Sharp HT-DV40H Service Manual page 124

HT-DV40H
Pin No. Terminal Name
65 DVDD2
66 PWDB
67 RSTB
68 INTB
69 MCUIFSEL
70 CE
71 SCL/CL
72 I2CBUSY/DI
73 SDA/DO
74 DVSS3
75 DVDD3
76 MRREQ
77* GPFLAG
78* EMPF
79 CVSS3
80 CVDD3
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
IC11 VHILC750512-1 : AUDIO ENHANCER ( LC750512 ) ( 2/2 )
BLOCK DIAGRAM
38
INR
37
INL
47
LRCKI
48
BCKI
49
DATAI
1
PLLPWPR
2
PLLGNDR
XSEL0,1,2
42,43,44
Input / Output
Input Digital power supply (+1.8V).
Input Power down input (L-Active).
Input Reset input (L-Active).
Input Interrupt input ("H" Fixed input).
Input Microprocessor I/F (CCB: Low; I2C: High). Select input.
Input Microprocessor I/F chip enable.
Input Microprocessor I/F clock input.
Input/Output Microprocessor I/F data input/12CBUSY output (H-Active).
Input/Output Microprocessor I/F data input/output (Nch open drain).
— Digital GND.
Input Digital power supply (+1.8V).
Output DSP-MCU communication error flag (H-Active).
Output DSP-MCU general-purpose flag (H-Active).
Output CCB input register status monitor flag.
— Digital GND.
Input Digital power supply (+3.3 V).
ADC
(20bit)
DSP CORE
24bit
ADC
(20bit)
Program ROM
Audio I/F
Data RAM
Delay RAM
PLL
CCB or I
VCO
Figure 8-7 BLOCK DIAGRAM OF IC
Function
DAC
L.P.F.
(20bit)
DAC
L.P.F.
(20bit)
Audio I/F
Audio I/F
Audio I/F
2
C
8 – 39
DAOUTL
29
28
EVRINL
R
27
AOUT1
Vref
30
DAOUTR
31
EVRINR
R
32
AOUT2
Vref
59
LRCKO
58
BCKO
57
DATAO0
56
DATAO1
55
DATAO2
PLLAVDD
3
PLLAVSS
4
PLLDVDD
5
PLLDVSS
6
AVDD1-4
24,25,34,40
AVSS1-4
23,26,33,39
BVDD1
22
BVSS1
21
CVDD1-4
15,46,61,80
CVSS1-4
16,45,79,60
DVDD1-4
10,52,65,75
DVSS1-4
9,51,64,74
XVDD
14
XVSS
11
36
VREF1
35
VREF2