w83977atg Winbond Electronics Corp America, w83977atg Datasheet - Page 75
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)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
w83977atg-AW
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
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7.5.3
This register is read only. Reading this register returns IR FIFO Control Register (UFR) value of
0.
7.5.4
Reading this register returns E4H. Writing a value selects a Register Set.
7.6
7.6.1
This is a 12-bit timer whose resolution is 1ms, that is, the maximum programmable time is 2
The timer is a down-counter and starts counting down when EN_TMR (Enable Timer) of Set4.Reg2 is
set to 1. When the timer counts down to zero and EN_TMR=1, the TMR_I is set to 1 and a new initial
value will be loaded into counter.
7.6.2
Default Value
Default Value
Advanced IR
Reset Value
REG.
REG.
MODE
SSR
SSR
ADDRESS
OFFSET
Set4 - TX/RX/Timer counter registers and IR control registers.
Reg2 - Mapped IR FIFO Control Register (MP_UFR)
Reg3 - Sets Select Register (SSR)
Set4.Reg0, 1 - Timer Value Register (TMRL/TMRH)
Set4.Reg2 - Infrared Mode Select (IR_MSL)
0
1
2
3
4
5
6
7
BIT 7
SSR7
BIT 7
SSR7
BIT 7
0
0
1
-
REGISTER
BIT 6
IR_MSL
RFRLH
TFRLH
RFRLL
TFRLL
NAME
TMRH
TMRL
SSR
0
-
BIT 6
SSR6
BIT 6
SSR6
0
1
BIT 5
0
-
SSR5
SSR5
BIT 5
BIT 5
Timer Value Low Byte
Timer Value High Byte
Infrared Mode Select
Sets Select Register
Transmitter Frame Length Low Byte
Transmitter Frame Length High Byte
Receiver Frame Length Low Byte
Receiver Frame Length High Byte
BIT 4
0
1
0
-
IR_MSL1
BIT 4
SSR4
BIT 4
SSR4
- 67 -
BIT 3
0
0
0
W83977ATF/W83977ATG
REGISTER DESCRIPTION
SSR3
SSR3
BIT 3
BIT 3
0
0
IR_MSL0
BIT 2
0
Publication Release Date: May 2006
SSR2
SSR2
BIT 2
BIT 2
0
1
TMR_TST
BIT 1
0
SRR1
SRR1
BIT 1
BIT 1
0
0
EN_TMR
Revision 0.6
BIT 0
12
SRR0
SRR0
BIT 0
BIT 0
0
-1 ms.
0
0
SET
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