6-1
001-3282-101/102
4.7K
R248
4.7K
R227
CR220
R
G
1
2
4
3
C251
68pF
J400
2
J400
1
100K
R418
031_060_TestPoint
TP400
C222
0.01
JIC
R201
22pF
C230
22pF
C231
0.001
C204
1
C250
47K
R269
47K
R268
R267
47K
R266
47K
Q253
2N3904
Q252
2N3904
0.1
C203
2.2M
R224
2.2K
R225
68pF
C106
68pF
C105
68pF
C104
68pF
C103
68pF
C102
68pF
C101
68pF
C100
68pF
C121
68pF
C120
68pF
C119
68pF
C118
68pF
C117
68pF
C116
68pF
C115
68pF
C114
68pF
C113
68pF
C112
68pF
C111
68pF
C110
39
R270
39
R275
39
R271
39
R272
4.7
C459
4.7
C458
22pF
C221
22pF
C220
0.01
C201
0.01
C200
0.001
C408
0.01
C407
100pF
C406
0.001
C405
680K
R404
680K
R403
100K
R454
100K
R453
68pF
C404
100pF
C403
0.01
C402
0.01
C401
0.01
C457
0.01
C456
0.001
C455
220pF
C454
0.01
C453
0.01
C452
0.001
C451
C202
4.7
4.7
C241
4.7
C240
Q250
2N3906
1.0uH
L250
U200
LP2951
2
SENSE
6
+5TAP
3
SD
7
FB
8
VCC
4
GND
5
_ERR
1
+5OUT
U210
2
TD
1
_PBRST
3
TOL
8
VCC
7
_ST
5
RST
4
GND
6
_RST
U205
MC33164D
4
GND
2
INPUT
1
_RESET
8
NC8
7
NC7
6
NC6
5
NC5
3
NC3
U230
73K302L
20
_CS
1
CLK
15
VCC
12
ALE
22
RXD
23
RXCLK
28
GND
24
ISET
8
AD4
7
AD3
18
TXCLK
16
TXA
26
VREF
2
XTL1
21
TXD
9
AD5
6
AD2
4
AD0
5
AD1
14
_RD
25
RESET
19
EXCLK
13
_WR
11
AD7
10
AD6
17
_INT
27
RXA
3
XTL2
MC68HC711E9CFN2
U220
12
PC3|AD3
44
PE4|AN4
46
PE5|AN5
48
PE6|AN6
50
PE7|AN7
27
PA7|PA1|OC1
43
PE0|AN0
45
PE1|AN1
52
VRH
21
PD1|TXD
22
PD2|MISO
23
PD3|MOSI
24
PD4|SCK
51
VRL
5
E
49
PE3|AN3
26
VCC
33
PA1|IC2
32
PA2|IC1
31
PA3|IC4|OC5|OC1
30
PA4|OC4|OC1
29
PA5|OC3|OC1
28
PA6|OC2|OC1
3
MODA|_LIR
2
MODB|VSTBY
19
_IRQ
18
_XIRQ
17
_RESET
34
PA0|IC3
47
PE2|AN2
7
EXTAL
8
XTAL
1
GND
25
PD5|_SS
39
PB3|A11
38
PB4|A12
37
PB5|A13
36
PB6|A14
35
PB7|A15
20
PD0|RXD
13
PC4|AD4
14
PC5|AD5
15
PC6|AD6
16
PC7|AD7
42
PB0|A8
41
PB1|A9
40
PB2|A10
4
STRA|AS
6
STRB|R|_W
9
PC0|AD0
10
PC1|AD1
11
PC2|AD2
MAX3243
U240
9
T1OUT
21
_INVALID
10
T2OUT
17
R3OUT
5
R2IN
6
R3IN
13
T2IN
1
C2+
8
R5IN
16
R4OUT
24
C1-
2
C2-
11
T3OUT
7
R4IN
14
T1IN
4
R1IN
26
VCC
3
V-
23
FORCEON
25
GND
27
V+
20
R2OUTB
19
R1OUT
18
R2OUT
28
C1+
15
R5OUT
22
_FORCEOFF
12
T3IN
S101
16
8
S101
15
7
S101
14
6
S101
13
5
S101
12
4
S101
11
3
S101
10
2
S101
9
1
Q256
2N3904
Q255
2N3904
Q254
2N3904
Q251
2N3904
11.059MHz
Y230
EP250
1N4746A
18V
CR250
5%
F250
1.5A
J102
1
J102
2
J102
3
J102
4
J102
5
J102
6
J102
7
J102
8
J102
9
J102
10
R410
JIC
R412
JIC
180K
R406
100K
R223
R218
100K
R220
100K
22
C233
C235
0.1
C234
0.1
C232
0.1
R210
100K
R211
100K
R212
100K
R213
100K
R214
100K
R215
100K
R216
100K
R217
100K
R230
100K
100K
R232
R231
2.2M
J101-1
1
J101-2
2
J101-3
3
J101-4
4
J101-5
5
J101-6
6
J101-7
7
J101-8
8
J101-20
20
J101-22
22
C245
0.33
C244
0.33
