w83977atg Winbond Electronics Corp America, w83977atg Datasheet - Page 58
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w83977atg
Manufacturer Part Number
w83977atg
Description
W83877tf Plus Kbc, Gp I/o, Wake-up, Fir, Cir, Pb-free
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83977ATG.pdf
(198 pages)
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Part Number:
w83977atg-AW
Manufacturer:
Nuvoton Technology Corporation of America
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10 000
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7. INFRARED (IR) PORT
The Infrared (IR) function provides a point-to-point (or multi-point to multi-point) wireless
communication which can operate under various transmission protocols including IrDA 1.0 SIR, IrDA
1.1 MIR (1.152 Mbps), IrDA 1.1 FIR (4 Mbps), SHARP ASK-IR, and remote control (NEC, RC-5,
advanced RC-5, and RECS-80 protocol).
7.1
When bank select enable bit (ENBNKSEL, the bit 0 in CRF0 of logic device 6) is set, legacy IR will be
switched to Advanced IR, and eight Register Sets can then be accessible. These Register Sets
control enhanced IR, SIR, MIR, or FIR. Also, a superior traditional SIR function can be used with
enhanced features such as 32-byte transmitter/receiver FIFOs, non-encoding IRQ identify status
register, and automatic flow control. The MIR/FIR and remote control registers are also defined in
these Register Sets. Structure of these Register Sets is as shown below.
Each of these register sets has a common register, namely Sets Select Register (SSR), in order to
switch to another register set. The summary description of these Sets is given below.
IR Register Description
*Set 0, 1 are legacy/Advanced UART Registers
*Set 2~7 are Advanced UART Registers
BDL/SSR
Reg 7
Reg 6
Reg 5
Reg 4
Reg 2
Reg 1
Reg 0
Set 0
Set 1
Set 2
Set 3
Set 4
Set 5
Set 6
- 50 -
Set 7
W83977ATF/W83977ATG
All in one Reg
to Select SSR
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