Motorola HT1250-LS+ - Prioritizing Channels and Setting Scan Levels

5-14 Schematic Diagrams, Overlays, and Parts Lists
MEMORY
MICRO_P
AUDIO_PA
INTERFACE
ASFI
C
TO/FROM RF
NU
NU
TO/FROM VS
IF_VS_GAINSEL_1_CNTL
IF_RSSI_CTRL
IF_Vddd_1_CNTL
IF_RTA3_CTRL
IF_MISO_1_CNTL
IF_DEMOD_CTRL
IF_VS_AUDSEL_1_CNTL
IF_LI_ION_CTRL
IF_VS_INT_1_CNTL
XA18
IF_INT_EXT_Vdd_1_CNTL
IF_RTA2_CTRL
RTA3
R_W
SB1
SB2
SB3
SCI_RX
SCI_TX
SQ_DET
SWB+
SYN
UNSWB+
VOL
VOX
VS_CS
VS_INT
VS_RAC
Vddd
LSIO
LVZIF_SEL
MECH_SWB+
MISO
OFF_BATT_DATA_OUT
OPT_ENA
OPT_SEL1
OPT_SEL2
PTT
RAM_CS
RDY
RESET
RSSI
RTA0
RTA1
RTA2
D5
D6
D7
DATA
EE_CS
EMER
F1200
FLASH_EN
FLASH_OE
HSIO
KEYPAD_COL
KEYPAD_ROW
KEY_INT
LCD_SEL
LI_ION
LOCK
A4
A5
A6
A7
A8
A9
BATT_DATA_IN
BOOT_CTRL
CHACT
CLK
CSX
D0
D1
D2
D3
D4
A0
A1
A10
A11
A12
A13
A14
A15
A16
A17
A2
A3
D4
D5
D6
D7
FLASH_EN
FLASH_OE
RAM_CS
R_W
Vddd XA18
IF_Vdda_CTRL
A14
A15
A16
A17
A2
A3
A4
A5
A6
A7
A8
A9
D0
D1
D2
D3
IF_SB1_CTRL
A0
A1
A10
A11
A12
A13
IF_RTA0_CTRL
IF_PTT_CTRL
IF_VS_RAC_1_CNTL
IF_VS_CS_1_CNTL
IF_5V_CTRL
IF_BATT_CODE_CTRL
IF_LOCK_CTRL
IF_16.8MHz_CTRL
IF_SWB+_CTRL
IF_CSX_CTRL
IF_VOL_CTRL
IF_RED_LED_CTRL
C432
3.3V
5V
AUDIO
AUDIO_PA_ENA
BOOT_CTRL
EXT_MIC
EXT_SPKR_SEL
FLAT_RX_SND
INT_MIC
OPT_SEL1 OPT_SEL2 RSSI SCI_RX SCI_TX
SWB+
UNSWB+
IF_CLK_CTRL
IF_EXT_MIC_1_CNTL
IF_RX_AUD_RTN_1_CNTL
IF_FLAT_RX_SND_1_CNTL
IF_RTA1_CTRL
R403
IF_SB3_CTRL
IF_RESET_CTRL
IF_UNSWB+_CTRL
IF_4V_3.3V_CTRL
IF_DATA_CTRL
IF_EMER_CTRL
URX_SND
VS_AUDSEL
VS_CS
VS_GAINSEL
VS_INT
VS_RAC
Vddd
KEYPAD_COL
KEYPAD_ROW
KEY_INT
LCD_SEL
LEDBL
MISO
OFF_BATT_DATA_OUT
OPT_ENA
PTT
RDY
RESET
RX_AUD_RTN
R_W
SWB+
TX_AUD_RTN
TX_AUD_SND
A0
CLK
D0
D1
D2
D3
D4
D5
D6
D7
DATA
EXT_MIC
FLAT_RX_SND
FLAT_TX_RTN
INT_EXT_Vdd
TX_AUD_RTN
TX_AUD_SND
UNSWB+
URX_SND
VOX
VS_AUDSEL
