1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
2
7
Microprocessor
9155
B
20-Feb-2002
23:50:38
C:\Program Files\Design Explorer 99 SE\rft\r50\r50.Ddb - MCU.sch
Title
Size:
Number:
Print Date:
File:
Revision:
Sheet
of
A3
RF Technology Pty Ltd
Unit 10, 8 Leighton Place
Hornsby, NSW 2077
Australia
Rev. Release Date:
Originator:
Rev No.
ECO No.
Description of Change
RXDATA
TXDATA
LINE_LEVEL
EXT_SQ
RESET
LINE_LEVEL_U/D
DE_EMPHA
FLAT
COS_POLARITY
ALARM_LED
FPSW1
SCLK
CTCSS_SEL
MOSI
COS_VOLTS_ON/OFF
SQ
N_DET
RTS
DTR
CTS
RCV_ADSEL
LOOP/VOLTS_SEL
PLL_SEL
MON_SQ
LINE_LEVEL_INC
2nd_LO_BIAS
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
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
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
GND
GND
+5D1
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
C211
100nF
C210
100nF
GND
GND
C206
100nF
C205
100nF
C204
100nF
C207
100nF
GND
GND
GND
RESET
R/W
CS0
CSD
CSP0
FWT
FRD
RAMRD
RAMWT
FRDY
FRDY
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
FPSW2
FPSW3
LCD_DB0
LCD_DB1
LCD_DB2
LCD_DB3
LCD_DB4
LCD_DB5
LCD_DB6
LCD_DB7
LCD_R/W
LCD_RS
LCD_E
GND
DSR
C216
100nF
RES
1
GND
4
VCC
2
NC
3
NC
5
NC
6
NC
7
NC
8
U203
MC33064D
GND
+5D3
R204
10K
R203
10K
S200
SW-PB
R209
270R
R205
2K7
R210
10K
+
C219
10uF
GND
C202
100nF
C212
100nF
C208
100nF
C222
100nF
C220
100nF
R235
4K7
R207
68K
R202
10K
GND
28V
C203
100nF
GND
GND
GND
Vref
C214
100nF
R212
220R
C225
100nF
R213
1M
DBGTX
DBGRX
BKGD
CTS_TTL
DSR_TTL
RTS_TTL
DTR_TTL
R218
10K
R220
10K
R217
10K
R219
10K
+5D3
+5D1
+5D1
1st_LO_BIAS
R221
470R
RESET
C226
100nF
R222
2K2
PWR_OK
Q200
MMBT3904
+5D3
R226
180R
GND
TP209
ECLK
TP210
RESET
TP207
R/W
TP200
CS0
TP204
RAMRD
TP206
RAMWT
TP205
CSD
TP201
CSP0
TP202
FWT
TP203
FRD
R223
10K
R224
10K
R225
10K
+5LCD
RSSI
SUBTONE_IRQ
+5D3
R228
10K
MOSI
R211
220R
SCLK
CH_EN
R231
120R
R230
120R
A[0..21]
D[0..7]
VIN_SENSE
ECLK
LCD_DB7
LCD_DB6
LCD_DB5
LCD_DB4
LCD_DB3
LCD_DB2
LCD_DB1
LCD_DB0
LCD_DB7
LINE_LEVEL_U/D
LINE_LEVEL_INC
SPARE_I/O3
COS_VOLTS_ON/OFF
1st_LO_BIAS
2nd_LO_BIAS
MON_SQ
PLL_SEL
COS_POLARITY
SQ
CTCSS_SEL
FLAT
DE_EMPHA
RSSI
RCV_ADSEL
LINE_LEVEL
SPARE_SEL
SCK
SD
DBGTX_TTL
TXD_TTL
DBGRX_TTL
RXD_TTL
SUBTONE_IRQ
N_DET
FPSW1
FPSW2
FPSW3
INT
BKGD_ISO
LOOP/VOLTS_SEL
ALARM_LED
RESET
LCD_E
LCD_RS
LCD_R/W
R233
22K
GND
T/R_RELAY_H
11
C
12
13
U201D
14C89A
3
2
U202A
14C88
3
1
C
2
U201A
14C89A
6
4
5
U202B
14C88
8
C
9
10
U201C
14C89A
8
9
10
U202C
14C88
6
4
C
5
U201B
14C89A
11
12
13
U202D
14C88
V+
14
Gnd
7
U201E
14C89A
V+
14
Gnd
7
V-
1
U202E
14C88
+5D3
12V
-12V
GND
C201
100nF
C215
100nF
GND
GND
GND
C217
100nF
R234
1K
Q202
MMBF5484
L200
220uH
+5D2
GND
GND
R236
18K
R237
47K
Q203
MMBT2369A
R238
1K
C221
100nF
R239
1K
R240
10K
Q204
MMBT2369A
R243
220R
R242
47K
GND
R241
22R
R244
10R
GND
Fo_PLL
Fo_PLL
R206
2K2
SPARE_SEL
CH_EN
Q205
MMBT3906
Q206
MMBT3904
R229
10K
+5D2
+5D1
+5D3
L202
BLM31A601
+5D1
L205
BLM31A601
L203
BLM31A601
L204
BLM31A601
+5D1
+5D1
+5D1
X200
14M7456
+5D2
C224
100nF
D200
BAV99
SPARE_I/O1
N_BLK_EN
C209
10nF
R245
12K
R232
560R
SQ_LED
SQ_LED
PLL_SENSE
PLL_SENSE
DSR
CTS
DBGRX
RXDATA
VR201
100K
VR202
100K
GND
GND
Vref
NSQ_IN
CSQ_IN
SPARE_IOT1
SPARE_IOT2
MON_SW
SPARE_MISO
SPARE_IOJ0
SPARE_IOJ1
SW201
MON_SW
GND
R201
10K
+5D3
N_BLK_EN
SPARE_I/O1
SPARE_I/O3
MODB