TCC720 Datasheet, PDF (91/143 Pages) List of Unclassifed Manufacturers – 32-bit RISC Microprocessor For Digital Media Player

TCC720
32-bit RISC Microprocessor for Digital Media Player
Dec. 16. 2002
UART / IrDA
Preliminary Spec 0.51
IrDA Configuration Register 1 (IrDACFG1)
0x80000614
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
EN P1 POL LB
0
PW
EN [15]
0
1
IrDA TX Enable
IrDA TX is disabled, UART mode is used
IrDA TX is enabled
P1 [14]
0
1
Transmit Pulse Type
Pulse width is proportional to selected baud speed
Pulse width is proportional to UART base clock speed
POL [13]
0
1
Transmit Pulse Polarity
TX ‘0’ data is converted to level high pulse
TX ‘0’ data is converted to level low pulse
LB [12]
0
1
Loopback
Normal operation
Transmitted data is fed back to RX port.
PW [3:0]
n
IrDA RZ Pulse Width
Represents pulse width of TX ‘0’ data. If n = 3, during 3/16 of its 1 bit period
or 3 * 3686400^-1 sec, the high pulse is generated
9-9