VS1000
4
PACKAGES AND PIN DESCRIPTIONS
4.2 LQFP-48 Pin Descriptions
Pin Name
LQFP Pin
Function
Pin
Type
XRESET
1
2
3
4
5
6
7
8
DI
Active low asynchronous reset, schmitt-trigger input
Nand-flash IO0 / General-purpose IO Port 0, bit 0
Nand-flash IO1 / General-purpose IO Port 0, bit 1
Nand-flash IO2 / General-purpose IO Port 0, bit 2
Nand-flash IO3 / General-purpose IO Port 0, bit 3
Core & I/O ground
NFDIO0 / GPIO0_0
NFDIO1 / GPIO0_1
NFDIO2 / GPIO0_2
NFDIO3 / GPIO0_3
DGND0
IOVDD1
TEST
NFDIO4 / GPIO0_4
NFDIO5 / GPIO0_5
NFDIO6 / GPIO0_6
NFDIO7 / GPIO0_7
DIO
DIO
DIO
DIO
DGND
IOPWR
DI
DIO
DIO
DIO
DIO
I/O power supply
Test mode input (active high), connect to DGND
Nand-flash IO4 / General-purpose IO Port 0, bit 4
Nand-flash IO5 / General-purpose IO Port 0, bit 5
Nand-flash IO6 / General-purpose IO Port 0, bit 6
Nand-flash IO7 / General-purpose IO Port 0, bit 7
9
10
11
12
NFRDY / GPIO0_8
NFRD / GPIO0_9
NFCE / GPIO0_10
NFCLE / GPIO0_12 16
NFALE / GPIO0_13
DGND1
13
14
15
DIO
DIO
DIO
DIO
Nand-flash READY / General-purpose IO Port 0, bit 8
Nand-flash RD / General-purpose IO Port 0, bit 9
Nand-flash CE / General-purpose IO Port 0, bit 10
Nand-flash CLE / General-purpose IO Port 0, bit 12
Nand-flash ALE / General-purpose IO Port 0, bit 13
Core & I/O ground
I/O power supply
Nand-flash WR / General-purpose IO Port 0, bit 11
General-purpose IO Port 0, bit 14
17
18
19
20
21
22
23
24
DIO
DGND
IOPWR
DIO
DIO
DIO
IOVDD2
NFWR / GPIO0_11
CS2 / GPIO0_14
XCS / GPIO1_0
SCLK / GPIO1_1
SI / GPIO1_2
SPI XCS / General-Purpose I/O Port 1, bit 0
SPI CLK / General-Purpose I/O Port 1, bit 1
SPI MISO / General-Purpose I/O Port 1, bit 2
DIO
DIO
SO / GPIO1_3
TX / GPIO1_4
RX / GPIO1_5
XTALI
XTALO
IOVDD
DGND2
CVDD
VHIGH
AVDD
USBP
25
26
27
28
29
30
31
32
33
34
35
36
DIO
DIO
DIO
AI
SPI MOSI / General-Purpose I/O Port 1, bit 3
UART TX / General-Purpose I/O Port 1, bit 4
UART RX / General-Purpose I/O Port 1, bit 5
Crystal input
Crystal output
I/O power supply, Regulator output
Core & I/O ground
Core power supply, Regulator output
Power supply, Regulator input
Analog power supply, Regulator output
USB differential + in / out, controllable 1.5kΩ pull-up
USB differential - in / out
AO
IOPWR
DGND
CPWR
PWR
APWR
AIO
USBN
AIO
PWRBTN
AGND0
AVDD1
RIGHT
AGND1
AGND2
CBUF
AVDD2
RCAP
AVDD3
LEFT
37
38
39
40
41
42
43
44
45
46
47
48
AIO
Power button for Regulator startup (and Power Key)
Analog ground
Analog power supply
Right channel output
Analog ground
Analog ground
Common voltage buffer for headphones
Analog power supply
Filtering capacitance for reference
Analog power supply
Left channel output
APWR
APWR
AO
APWR
APWR
AO
APWR
AIO
APWR
AO
AGND3
APWR
Analog ground
Version: 1.4, 2011-10-06
9
ETC [ ETC ]