VS_GAINSEL
Vddd
GREEN_LED
HSIO
INT_EXT_Vdd
INT_MIC
LEDBL
LSIO
MECH_SWB+
MISO
MODIN
OFF_BATT_DATA_OUT
RED_LED
RESET
RX_AUD_RTN
SQ_DET
SWB+
SYN
AUDIO
AUDIO_PA_ENA
BATT_CODE
BATT_DATA_IN
CHACT
CLK
CSX
DACRX
DATA
DEMOD
EE_CS
EXT_MIC
EXT_SPKR_SEL
F1200
FLAT_RX_SND
FLAT_TX_RTN
IF_DACRX_CTRL
16.8MHz
3.3V
4V_3.3V
5V
IF_MODIN_CTRL
IF_MECHSWB+_CTRL
IF_LVZIF_SEL_CTRL
IF_GREEN_LED_CTRL
VS_INT
RX_AUD_RTN RX_AUD_RTN
VS_AUDSEL VS_AUDSEL
INT_EXT_Vdd INT_EXT_Vdd
VdddVddd
IF_SB2_CTRL
16.8MHz
3.3V
RXBE TO_RFFROM_RF
SWB+
VS_CS VS_CS
FLAT_RX_SND FLAT_RX_SND
EXT_MIC EXT_MIC
MISO MISO
VS_RAC VS_RAC
VS_GAINSEL VS_GAINSEL
VS_INT
RED_LED
RESET
RX_AUD_RTN TX_AUD_RTN TX_AUD_SND
UNSWB+
URX_SND
VS_AUDSEL
VS_GAINSEL
Vddd
OFF_BATT_DATA_OUT MODIN
MISO
MECH_SWB+ LEDBL INT_EXT_Vdd GREEN_LED FLAT_TX_RTN
FLAT_RX_SND
FROM_RF
EXT_MIC
DEMOD
DATA
DACRX
CSX
CLK
BATT_CODE
TO_R
F
5V
4V_3.3V
SB2
OFF_BATT_DATA_OUT
VOL
MECH_SWB+
VS_RAC
KEYPAD_COL
KEYPAD_ROW
KEY_INT
PTT
EMER
VS_INT
LOCK
Vddd
Vddd
FLAT_TX_RTN
FLASH_OE RAM_CS FLASH_EN
OPT_ENA
LVZIF_SEL
VS_CS
LCD_SEL
RDY
LI_ION
RTA1
RTA0
RTA2
SB1
RTA3
SB3
MISO
VS_RAC
CLK
R_W XA18
HIGH_NOISE
Vddd
RSSI
EXT_MIC
LCD_SEL
R_W
SWB+
VS_AUDSEL
VS_CS
FLAT_RX_SND
TX_AUD_SND
OPT_ENA
RX_AUD_RTN
TX_AUD_RTN
RDY
KEYPAD_ROW
URX_SND
INT_EXT_Vdd
KEYPAD_COL
KEY_INT
RESET
PTT
VS_INT
LEDBL
VS_GAINSEL
DATA
OFF_BATT_DATA_OUT
5V5V
3.3V3.3V
RESET RESET
BATT_CODEBATT_CODE
LI_ION LI_ION
LOCK LOCK
4V_3.3V4V_3.3V
$P
3.3V
CSX CSX
MODIN MODIN
DATA DATA
CLK CLK
UNSWB+ UNSWB+
DEMOD DEMOD
RSSI RSSI
16.8MHz 16.8MHz
RTA2 RTA2
RTA3RTA3
MECH_SWB+ MECH_SWB+
VOL VOL
PTT PTT
LVZIF_SEL LVZIF_SEL
SWB+ SWB+
DACRx DACRx
RED_LED RED_LED
GREEN_LED GREEN_LED
SB1 SB1
SB2 SB2
SB3 SB3
EMEREMER
RTA0RTA0
RTA1 RTA1
Figure 5-12. 200 MHz Controller Block Diagram