w83977atg Winbond Electronics Corp America, w83977atg Datasheet - Page 81

• Manufacturer Part Number: w83977atg
• Description: W83877tf Plus Kbc, Gp I/o, Wake-up, Fir, Cir, Pb-free
• Manufacturer: Winbond Electronics Corp America

Bit 6:
Bit 5:
Bit 4:
Bit 2:
Bit 1:
Bit 0:
7.8.2
This 5-bit register sets MIR output pulse width.
Reset Value
MIR_PW
REG.
M_PW4~0
00000
00001
00010
11111
Set6.Reg1 - MIR (1.152M/0.576M bps) Pulse Width
k
...
...
10
SHDM_N - ASK-IR Demodulation Disable
FIR_CRC - FIR (4M bps) CRC Type
Note that the 16/32-bit CRC are defined in IrDA 1.1 physical layer.
MIR_CRC - MIR (1.152M/0.576M bps) CRC Type
INV_CRC - Inverting CRC
When set to 1, the CRC is inversely output in physical layer.
DIS_CRC - Disable CRC
When set to 1, the transmitter does not transmit CRC in physical layer.
Reserved, write 1.
BIT 7
0
-
MIR PULSE WIDTH (1.152M BPS)
MIR_CRC
FIR_CRC
SHDM_N
BIT 6
0
1
0
1
0
1
41.66 (==20.83*2) ns
0
-
20.83*k
20.83 ns
645 ns
0 ns
BIT 5
...
...
0
10
-
ns
M_PW4
BIT 4
- 73 -
0
W83977ATF/W83977ATG
Demodulation 500K Hz
M_PW3
Demodulation Mode
BIT 3
1
Re-rout IRRX
MIR OUTPUT WIDTH (0.576M BPS)
16-bit CRC
32-bit CRC
16-bit CRC
32-bit CRC
CRC Type
CRC Type
Publication Release Date: May 2006
M_PW2
BIT 2
83.32 (==41.66*2) ns
0
41.66*k
41.66 ns
1290 ns
0 ns
...
...
M_PW1
BIT 1
10
1
ns
Revision 0.6
M_PW0
BIT 0
0