Asynchronous Operation - Infineon Technologies TC1728 User Manual

17.1.3

Asynchronous Operation

Asynchronous Mode supports full-duplex communication, in which both transmitter and
receiver use the same data frame format and have the same baud rate. Data is
transmitted on pin TXD and received on pin RXD.
of the ASC when operating in Asynchronous Mode.
f
ASC
R
Samp-
ling
MUX
RXD
Figure 17-2 Asynchronous Mode of the ASC
User's Manual
ASC, V1.3 2007-11
Asynchronous/Synchronous Serial Interface (ASC)
FDE
Fractional
Divider
2
MUX
3
M STP
ODD
REN
FEN
Serial Port Control
PEN
OEN
LB
Receive Shift
Register
Receive
Buffer Reg.
RBUF
Internal Bus
Figure 17-2
13-bit Reload Register
BRS
f
DIV
13-bit Baud Rate Timer
FE PE OE
Receive Int. Req.
Shift Clock
Transmit Int. Req.
Transmit Buffer Int. Req.
Error Int. Req.
Shift Clock
Transmit Shift
Register
Transmit
Buffer Reg.
TBUF
17-4
TC1728
shows the block diagram
f
BR
16
f
BRT
RIR
TIR
TBIR
EIR
TXD
MCA06201
V1.0, 2011-12