TMP86C993XB Toshiba, TMP86C993XB Datasheet - Page 140

• Manufacturer Part Number: TMP86C993XB
• Description: EMULATION CHIP FOR TMP86F SSOP
• Manufacturer: Toshiba

Specifications of TMP86C993XB

• Accessory Type: Adapter
• For Use With/related Products: TMP86F SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12.9
Status Flag
12.9.6
TD1BUF
TXD1 pin
UART1SR<TBEP>
INTTXD1 interrupt
Shift register
Figure 12-10 Generation of Transmit End Flag and Transmit Data Buffer Empty
Shift register
TXD1 pin
UART1SR<TBEP>
UART1SR<TEND>
INTTXD1 interrupt
UART1SR<TEND> is set to “1”. The UART1SR<TEND> is cleared to “0” when the data transmit is started
after writing the TD1BUF.
When data are transmitted and no data is in TD1BUF (UART1SR<TBEP> = “1”), transmit end flag
Transmit End Flag
***** 1
Figure 12-9 Generation of Transmit Data Buffer Empty
xxxx
***
1xx
1xxxx0
Start
****
Data write
* 1xxxx
1x
Bit 0
yyyy
***** 1
Stop
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Data write for TD1BUF
Final bit
**** 1x
***** 1
Stop
After reading UART1SR writing
TD1BUF clears TBEP.
1yyyy0
1yyyy0
Start
TMP86FH92DMG
zzzz
Data write
* 1yyyy
Bit 0