Sharp HT-SB200 Service Manual page 43

IC901 VHISTA333BW-1 : 2.1 Channels High Efficiency Digital Audio System ( STA333BW ) ( 1/2 )
SA
SDI
LRCKI
BICKI
RESET
INT LINE
PWDN
XTI
SCL SDA
I2C
Serial Data Input
Channel mapping
EQ, Tone,
Volumes...
Processor
PLL
PLL_FILTER
Figure 7-6 BLOCK DIAGRAM OF IC
GND_SUB 1
2
SA
3
TEST MODE
4
VSS
5
VCC_REG
6
OUT2B
7
GND2
8
V cc2
OUT2A 9
10
OUT1B
V cc1
11
12
GND1
13
OUT1A
GND_REG 14
15
Vdd
CONFIG
16
OUT3B/DDX3B 17
OUT3A/DDX3A 18
Figure 7-7 PIN CONFIGURATION OF IC
CONFIG
POWER
CONTROL
STATUS
DDX3A
DDX3B
DDX4A/TWARNEXT
DDX4B/EAPD
V dd_DIG
36
35
GND_DIG
34
SCL
33
SDA
32 INT_LINE
RESET
31
30 SDI
LRCKI
29
BICKI
28
XTI
27
PLL_GND
26
25 PLL_FILTER
24
PLL_Vdd
23 POWRDN
22 GND_DIG
VDD_DIG
21
20 TWARN/OUT4B
19 EAPD/OUT4B
7 – 8
HT-SB200
OUT1A
OUT1B
OUT2A
OUT2B