xr16c850im Exar Corporation, xr16c850im Datasheet - Page 22

• Manufacturer Part Number: xr16c850im
• Description: Uart With 128-byte Fifos And Infrared Irda Encoder/decoder
• Manufacturer: Exar Corporation

XR16C850
2.97V TO 5.5V UART WITH 128-BYTE FIFO
F
IGURE
Receive
IR Pulse
(RX pin)
(FCTR
bit-2 = 0)
RX Data
Receive
IR Pulse
(RX pin)
(FCTR
bit-2 = 1)
RX Data
TX Data
Transmit
IR Pulse
(TX Pin)
15. I
NFRARED
0
Bit Time
Bit Time
Bit Time
0
0
1
1/16 Clock Delay
1/16 Clock Delay
T
RANSMIT
1
1
0
0
0
1
Character
Data Bits
D
1
1
0
ATA
22
3/16 Bit Time
Data Bits
Data Bits
Character
Character
0
0
E
0
NCODING AND
0
0
1
1
1
1
1
1
0
0
0
R
ECEIVE
1/2 Bit Time
1
1
1
IRdecoder-1
IRdecoder-1
IrEncoder-1
D
ATA
D
ECODING
xr
REV. 2.3.1