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Serial Interface
13-30
Serial n transmission buffer (n = 1, 2)
Register symbol SCnTXB
Address: x'34000818 (n=1), x'34000828 (n=2)
Purpose: This register writes the transmission data to serial interface n.
Bit No.76543210
Bit SCn SCn SCn SCn SCn SCn SCn SCn
name TXB7 TXB6 TXB5 TXB4 TXB3 TXB2 TXB1 TXB0
Reset 0 0 0 0 0 0 0 0
Access R/W R/W R/W R/W R/W R/W R/W R/W
Data is transmitted by writing it to this buffer.
Serial n reception buffer (n = 1, 2)
Register symbol: SCnRXB
Address: x'34000819 (n=1), x'34000829(n=2)
Purpose: This register reads in the reception data of serial interface n.
Bit No.76543210
Bit SCn SCn SCn SCn SC0n SCn SCn SCn
name RXB7 RXB6 RXB5 RXB4 RXB3 RXB2 RXB1 RXB0
Reset 0 0 0 0 0 0 0 0
Access R R R R R R R R
Reception data is gotten by reading this buffer at the end of reception.
In the case of a 7-bit transfer, the MSB (bit 7) is "0".