- 2-25 -
• IC805
BLOCK DIAGRAM
PLL
RISC
Program
RAM
Clock Divider
UHC
Interrupt
LED
USB
Transceirver
LED1~2
D-
D+
14.318MHz
I2V
Bit Stream
MP3
decoder
Input
Button
DAC
USB
device
• PIN CONFIGUARTION
GPIOA [7 ]
GPIOA [6 ]
NC
NC
NC
NC
gnd
vdd
LED1_out
NC
GPIOA [5 ]
GPIOA [4 ]
1
2
3
4
5
6
7
8
9
10
11
12
25
26
27
28
29
30
31
32
33
34
35
36
GPIOB [2 ]
NC
GPIOB [0 ]
sda
scl
NC
vdd
xtal2
xtal1
gnd
reset_b
NC
GPIO
A [0 ]
GPIO
A [1 ]
NC
NC
NC
vdd
gnd
NC
NC
NC
GPIO
A [2 ]
GPIO
A [3 ]
NC
SIC
REQ
SID
NC
vdd
DPLS_IO
DMNS_IO
gnd
GPIOB [1 ]
e
xt_int5
GPIOB [3 ]
13
14
15
16
17
18
19
20
21
22
23
24
37
38
39
40
41
42
43
44
45
46
47
48
Summary of Contents for LX-U250A
Page 7: ... 1 6 ...
Page 29: ... 2 22 INTERNAL BLOCK DIAGRAM of ICs NJW1190 BLOCK DIAGRAM ...
Page 30: ... 2 23 PIN FUNCTION SSOP44 ...
Page 31: ... 2 24 PIN FUNCTION QFP48 P1 ...
Page 35: ... 2 28 PIN DESCRIPTION ...
Page 36: ... BLOCK DIAGRAM 2 29 2 30 ...
Page 37: ...2 31 2 32 WMA USB BLOCK DIAGRAM ...
Page 38: ...2 33 2 34 SCHEMATIC DIAGRAMS MAIN SCHEMATIC DIAGRAM ...
Page 39: ...2 35 2 36 FRONT SCHEMATIC DIAGRAM ...
Page 40: ...2 37 2 38 POWER SCHEMATIC DIAGRAM ...
Page 41: ...2 39 2 40 DECK SCHEMATIC DIAGRAM ...
Page 42: ...2 41 2 42 CD SCHEMATIC DIAGRAM ...
Page 43: ...2 43 2 44 USB SCHEMATIC DIAGRAM ...
Page 44: ...2 45 2 46 WIRING DIAGRAM ...
Page 45: ...2 47 2 48 PRINTED CIRCUIT DIAGRAMS MAIN P C BOARD ...
Page 46: ...2 49 2 50 FRONT P C BOARD ...
Page 47: ... CDP P C BOARD COMPONENT SIDE 2 51 2 52 ...
Page 48: ...2 53 2 54 CDP P C BOARD SOLDER SIDE ...
Page 49: ...2 55 2 56 LINEAR POWER ...
Page 53: ...3 5 3 6 ...
Page 54: ... 4 1 MODEL LXS U250 850 851 860 852 857 856 855 854 853 861 SECTION 4 SPEAKER SECTION ...
Page 55: ... 4 2 ...
