UPD78F0411GA-GAM-AX Datasheet, PDF (317/564 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Figure 13-1. Block Diagram of Serial Interface UART0
fPRS/2
fPRS/2³
fPRS/2⁵
8-bit timer/
event counter
50 output
Filter
RxD0/KR3/P12/<RxD6>
fXCLK0
Asynchronous serial
interface operation mode
register 0 (ASIM0)
Asynchronous serial
interface reception error
status register 0 (ASIS0)
Baud rate
generator
Reception unit
Internal bus
INTSR0
Reception control
7
Registers
Baud rate generator
control register 0
(BRGC0)
7
Baud rate
generator
INTST0
Transmission control
Transmission unit
Receive shift register 0
(RXS0)
Receive buffer register 0
(RXB0)
Transmit shift register 0
(TXS0)
Port function
register 1 (PF1)
PF13
TXD0/KR4/
P13/<TxD6>
PM13
UART0 output signal
Output latch
(P13)