PAN3203DI Datasheet, PDF (8/13 Pages) Pixart Imaging Inc. – WIRELESS OPTICAL MOUSE SINGLE CHIP

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
A. DC/DC Converter
BAT_1.5V
BAT_1.5V
L2 220uH
IR_1.8V
VCC_1.8V
D2 1N5819
VR1
VCC_1.8V
+
C30
47uF
VOUT
SW
100K
+
C31 VR2
100uF
Q4
2N3906
BatDetect
R14
U1
ELM9318
100K
100K
B. Regulator
VIN PAD
BAT_3.0V
U5
ELM9818
IR_1.8V
VCC_1.8V
+
C32
22uF
+
C33
22uF
BAT_3.0V
R9
170K
R10
470K
VCC_1.8V
Q4
2N3906
BatDetect
R11
100K
#2. EEPROM Circuit
U3 24AA02
A0 VCC
A1 WP
A2 SCL
VSS SDA
ISCK
ISDA
#3. RF TX Circuit
VCC_1.8V
R20 short/open
BAT_3.0V
R21 open/short
RFDATA
R3 10K
Q1
2N3906
* R5 open
R6 2K
R7
10K
VCC_1.8V
C5
0.1uF
RFosc
C6
22pF
Q2
3904
R4 10R
C8
+
1uF
C10
0.1uF
C11
+
1uF
RFEN
C9
0.1uF
RFcarrier
C12
R8
100pF
10K
Q3
3904
C13
100pF
#4. Sensor Circuit
U4
VCC_1.8V
Z1 1 _ZY1
BATLow ^{24 BatDetect}
Z2 2 _ZY2
RFU ^{23 RFU}
LKEY 3 _BL
NC ²²
IR_1.8V
B4
R1
D1
RFcarrier ^{C18 10pF}
RFosc
X1
27.042MHZ
* C19
VCC_1.8V
C20
+
1uF
4 _B4
5 _LED
6 _OSCOUT
7 _OSCIN
8 _VDDD
9 _VSS
10 _VDD
BM ²¹
BR ²⁰
RFEN ¹⁹
RFDATA ¹⁸
RFID ¹⁷
ISDA ¹⁶
ISCK ¹⁵
MKEY
RKEY
RFEN
RFDATA
RFID
ISDA
ISCK
11 _VDDA
C21 C22 C23
+
+
12 _VREF
C24
NC ¹⁴
B5 ^{13 B5}
10uF 0.1uF 1uF
0.1uF
PAN3203DI
Note1:
R20
short
open
R21
open ==>VDD_1.8V
short ==>BAT_3.0V
ENSW1
Z1
Z2
COM
Z2
Z1
ENCODER
LKEY ^SW1
RKEY ^SW2
MKEY ^SW3
B4 ^SW4
B5 ^SW5
RFID ^SW6
RFU ^{* SW7}
Note2:
Please reserve C19,R5,SW7 for future use
Figure5. Application Circuit for 1.8V (with IR LED)
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PixArt Imaging Inc.
E-mail: [e-mail]
8
V0.1 Jan. 2006