
VLSI
Solution
y
VS1003 PRELIMINARY
VS1003
5. PACKAGES AND PIN DESCRIPTIONS
5.2
LQFP-48 and BGA-49 Pin Descriptions
Pin Name
LQFP-
48 Pin
1
2
3
4
5
6
7
8
9
10
13
14
15
16
17
18
19
BGA49
Ball
C3
C2
B1
D2
C1
D3
D1
E2
E1
F2
E3
F3
G2
F4
G3
E4
G4
F5
Pin
Type
AI
AI
DI
DGND
CPWR
IOPWR
CPWR
DO
DIO
DIO
DI
IOPWR
DO
DGND
AO
AI
IOPWR
IOPWR
DGND
DGND
DGND
DI
CPWR
DI
DO
DI
DI
DO3
CPWR
DI
DIO
Function
MICP
MICN
XRESET
DGND0
CVDD0
IOVDD0
CVDD1
DREQ
GPIO2 / DCLK
1
GPIO3 / SDATA
1
XDCS/BSYNC
1
IOVDD1
VCO
DGND1
XTALO
XTALI
IOVDD2
IOVDD3
DGND2
DGND3
DGND4
XCS
CVDD2
RX
TX
SCLK
SI
SO
CVDD3
TEST
GPIO0/SPIBOOT 33
Positive differential microphone input, self-biasing
Negative differential microphone input, self-biasing
Active low asynchronous reset
Core & I/O ground
Core power supply
I/O power supply
Core power supply
Data request, input bus
General purpose IO 2 / serial input data bus clock
General purpose IO 3 / serial data input
Data chip select / byte sync
I/O power supply
Clock VCO output
Core & I/O ground
Crystal output
Crystal input
I/O power supply
I/O power supply
Core & I/O ground
Core & I/O ground
Core & I/O ground
Chip select input (active low)
Core power supply
UART receive, connect to IOVDD if not used
UART transmit
Clock for serial bus
Serial input
Serial output
Core power supply
Reserved for test, connect to IOVDD
General purpose IO 0 / SPIBOOT, use 100 k
pull-down
resistor
2
General purpose IO 1
Analog ground, low-noise reference
Analog power supply
Right channel output
Analog ground
Analog ground
Ground buffer
Analog power supply
Filtering capacitance for reference
Analog power supply
Left channel output
Analog ground
Line input
20
21
22
23
24
26
27
28
29
30
31
32
G5
F6
G6
G7
E6
F7
D6
E7
D5
D7
C6
C7
GPIO1
AGND0
AVDD0
RIGHT
AGND1
AGND2
GBUF
AVDD1
RCAP
AVDD2
LEFT
AGND3
LINEIN
34
37
38
39
40
41
42
43
44
45
46
47
48
B6
C5
B5
A6
B4
A5
C4
A4
B3
A3
B2
A2
A1
DIO
APWR
APWR
AO
APWR
APWR
AO
APWR
AIO
APWR
AO
APWR
AI
1
First pin function is active in New Mode, latter in Compatibility Mode.
2
Unless pull-down resistor is used, SPI Boot is tried. See Chapter 9.4 for details.
Version 0.92,
2005-06-07
13