PixArt Imaging Inc.
PAN3203DI
Wireless Optical Mouse Single Chip
4. Referencing Application Circuit
4.1 1.8V Application Circuit (with Red LED)
#1. Battery Power Circuit
Optional power source: A or B
BAT_1.5V
A. DC/DC Converter
BAT_1.5V
L2
220uH
D3
1N5819
VCC_1.8V
B. Regulator
VIN PAD
BAT_3.0V
U5
ELM9818
R9
170K
VCC_1.8V
Q4
2N3906
R10
470K
BatDetect
R11
100K
VR1
100K
VR2
VCC_1.8V
Q4
2N3906
BatDetect
R14
100K
BAT_3.0V
VOUT
C30
47uF
U1
SW
GND
C31
GND
VIN
VOUT
VCC_1.8V
C33
22uF
C32
22uF
ELM9318
100uF
100K
A
#2. EEPROM & LED-POWER Circuit
U3
24AA02
VCC_1.8V
BAT_1.5V
D2
L1 200uH
1N5819
LED_2.7V
A0 VCC
A1
WP
A2
SCL
VSS SDA
VOUT
ISCK
ISDA
0.1uF
SW
C3
47uF
U2
GND
C5
C4
47uF
ELM9327
#3. RF TX Circuit
VCC_1.8V
R20
BAT_3.0V
R21
RFDATA
R3 10K
* R5 open
open/short
Q1
2N3906
RFosc
C6
22pF
Q2
3904
R6 2K
R7
10K
short/open
C8
1uF
+
R4
10R
C10
0.1uF
+
C11
1uF
RFEN
C9
0.1uF
R8
10K
RFcarrier
C12
100pF
Q3
3904
C13
100pF
#4. Sensor Circuit
Z1
Z2
LKEY
B4
LED_2.7V
R1
D1
1
2
3
4
5
6
X1
RFosc
* C19
VCC_1.8V
27.042MHZ
8
+
U4
VCC_1.8V
ZY1
ZY2
BL
B4
LED
OSCOUT
OSCIN
VDDD
VSS
VDD
VDDA
VREF
BATLow
RFU
NC
BM
BR
RFEN
RFDATA
RFID
ISDA
ISCK
NC
B5
24
23
22
21
20
19
18
17
16
15
14
13
BatDetect
RFU
Z1
Z2
MKEY
RKEY
RFEN
RFDATA
RFID
ISDA
ISCK
ENSW1
Z2
COM
Z1
ENCODER
LKEY
SW1
RKEY
SW2
MKEY
SW3
B4
B5
SW4
SW5
RFcarrier
C18 10pF
7
C20
1uF
9
10
11
C21
+
C22
C23
+
12
C24
B5
RFID
SW6
RFU
* SW7
10uF 0.1uF 1uF
0.1uF
PAN3203DI
Note1:
R20
R21
short
open ==>VDD_1.8V
open
short ==>BAT_3.0V
Note2:
Please reserve C19,R5,SW7 for future use
Figure4. Application Circuit for 1.8V (with Red LED)
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7
V0.1 Jan. 2006
PixArt Imaging Inc.
E-mail:
fae_service@pixart.com.tw
PIXART [ PIXART IMAGING INC. ]
