Dc_regulation audio microprocessor – Motorola CP150TM User Manual
Page 113
VHF (146-174 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486342Z13-C)
7-43
6880309N62-C
June, 2005
DC_REGULATION
AUDIO
MICROPROCESSOR
ACCESSORY/KEYPAD
CONNECTOR
3V
CNTL_MOD_OUT
SWITCH
S441
1 A1
3 A2
2
B1
4
B2
24
CNTL_RSSI
3V
8
C501
1uF
17
BK1005HM471
E500
C505
1000pF
R504
100
7
CNTL_USWB+
5V
CNTL_SPI_DATA_OUT
CNTL_5R
C506
1000pF
11
C503
1000pF
CNTL_SYNTH_CS
3 A2
2
B1
4
B2
CNTL_SPI_CLK
3V
D3_3V
SWITCH
S443
1 A1
21
SW_B+
NC
18
19
16
TP404
15
C408
1000pF
C1
C1
GND
7
GND1
9
PC0
1
PC1
2
PC2
4
PC3
8
D3_3V
SWITCH
S440
C0
C0
1000pF
CNTL_5T
1000pF
C504
5R
5T
5V
BATT_CHARGE
D3_3V
ON_OFF
RESET
RX_ENA
SWB+
TX_ENA
USWB+
VOLUME
C507
1000pF
3V
100
14
C407
4
R502
100pF
1000pF
C402
C403
32
12
CNTL_5V
SW_B+
R505
100
2
26
CNTL_PWR_SET
1
25
22
J460-1
28
6
29
SPI_CLK
SPI_DATA_OUT
SQ_DET
SW_B+
VOX
VS_AUDIO_SEL
VS_GAIN_SEL
uP_CLK
CNTL_TX_ENA
DEMOD
EXT_MIC_PTT
F1200
HSIO
LSIO
MOD_OUT
OPT_MIC
OPT_RX_AUD_RETURN
OPT_RX_AUD_SEND_DETECTOR
OPT_RX_AUD_SEND_UNMUTED
OPT_TX_AUD_FLAT_RETURN
OPT_TX_AUD_RETURN
OPT_TX_AUD_SEND
PWR_SET
RESET
SCI
9
16_8_MHZ
3V
5V
ASFIC_CS
BATT_CHARGE
BOOT_ENA
BW_SEL
CH_ACT
C409
1000pF
100pF
C405
C404
1000pF
31
30
USWB+
5V
5V
3
SW_B+
CNTL_3V
CNTL_16_8_MHZ
D3_3V
3V
10
C500
1000pF
23
TP301
5T
CNTL_BW_SEL
20
TP403
5
SW_B+
27
C406
100pF
CNTL_DEMOD
1 A1
3 A2
B1 2
4
B2
5R
CNTL_LOCK
VOLUME
VOX
VS_CS
VS_INT
VS_RAC
uP_CLK
SWITCH
S442
OPT_BUTTON_1
OPT_BUTTON_2
OPT_DATA_READY
OPT_ENA
PTT
RESET
RSSI
RX_ENA
SCI
SPI_CLK
SPI_DATA_IN
SPI_DATA_OUT
SQ_DET
SW_B+
SYNTH_CS
TX_ENA
CH_ACT
D3_3V
DISPL_COM_DATA_SEL
DISP_ENA
EXT_MIC_PTT
F1200
FREQ_SEL_0
FREQ_SEL_1
FREQ_SEL_2
FREQ_SEL_3
HSIO
KEYPAD_COL
KEYPAD_ROW
LOCK
LSIO
ON_OFF
R501
3V
5V
ASFIC_CS
BACKLIGHT
BATT_DETECT
BOOT_ENA
R503
100
13
100
5T
SPI_CLK
BW_SEL
MOD_OUT
SYNTH_CS
RSSI
SPI_DATA_OUT
5R
5V
USWB+
TX_ENA
DEMOD
3V
16_8_MHZ
LOCK
PWR_SET
Figure 7-45. VHF (146-174 MHz) Controller Interconnect Schematic Diagram (8486342Z13-C)