HD6412350 Hitachi, HD6412350 Datasheet - Page 585

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

Figure 13-6 shows an example of the operation for transmission in asynchronous mode.
TDRE
TEND
TXI interrupt
request generated
1
Figure 13-6 Example of Operation in Transmission in Asynchronous Mode
Start
bit
0
Data written to TDR and
TDRE flag cleared to 0 in
TXI interrupt service routine
D0
D1
(Example with 8-Bit Data, Parity, One Stop Bit)
1 frame
Data
D7
Parity
bit
0/1
TXI interrupt
request generated
Stop
bit
1
Start
bit
0
D0
D1
Data
D7
Parity
bit
0/1
TEI interrupt
request generated
Stop
bit
1
Idle state
(mark state)
1
565