Read Sharp GX-BT3 (serv.man4) Service Manual online
GX-BT7
4 – 10
IC900 VHISTA559BW-1 : Digital Power Amplifier IC (1/2)
Figure 4-8: Pin Configuration
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
VDD_DIG
GND_DIG
SCL
SDA
INT_LINE
RESET
SDI
LRCKI
BICKI
XTI
GND_PLL
FILTER_PLL
VDD_PLL
PWRDN
GND_DIG
VDD_DIG
TWARN / OUT4A
EAPD / OUT4B
GND_SUB
SA
TEST_MODE
VSS
VCC_REG
OUT2B
GND2
VCC2
OUT2A
OUT1B
VCC1
GND1
OUT1A
GND_REG
VDD
CONFIG
OUT3B / FFX3B
OUT3A / FFX3A
EP, exposed pad
(device ground)
(device ground)
Pin description
n
o
i
t
p
i
r
c
s
e
D
e
m
a
N
e
p
y
T
n
i
P
1
GND
GND_SUB
Substrate ground
2
I
SA
I
2
C select address (pull-down)
3
I
TEST_MODE
This pin must be connected to ground (pull-down)
4
I/O
VSS
Internal reference at V
CC
- 3.3 V
5
I/O
VCC_REG
Internal V
CC
reference
6
O
OUT2B
Output half-bridge channel 2B
7
GND
GND2
Power negative supply
8
Power
VCC2
Power positive supply
9
O
OUT2A
Output half-bridge channel 2A
10
O
OUT1B
Output half-bridge channel 1B
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