PixArt Imaging Inc.
PAN3203DI
Wireless Optical Mouse Single Chip
4.2 1.8V Application Circuit (with IR LED)
#1. Battery Power Circuit
Optional power source: A or B
BAT_1.5V
A. DC/DC Converter
BAT_1.5V
L2
220uH
D2
1N5819
IR_1.8V
VCC_1.8V
B. Regulator
VIN PAD
U5
ELM9818
IR_1.8V
VCC_1.8V
BAT_3.0V
R9
170K
VCC_1.8V
Q4
2N3906
R10
C33
22uF
470K
BatDetect
R11
100K
VR1
100K
BAT_3.0V
Q4
2N3906
BatDetect
+
VOUT
GND
C30
47uF
U1
+
SW
C31
100uF
VR2
100K
GND
VIN
VOUT
+
VCC_1.8V
+
R14
100K
C32
22uF
ELM9318
#2. EEPROM Circuit
U3
24AA02
VCC_1.8V
A0 VCC
A1
WP
A2
SCL
VSS SDA
#3. RF TX Circuit
VCC_1.8V
R20
BAT_3.0V
R21
open/short
short/open
ISCK
ISDA
C5
0.1uF
R4
C8
RFosc
Q1
2N3906
C6
22pF
Q2
3904
RFEN
C9
0.1uF
1uF
10R
C10
0.1uF
+
C11
1uF
+
RFDATA
R3 10K
* R5 open
C12
R8
10K
100pF
Q3
3904
C13
100pF
R6 2K
R7
10K
RFcarrier
#4. Sensor Circuit
Z1
Z2
LKEY
B4
IR_1.8V
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
Figure5. Application Circuit for 1.8V (with IR LED)
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.
8
V0.1 Jan. 2006
PixArt Imaging Inc.
E-mail:
fae_service@pixart.com.tw
PIXART [ PIXART IMAGING INC. ]
