Operating instructions

1 2 3 4 5 6 7 8
A
B
C
D
87654321
D
C
B
A
2 9
Microprocessor
9154 B
20-Feb-2002 23:32:55
C:\Program Files\Design Explorer 99 SE\rft\t50\t50.Ddb - micro.sch
Title
Size: Number:
Print Date:
File:
Revision:
Sheet of
A3
RF Technology Pty Ltd
Unit 10, 8 Leighton Place
Hornsby, NSW 2077
AustraliaRev. Release Date: Originator:
Rev No. ECO No. Description of Change
MOD_PLL_SEL
RXDATA
PE4
48
SS
104
SCK
103
PF1
69
CSP0
73
PF6
74
CSD
72
CSO
68
R/W
38
A19
16
A18
13
A17
12
A16
11
A15
67
A14
66
A13
65
A12
64
A11
63
A10
62
A9
61
A8
60
A7
59
A6
58
A5
57
A4
56
A3
55
A2
54
A1
53
D7
35
D6
34
D5
33
D4
32
D3
31
D2
30
D1
29
D0
28
VCC
2
VCC
14
VCC
42
Vddpll
43
VCC
79
VCC
95
Vref
85
GND
1
GND
15
GND
41
GNDpll
45
GND
80
GND
96
GNDref
86
A0
52
AN7
94
AN6
93
AN5
92
AN4
91
AN3
90
AN2
89
AN1
88
AN0
87
PJ7
10
PJ6
9
PJ4
7
PJ3
6
PJ2
5
PJ5
8
PJ1
4
MODB
50
RESET
40
MODA
49
PE7
51
PE3
39
IRQ
37
XIRQ
36
PJ0
3
PH7
84
PH6
83
PH5
82
PH4
81
PH3
78
PH2
77
PH1
76
PH0
75
PF3
71
PF2
70
A21
18
A19
17
PD7
27
PD6
26
PD5
25
PD4
24
PD3
23
PD2
22
PD1
21
PD0
20
MOSI
102
MISO
101
TxD1
100
RxD1
99
TxD0
98
RxD0
97
PT7
112
PT6
111
PT5
110
PT4
109
PT3
108
PT2
107
PT1
106
PT0
105
EXTAL
46
XTAL
47
XFC
44
BKGD
19
U204
MC68HC812A0
TXDATA
RESET
12
RY/BY
36
CE
9
WE
38
OE
37
A21
39
A20
40
A19
1
A18
2
A17
3
A16
4
A15
5
A14
6
A13
7
A12
8
A11
13
A10
14
A9
15
A8
16
A7
17
A6
18
A5
19
A4
20
A3
21
A2
22
A1
23
A0
24
GND
29
VCC
10
D0
25
D7
35
D6
34
D5
33
D4
32
D3
28
D2
27
D1
26
VCC
31
GND
30
NC
11
U207
29F032
EN1
6
EN2A
4
EN2B
5
S2
3
S1
2
S0
1
VCC
16
GND
8
Y7
7
Y6
9
Y5
10
Y4
11
Y3
12
Y2
13
Y1
14
Y0
15
U205
74HC138
LOC_FWD_PWR
VCC
32
GND
16
CS
22
OE
24
WE
29
A1
11
A18
1
A17
30
A16
2
A15
31
A14
3
A13
28
A12
4
A11
25
A10
23
A9
26
A8
27
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
D7
21
D6
20
D5
19
D4
18
D3
17
D2
15
D1
14
D0
13
A0
12
U208
K6T4008
MOD_PLL_SENSE
PTT_IN
LOOP_DET
T/R_RELAY
RESET
TERM_EN1
GND
+5D1
TERM_EN2
TONE_DEV_U/D
GND
ALARM_LED
TX_LED
LINEINP_ADSEL
SCLK
MOSI
PTT_uPHONE
CHAN_PLL_SEL
RTS
FPSW1
DTR
CTS
CTCSS_SEL
EXT_TONE_SEL
LINEINP_DSEL
C206
100nF
C205
100nF
C204
100nF
LINE_LEVEL_SENSE
C207
100nF
CHAN_VCO_EN
LOOP/VOLTS_SEL
GND
SIGGEN_ADSEL
TONE_DEV_INC
MOD_BIAS
GND
R/W
CS0
CSD
FWT
FRD
RAMRD
RAMWT
VCC
20
GND
10
C
11
E
1
O7
2
O6
19
O5
5
O4
16
O3
6
O2
15
O1
9
O0
12
I7
3
I6
18
I5
4
I4
17
I3
7
I2
14
I1
8
I0
13
U209
74HC374
GND
+5D2
D7
D6
D5
D4
D3
D2
D1
D0
LCD_DB0
LCD_DB1
LCD_DB2
LCD_DB3
LCD_DB4
LCD_DB5
A21
A20
LCD_DB6
A19
A18
LCD_DB7
A17
LCD_R/W
A16
LCD_RS
A15
LCD_E
A14
A13
A12
A11
A10
FRDY
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