R240
39
C242
0.047
C243
0.33
Y220
8.000MHz
U400-C
MC33174D
8
10
9
J103-1
1
J103-2
2
J103-3
3
J103-4
4
J103-5
5
J103-6
6
J103-7
7
J103-8
8
J103-9
9
J103-10
10
J103-11
11
J103-12
12
J103-13
13
J103-14
14
J103-15
15
2.2K
R249
MC14053B
U401
15
Z
1
Y1
10
S
2
Y0
MC14053B
U401
4
Z
3
Y1
9
S
5
Y0
MC14053B
U401
14
Z
13
Y1
11
S
12
Y0
MC14053B
U401
6
_E
16
VDD
7
VEE
8
VSS
CW
CCW
R411
JIC
CW
CCW
10K
R457
C
W
C
C
W
100K
R400
TP401
031_060_TestPoint
TP450
031_060_TestPoint
031_060_TestPoint
TP220
MH3
REF1
680K
R417
56K
R402
56K
R408
R455
56K
56K
R450
56K
R452
47K
R263
47K
R255
47K
R256
47K
R264
47K
R258
47K
R259
47K
R265
47K
R261
47K
R262
470
R460
470
R415
470
R414
U450-C
MC33174D
8
10
9
27K
R451
27K
R407
22K
R416
180K
R405
15K
R456
R401
15K
100K
R200
100K
R257
100K
R254
100K
R260
JIC
R413
R222
100K
100K
R221
2.2K
R250
10K
R458
R459
10K
10K
R253
10K
R252
10K
R251
100K
R409
0.1
C400
0.1
C450
CR400
5%
9.1V
BZX84C
MC33174D
U450-E
11
GND
4
PWR
MC33174D
U400-E
11
GND
4
PWR
MC33174D
U450-B
7
5
6
U450-A
MC33174D
1
3
2
U400-A
MC33174D
1
3
2
U400-D
MC33174D
14
12
13
U400-B
MC33174D
7
5
6
MC33174D
U450-D
14
12
13
MOB_TX_DATA
MOB_TX_DATA
WB_OUT
WB_OUT
WB_OUT
RX_DATA
RX_DATA
RX_DATA
SUB_AUD_DATA
SUB_AUD_DATA
TX_DATA
TX_DATA
WB_IN
WB_IN
WB_IN
SOURCE
VREF
VREF
VREF
VREF
VREF
VREF
SOURCE
13.6V_FUSED
13.6V_FUSED
13.6V_FUSED
RX_AUDIO
RX_AUDIO
TX_AUDIO
TX_AUDIO
TXD
TXD
TXD
CS_0
CS_0
RTS
RTS
CTS
CTS
DTR
DTR
DCD
DCD
RXD
RXD
RXD
AD_3
AD_3
AD_4
AD_4
AD_5
AD_5
_IRQ
_IRQ
AD_1
AD_1
CS_2
CS_2
CS_4
CS_4
CS_3
CS_3
TX_MUTE
TX_MUTE
AD_0
AD_0
AD_6
AD_6
AD_2
AD_2
ARQ
ARQ
_SQUELCH
_SQUELCH
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
SOURCE
VCC
PTT
PTT
PTT
AD_7
AD_7
CS_1
CS_1
RX_TX
RX_TX
WB_SEL
WB_SEL
WB_SEL
WB_SEL
INTERCEPT
INTERCEPT
FINISH:
MATERIAL:
RELEASE DATE:
REFERENCE:
.XXX
.XX
MM
DECIMALS
APPROVED BY:
CHECKED BY:
LAST MODIFIED BY:
DATE:
DATE:
DATE:
TOLERANCE UNLESS
OTHERWISE SPECIFIED
APPROVED BY:
DATE:
bhaman
m:\jdt_release_archive\2423282\3282-350.2\3282_350.2.tc
3/23/00
TP450
Short For Low Impedance
* These Parts Are Placed For Bootstrap Mode
EXTERNAL CONNECTOR
WB_IN
WB_OUT
FREQ_SELECT
RSSI
13.6V
_PTT_OUT
SQUELCH_IN
TX_DATA
GROUND
RX_DATA
*
*
*
RS232_RI
OPT 3
OPT 2
OPT 1
HALF/FULL DPLX
SQUELCH INVERT
BELL 202/103
CONV/ARQ
NORM/LOOP
COMPUTER CONNECTOR
RX_DATA
WB_OUT
GROUND
_ARQ_OUT
TX_RX
SUB_AUD_DATA
13.6V
13.6V
_TX_MUTE_OUT
_INTERCEPT
TX_DATA
WB_IN
GROUND
_PTT_OUT
SQUELCH_IN
MOBILE RADIO CONNECTOR
RS232_DTR
RS232_DCD
RS232_GND
RS232_DSR
RS232_CTS
RS232_RTS
RS232_TXD
RS232_RXD
SHIELD_GND
3282 Modem Schematic
Figure 8-1
1999 Dataradio COR Ltd.
COMPANY CONFIDENTIAL