Motorola EP450

11-12 UHF 403-440 MHz Schematic Diagrams, Overlays, and Parts Lists
November 24, 2003 HKLN4216A
EEPROM
GREEN LED
RED LED
Microprocessor
FLASH
SRAM
NC
C413
0.1uF
4.7K
R419
91
NU
R434
VDDSYN
69
VRH
68
VRL
13
VSS
40
VSSL
87
VSSR
XFC
93
48
XIRQ
XTAL
PJ4
76
PJ5
77
PJ6
78
PJ7
94
RESET
12
VDD
39
VDDL
88
VDDR
92
PI4
51
PI5
50
PI6
49
PI7
71
PJ0_CSGP3
72
PJ1_CSGP4
73
PJ2
74
PJ3
75
PH4_CSI O
42
PH5_CSGP1
41
PH6_CSGP2
38
PH7_CSPROG
56
PI0
55
PI1
54
PI2
53
PI3
52
PG4_XA17
18
PG5_XA18
5
PG6_AS
4
PG7_R_W
47
PH0_PW 1
46
PH1_PW 2
45
PH2_PW 3
44
PH3_PW 4
43
PF5_ADDR5
23
PF6_ADDR6
22
PF7_ADDR7
29
PFO_ADDR0
6
PG0_XA13
16
PG1_XA14
20
PG2_XA15
19
PG3_XA16
17
63
PE5_AN5
62
PE6_AN6
61
PE7_AN7
60
28
PF1_ADDR1
27
PF2_ADDR2
26
PF3_ADDR3
25
PF4_ADDR4
24
PD3_MOSI
1
PD4_SCK
2
PD5_SS
PD6_LVI
N
3
PE0_AN0
67
PE1_AN1
66
PE2_AN2
65
PE3_AN3
64
PE4_AN4
PC3_DATA3
34
PC4_DATA4
35
PC5_DATA5
36
PC6_DATA6
37
PC7_DATA7
97
PD0_RXD
98
PD1_TXD
99
PD2_MISO
10
0
PB4_ADDR12
15
PB5_ADDR13
8
PB6_ADDR14
7
PB7_ADDR15
14
PBO_ADDR8
30
PC0_DATA0
31
PC1_DATA1
32
PC2_DATA2
33
PA3_IC4_OC5_OC1
83
PA4_OC4_OC1
84
PA5_OC3_OC1
PA6_OC2_OC1
85
86
PA7_PA1_OC1
10
PB1_ADDR9
11
PB2_ADDR10
9
PB3_ADDR11
21
EXTAL
96
IRQ
LVO U T
95
MODA_LIR
58
57
MODB_VSTBY
79
PA0_IC3
80
PA1_IC2
81
PA2_IC1
82
U401
MC68HC11FL0
59
AVDD
70
AVSS
89
ECLK
90
R417
10K
1000p
F
C419
.01uF
C440
0.1uF
C430
R410
10K
82
0
R411
1
R415
33K
VSS
4
WP
3
TP405
CS
1
HOLD
7
SCK
6
SI
5
SO
2
VCC
8
NU
U402
X25128-2.
7
D3_3
V
R431
.01uF
C431
C422
1
3
D3_3V
D3_3V
1000pF
NC
Q410
2
6
4
R413
100K
1000pF
D3_3V
C416
200K
1%
R424
.01uF
C444
1
R412
100K
TP402
R414
33K
D414
NC
R430
100K
0
R432
.01uF
C420
C412
1000p
F
D3_3
V
NC
SH40
0
SHIELD
1
10u
F
100K
1%
R425
C410
0.1uF
D3_3 V
C432
R441
4.7K
4.7K
R440
100K
R418
C400
NU
R400
NU
1000pF
C417
D3_3
V
C433
1000p
F
C443
.01uF
SH401
SHIELD
1
SW_B
+
NC
0.1uF
C418
R416
20K
Q440-2
2
4
3
R422
SW_B
+
1
3
2
NC
100K
Q402
100K
1%
R421
200K
1%
R420
120
R443
.01uF
C445
C446
100K
.01uF
R423
BRPY1204W
D440
.01uF
C421
4.7K
R445
0.1uF
R446
C414
1000pF
C415
10K
C441
.01uF
24
NC
6
9
RESET
VCC
8
C401
0.1uF
25
D4
26
D5
27
D6
28
D7
29
EN_CE
30
EN_OE
32
7
EN_WE
GND
15
A6
14
A7
13
A8
3
A9
2
D0
21
D1
22
23
D2
D3
12
A13
4
A1
4
5
A15
11
A16
10
A2
18
A3
17
16
A4
A5
A0
20
A1
19
A10
31
A11
1
A12
TP401
1
AT49LV001N_70VI
U404
R433
100K
C442
NC
.01uF
Q440-1
5
1
6
RB520S-30
D424
Q403
1
3
2
D8
19
22
OE
VDD
28
VSS
14
WE
27
CS
20
11
D1
D2
12
D3
13
D4
15
D5
16
D6
17
D7
18
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
NU
10
A0
A1
9
A10
21
A1
1
23
A1
2
2
A13
26
A14
1
U403
NC
R442
220
0.1uF
C447
0.1u
F
BACKLIGHT
3V
NC
C411
SW_B+
BATT_DETECT
VS_INT
LOCK
KEYPAD_RO W
VO X
KEYPAD_CO L
RSSI
5V
SC I
DISPL_COM_DATA_SEL
SPI_CLK
OPT_BUTTON_2
DISP_ENA
SPI_DATA_IN
SPI_DATA_OUT
D3_3V
HSI O
PTT
FREQ_SEL_3
FREQ_SEL_1
FREQ_SEL_2
ON_OFF
VOLU M
E
EXT_MIC_PTT
RESET
BOOT_ENA
VS_RAC
OPT_BUTTON_1
FREQ_SEL_0
A(18:0)
OPT_ENA
VS_CS
TX_ENA
LSI O
D(7:0)
ASFIC_CS
SYNTH_CS
RX_ENA
F1200
uP_CLK
A(12)
A(11
)
A(10)
A(9)
A(8)
A(7)
A(6)
A(5)
A(4)
A(3)
A(2)
A(1)
A(0)
A(17
)
A(18)
A(0) A(1)
A(2) A(3)
A(4)
A(5)
A(6)
A(7)
D(7)
D(6)
D(5)
D(4)
D(3)
D(2)
D(1)
D(0)
A(16)
A(15
)
A(14
)
A(13)
A(18
)
D(6)
D(5)
D(4)
D(3)
D(7)
D(2)
D(1)
D(0)
A(1)
A(2)
A(5)
A(6)
A(8)
A(11)
A(12)
A(13)
A(8)
A(9)
A(10)
A(11) A(12) A(13)
OPT_DATA_READY
SQ_DET
CH_ACT
A(17
)
A(16
)
A(14
)
A(15
)
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
A(0)
A(3)
A(4)
A(7)
A(9)
A(10)
A(14)
Figure 11-10. UHF (403-440 MHz) PCB 8486635Z03-O Microprocessor Circuitry Schematic Diagram