C212
100nF
D7
C208
100nF
D6
D5
GND
D4
GND
D3
D2
R218
10K
D1
R220
10K
D0
R217
10K
R219
10K
+5D3
+5D1
+5D1
C226
100nF
FPSW2
FPSW3
R223
10K
R224
10K
R225
10K
+5LCD
GND
DSR
RES
1
GND
4
VCC
2
NC
3
NC
5
NC
6
NC
7
NC
8
U203
MC33064D
GND
LCD_DB7
+5D3
LCD_DB6
LCD_DB5
LCD_DB4
R204
10K
LCD_DB3
R203
10K
LCD_DB2
S200
7914G
LCD_DB1
LCD_DB0
A21
MOD_PLL_SEL
A20
A19
LCD_E
A18
A17
LCD_RS
A16
A15
LCD_R/W
A14
A13
A12
12V
A11
R209
330R
A10
-12V
A9
R205
2K2
A8
A7
A6
A5
+
C219
3u3F
A4
A3
GND
A2
C202
100nF
A1
A0
+5D1
C222
100nF
+5D3
C220
100nF
R235
4K7
R207
68K
R202
10K
28V
GND
A18
A17
A16
C203
100nF
A15
A14
A13
A12
A11
L202
BLM31A601
A10
A9
+5D1
A8
A7
A6
A5
A4
A3
A2
A1
A0
L205
BLM31A601
L203
BLM31A601
D7
L204
BLM31A601
D6
D5
D4
+5D1
D3
D2
D1
D0
+5D2
R212
220R
DBGTX
D7
DBGRX
D6
D5
D4
D3
D2
BKGD
D1
D0
CTS_TTL
C211
100nF
DSR_TTL
C210
100nF
RTS_TTL
GND
Vref
DTR_TTL
GND
R245
10K
R232
560R
RESET
FILTER_OFF
CSP0
C209
10nF
C214
100nF
FRDY
R221
560R
RESET
GND
D200
BAV99
+5D1
C225
100nF
R222
1K
+5V
+5D3
LINE_LEVEL_IN
+5D2
TONE_INT
CH_EN
SPARE_SEL
R229
10K
LINE_LEVEL_IN
R213
1M
R206
2K2
Q206
MMBT3904
Q205
MMBT3906
C216
100nF
PA_CS
R210
10K
GND
Fo_MOD_2
Fo_CHAN_2
EXT_REF_DIV
R216
1K
Fo_MOD_2
R228
10K
TEMP_LEVEL_IN
Fo_CHAN_2
GND
+5D3
9
10 11
U403C
DG411
PWR_CNTRL_HIGH
+5TONE
R211
220R
GPS-
MOSI
SCLK
CH_EN
GPS+
R231
120R
R230
120R
R214
180R
R215
120R
PWR_OK
Q200
MMBT3904
R226
180R
GND
GPS
ECLK
LCD_DB7
A[0..21]
D[0..7]
DEV_H_L
TX_LED
PA_CS
TERM_EN2
TERM_EN1
SPARE_SEL
CHAN_BIAS
V+
14
Gnd
7
U201E
14C89A
V+
14
Gnd
7
V-
1
U202E
14C88
+5D3
SCK
SD
DBGTX_TTL
TXD_TTL
DBGRX_TTL
GND
C201
100nF
C224
100nF
RXD_TTL
LOOP_DET
C215
100nF
TONE_INT
GND
PTT_uPHONE
GND
GND
GND
C227
100nF
INT
C217
100nF
BKGD_ISO
CHAN_PLL_SENSE
ALARM_LED
RESET
X200
14M7456
R234
1K
FILTER_OFF
R233
22K
GND
GND
Q201
BSS138
11
12
13
U202D
14C88
T/R_RELAY_H
6
4
C
5
U201B
14C89A
8
9
10
U202C
14C88
K
3
NC
4
VCC
8
Ve
7
Vo
6
A
2
NC
1
GND
5
U212
6N137
11
C
12
13 U201D
14C89A
8
C
9
10
U201C
14C89A
3 2
U202A
14C88
6
4
5
U202B
14C88
3
1
C
2
U201A
14C89A
D203
BZX84C3V3
R227
56R
D202
SM4004
12V
GND
R244
10R
R241
47R
TONE_DEV_U/D
TONE_DEV_INC
R242
47K
EXT_TONE_SEL
R208
22K
LOC_FWD_PWR
CHAN_BIAS
MOD_BIAS
LINE_LEVEL_SENSE
CHAN_PLL_SEL
SIGGEN_ADSEL
LINEINP_ADSEL
LINEINP_DSEL
R243
220R
CTCSS_SEL
LOOP/VOLTS_SEL
EXT_REF_DIV
FPSW3
Q204
MMBT2369
FPSW2
R240
10K
FPSW1
R239
1K
VIN_SENSE
+5D2
CHAN_PLL_SENSE
GND
T/R_RELAY_H
C221
100nF
CHAN_VCO_EN
MOD_PLL_SENSE
R238
1K
R236
22K
R237
47K
Q203
MMBT2369
TEMP
Q202
MMBF5484
GND
L200
220uH
GND
TEMP
PWR_CNTRL_HIGH
DEV_H_L
R201
10K