W83787IF Datasheet, PDF (113/123 Pages) Winbond – WINBOND I/O WITH SERIAL-INFRARED SUPPORT

CR0D
bit 7: SIRTX1 => IRTX pin selection bit 1
bit 6: SIRTX0 => IRTX pin selection bit 0
SIRTX1 SIRTX0
0
0
0
1
1
0
1
1
IRTX output on pin
IRTX2 (pin 2) (default)
IRTX1 (pin 43)
IRTX3 (pin 95)
IRTX2 (pin 2)
bit 5: SIRRX1 => IRRX pin selection bit 1
bit 4: SIRRX0 => IRRX pin selection bit 0
SIRRX1 SIRRX0
0
0
0
1
1
0
1
1
IRRX input on pin
IRRX2 (pin 3) (default)
IRRX1 (pin 42)
IRRX4 (pin 94)
IRRX3 (pin 1)
bit 3: HDUPLX =0 The IR function is Full Duplex.
=1 The IR function is Half Duplex.
bit 2: IRMODE2 => IR function mode selection bit 2
bit 1: IRMODE1 => IR function mode selection bit 1
bit 0: IRMODE0 => IR function mode selection bit 0
IRMODE2 IRMODE1 IRMODE0
0
0
X
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
IR function IRTX
disable
high
IrDA
active pulse is 1.6 us
IrDA
active pulse is 3/16 baud
Sharp-IR inversion of SOUTB
Sharp-IR inversion of SOUTB
AND 500KHZ clock
Sharp-IR inversion of SOUTB
Sharp-IR inversion of SOUTB
AND 500KHZ clock
CR0E. CR0F :
bit 7 - bit 0 : Reversed for testing
IRRX
high
demod. into SIN2
demod. into SIN2
routed to SINB
routed to SINB
demod. into SINB
demod. into SINB
CR10:
bit 7 -bit 0 : GIO0AD7 - GIO0AD0 => GIOP0 (pin 92) address bit 7 - bit 0.
877/787I APN 3
Page 2 of 8