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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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