Philips Semiconductors
SC16C654B/654DB
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs
UART frame
start
data bits
stop
TX data
0
1
0
1
0
0
1
1
0
1
IrDA TX data
1
/ bit time
2
3
/
16
bit time
bit
time
002aaa212
Fig 25. Infrared transmit timing
IrDA RX data
bit
time
RX data
0
1
0
1
0
0 to 1 16脳 clock delay
0
1
1
0
1
start
data bits
stop
UART frame
002aaa213
Fig 26. Infrared receive timing
9397 750 14965
漏 Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 02 鈥?20 June 2005
47 of 58