PixArt Imaging Inc.
PAN301BSI-208
CMOS Optical Mouse Sensor
7.4 27MHz RF TX Circuit Bypass Internal Regulator for Low Power Down Current
*Step-up DC/DC converter circuit
BATTERY
L1
POWER_3V
150uH
D1
1N5819
U1
AIC1642-33CX
C1
C2
3
2
SW
VOUT
47uF
100uF
L2
R15
0
3.3uH
DGND
AGND
BATTERY
*RF Circuit
R2
10
C4
0.1UF
C5
C3
0.1uF
1UF
RF_EN
C6
C7
0.1UF
R3
X1
R4
0.1UF
L3
27K
13.5225MHz
36K
2
R5
56K
C8
3.3uH
Q1
10pF
3904
C10
27pF
C11 100pF
Q2
C9
R7
Q3
C12
R6
36K
2
RF_DATA
2
27pF
C14
R8
2K
3904
C13
10K
3904
33pF
*MCU
C15 15pF
POWER_3V
X2
4MHz C16 15pF
POWER_3V
U2
ID_SYNC
PWR_EN
RF_EN
R9
1
2
3
4
5
6
7
8
9
18
P52
P51
RF_DATA
OSCI
17
16
15
14
13
12
11
10
P53
P50
OSCI
OSCO
VDD
P67
30K
TCC
OSCO
DGND
/RESET
VSS
C17
0.1uF
Z1
SCLK
SDIO
PD
P60./INT
P61
Z2
C18
P66
R_KEY
M_KEY
P62
P65
L_KEY
0.1uF
P63
P64
EM78P156
DGND
DGND
POWER_3V
POWER_3V
R11
LB1
R12
1
2
2
2
L_KEY
M_KEY
R_KEY
R10
100K
100K
R13
R14
10K
MB1
Z1
C19
Z2
20K
1
10K
C20
0.1uF
ID_SYNC
RB1
0.1uF
1
DGND
DGND
DGND
S1
ENSW1
2
Z1
Z2
3
COM
1
DGND
ENCODER
DGND
*SENSOR
POWER_3V
Q4
U3
PD
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
13
12
11
VSS_LED
LED
PD
SDIO
SCLK
NC
PWR_EN
1
P MOS
R1
D2
DGND
SDIO
SCLK
LED
X3
OSCOUT
OSCIN
VDDD
VSSD
VSSA
VDD
18.432MHz
NC
C21
C22
+
NC
10uF
0.1uF
DGND
AGND
XB
XA
AGND
VDDA
VRT
YB
10
YA
C24
0.1uF
PAN301BSI-208
AGND
Figure 21. 27MHz RF TX circuit bypass internal regulator for low power down current
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23
PixArt Imaging Inc.
E-mail: fae_service@pixart.com.tw
V1.1, MAY. 2004
PIXART [ PIXART IMAGING INC. ]
