BU92747XXX Datasheet, PDF (39/46 Pages) Rohm – IrDA Controller LSI built-in Ir remote control

BD92747XXX
Datasheet
●INITIAL VALUE OF REGISTER
Register name
Register setting
Time
Initial value
Initial value
unit
Base
00h
0.0625
μs
Clo1, Clo0
1h, 19h
17.56
μs
Chi1, Chi0
0h, 8Fh
8.94
μs
Hlo1, Hlo0
00h, ABh
4.5
ms
Hhi1, Hhi0
01h, 58h
9.1
ms
D0lo1, D0lo0
00h, 14h
530
μs
D0hi1, D0hi0
00h, 14h
530
μs
D1lo1, D1lo0
00h, 14h
530
μs
D1hi1, D1hi0
00h, 3Ch
1590
μs
EndLen1,EndLen0
00h, 14h
530
μs
BitLen
20h
32
bit
FrmLen1, FrmLen0
00h, 00h
0
μs
Condition
XIN=48MHz
XIN=48MHz
XIN=48MHz
carrier frequency＝37.9kHz，Divs=0
carrier frequency＝37.9kHz，Divs=0
carrier frequency＝37.9kHz，Divs=0
carrier frequency＝37.9kHz，Divs=0
carrier frequency＝37.9kHz，Divs=0
carrier frequency＝37.9kHz，Divs=0
carrier frequency＝37.9kHz，Divs=0
carrier frequency＝37.9kHz，Divs=0
●RANGE OF REGISTER SETTING (Divs=0)
The enable range of
Time
Register name
register setting
(XIN=48MHz)
Condition
min
max
min
max
Base
00h
FFh
0.0625
31.875
μS
Clo1, Clo0
0h, 01h
1h, FFh
0.0625
31.938
μS
Chi1, Chi0
0h, 01h
1h, FFh
0.0625
31.938
μS
Hlo1, Hlo0
00h, 00h,
3Fh, FFh
0
16383
carrier cycle
Hhi1, Hhi0
00h, 00h,
3Fh, FFh
0
16383
carrier cycle
D0lo1, D0lo0
00h, 01h,
3Fh, FFh
1
16383
carrier cycle
D0hi1, D0hi0
00h, 01h,
3Fh, FFh
1
D1lo1, D1lo0
00h, 01h,
3Fh, FFh
1
D1hi1, D1hi0
00h, 01h,
3Fh, FFh
1
EndLen1,EndLen0
00h, 01h,
3Fh, FFh
0
16383
16383
16383
16383
carrier cycle
carrier cycle
carrier cycle
carrier cycle
BitLen
00h
80h
0
128
bit
FrmLen1, FrmLen0
①
FFh, FFh
①
65535
carrier cycle
※Don’t set the data that is out of the range in these registers, because it doesn’t guarantee the operation.
① applies the following expression: (Hhi+Hlo)+max{(D0hi+D0lo), (D1hi+D1ho)}×(Bit Len)+(End Len)+4 (Frmb=0),4 (Frmb=1)
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TSZ22111・15・001
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TSZ02201-0E4E0F100020-1-2
24. June. 2015 Rev.001