TXD
SEL
1
1
1
1
No parity error
Parity error
No framing error
Framing error
No overrun error
Overrun error
Receive data buffer empty
Receive data buffer full
On transmitting
Transmit end
Transmit data buffer full (Transmit data writing is finished)
Transmit data buffer empty
RXD1
RXD2
TXD1
TXD2
RXD
SEL
0
0
0
0
Write only
(Initial value: 0000 0000)
(Initial value: **** **00)
(Initial value: 0000 11**)
Read only
(Initial value: 0000 0000)
TMP88PS42NG
Read
R/W
only