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TDA8745 Datasheet(PDF) 11 Page - NXP Semiconductors

No. de pieza TDA8745
Descripción Electrónicos  Satellite sound receiver with I2C-bus control
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Fabricante Electrónico  PHILIPS [NXP Semiconductors]
Página de inicio  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA8745 Datasheet(HTML) 11 Page - NXP Semiconductors

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1996 Mar 11
11
Philips Semiconductors
Preliminary specification
Satellite sound receiver with I2C-bus control
TDA8745
I2C-BUS PROTOCOL
Table 1
Slave receiver/transmitter address: D4 or D6 (HEX)
Notes
1. AS bit defined by level at address select (pin 12); 0 V = logic 0; 5 V = logic 1.
2. R/W = 0; TDA8745 is receiver (microcontroller is master transmitter).
R/W = 1; TDA8745 is transmitter (microcontroller is master receiver).
TDA8745 receiver use
In the receiver mode the device has four subaddresses with auto-increment, as shown in Tables 2 to 5.
Table 2
Input byte SA: 00; situation after POR
Table 3
Tuning byte SA: 01; situation after POR
Table 4
Select byte SA: 02; situation after POR
Table 5
Audio byte SA: 03; situation after POR
TDA8745 transmitter use
No subaddress.
Table 6
Read byte
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
110101
AS(1)
R/W(2)
IL2
i7
IL1
i6
IL0
i5
IR2
i4
IR1
i3
IR0
i2
TUN9
i1
TUN8
i0
00000110
TUN7
t7
TUN6
t6
TUN5
t5
TUN4
t4
TUN3
t3
TUN2
t2
TUN1
t1
TUN0
t0
11101100
TEST
s7
BB
s6
OS1
s5
OS0
s4
PDM
s3
PE
s2
OML
s1
OMR
s0
00000011
LEV3
a7
LEV2
a6
LEV1
a5
LEV0
a4
NR
a3
DEM1
a2
DEM0
a1
BPFN
a0
11001110
PDL
r7
PDR
r6
r5
r4
r3
r2
r1
POR
r0
0 or 1
0 or 1
11111
0 or 1


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