- Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Reference PC Board Designer Reference Manual
DRM045 Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Reference PC Board
18 Schematic and Parts List MOTOROLA
Schematic and Parts List
Figure 4-1. ASB520 PC Board Schematic
Vdd
SW3
FWD
PTA2
PTA5
PTA5
R7
10
PTA0
Vbat
U1
NITRON_8_PIN_ADC
3
2
5
6
7
8
4
1
PTA4/OSC2/AD2/KBI4
PTA5/OSC1/AD3/KBI5
PTA2/IRQ/KBI2
PTA1/AD1/TCH1/KBI1
PTA0/AD0/TCH0/KBI0
Vss
PTA3/RST/KBI3
Vdd
JP1
Idd_TEST
1 2
12
Vdd
SW6
REV
Vdd
R1
47K
PTA2
Vdd
PTA1_ATD1
R2
330
R4
1K
R15
1k
R13
220
R6
470
R9
3.3K
SW1
POWER
C2
0.1
R12
2.2k
Q2
2N3906
JP3
SW_DISC
1 2
12
J1
MON08 CONNECTOR
1
3
5
7
9
11
13
15 16
14
12
10
8
6
4
2
1
3
5
7
9
11
13
15 16
14
12
10
8
6
4
2
JP4
IR_DISC
1 2
12
R3
47
SW2
PLAY
+
C1
470uF
PTA1_ATD1
JP2
CAP_DISC
1 2
12
R14
470
PTA4
X1
16MHz
BATTERY
BAT1
12
+-
Q1
2N3904
R11
4.7K
Vdd
R5
47K
R10
10M
PTA1_ATD1
PTA4
D1
IR_LED
D2
RED
SW5
PAUSE
PTA0
R8
47K
SW4
STOP
Vbat
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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