Datasheet

Detailed Controller Description
11
SLLS519H—January 2010 TUSB3410, TUSB3410I
From
UART
M
U
X
IR
Encoder
SOUT/IR_SOUT
Terminal
1
0
IR_TX
SOUT
UART
BaudOut
Clock
IREN (in
USBCTL
Register)
M
U
X
1
0
SOFTSW (in
MODECNFG
Register)
TXCNTL (in
MODECNFG
Register)
M
U
X
1
0
CLKOUT
Terminal
CLKOUTEN
(in
MODECNFG
Register)
3.556 MHz
M
U
X
1
0
CLKSLCT (in
MODECNFG
Register)
To
UART
Receiver
IR
Decoder
IR_RX
SIN/IR_SIN
Terminal
3.3 V
SOUT
SIN
Figure 3−1. RS-232 and IR Mode Select