User`s manual
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A A
B B
C C
D D
POWER
Single Tone Generator
MISC
HEART BEAT
GND
VEEVCC
EZADS20.DSN 2.0
M68EZ328ADS
2 Dai King Street, Tai Po Industrial Estate, Tai Po, NT, Hong Kong.
B
810Wednesday, January 05, 2000
Title
Size Document Number Rev
Date: Sheet
of
~DRAM0
~EMUIRQ
~CSROM0~CSA0
~RAS0
~EMUBRK
~CSA1 ~CSROM1
A1
MON_SEL0
MON_SEL2
MON_SEL1
VCC
VCC
VCC
VCC
VCC
VCC XVEE
VSS
VCCVDD
GND
VCC
VCC
VCC
LED2
GREEN LED
R43
1K
R45
33R
R44
100K
Q1
BC847AWT1
BZ1
CitiSound CHB-03E
+
1
-
2
C4
0.1u
RP1
4K7 X 4
1 8
2 7
3 6
4 5
S1
SW DIP-8
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
RP2
4K7 X 4
1 8
2 7
3 6
4 5
S2
SW DIP-8
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
R41
330
R42
330
LED1
RED LED
U5A
MC74HC14D
1 2
+
C5
220u
D2
C6
0.1u
P2
1
2
C7
0.1u
P1
D1
TP1
Test Point - VCC
1
U4
MC14521BD
IN1
9
IN2
6
RST
2
Q18
10
Q19
11
Q20
12
Q21
13
Q22
14
Q23
15
Q24
1
OT1
7
OT2
4
VDD
5
VSS
3
RP3
4K7 X 4
1 8
2 7
3 6
4 5
R60
4K7
R59
4K7
TONE_OUT
PWMO
~PEN_CS
~IRQ5
TOUT/TIN
~PEN_IRQ
~UART_EN
~IRDA_EN
TONE_OUT
~IRQ1
~CSROM0
~CSROM1
~DRAM0
~EMUBRK
~CSA1
~RAS0
~EMUIRQ
MON_SEL0
~CSA0
~EMU
~BOOTSTRAP
A1
MON_SEL1
MON_SEL2
Freescale Semiconductor, I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005
ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005