W83977G Winbond Electronics Corp America, W83977G Datasheet - Page 64

• Manufacturer Part Number: W83977G
• Description: W83877TF plus KBC, CIR, RTC, Pb-free
• Manufacturer: Winbond Electronics Corp America

Bit 4:
Bit 3:
Bit 2:
Bit 1, 0:
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
(BIT 7, 6, 5)
MIR, FIR Modes:
Other Modes: Not used.
MIR, FIR modes:
Other Modes: Not used.
MIR, FIR modes:
Other modes: Not used.
AD_MD2~0
SIR_PLS - Send Infrared Pulse
Writing 1 to this bit will send a 2
signal to SIR that the high speed infrared is still in. This bit will be auto cleared by
hardware.
TX_WT - Transmission Waiting
If this bit is set to 1, the transmitter will wait for TX FIFO reaching threshold level or
transmitter time-out before it begins to transmit data which prevents short queues of data
bytes from transmitting prematurely. This is to avoid Underrun.
EN_DMA - Enable DMA
Enable DMA function for transmitting or receiving. Before using this, the DMA channel
should be selected first. If only RX DMA channel is set and TX DMA channel is disabled,
then the single DMA channel is used. In the single channel system, the bit of D_CHSW
(DMA channel swap, in Set 2.Reg2.Bit3) will determine if it is RX_DMA or TX_DMA
channel.
RTS, DTR
Functional definitions is the same as in legacy IR mode.
000
001
010
011
100
101
110
111
μ
s long infrared pulse after physical frame end. This is to
-56
High Speed MIR (1.152M bps)
Low speed MIR (0.576M bps)
SELECTED MODE
Advanced ASK-IR
Advanced SIR
Consumer IR
FIR (4M bps)
Reserved
Reserved