Motorola HT1250-LS+ - Automatic Message Reply Functionality

5-32 Schematic Diagrams, Overlays, and Parts Lists
TO/FROM RF
IF_SB3_CTRL
IF_EMER_CTRL
IF_SB1_CTRL
IF_SB2_CTRL
VOX
VS_AUDSEL
VS_GAINSEL
Vdda
Vddd
LSIO
MECH_SWB+
MISO
MODIN
OFF_BATT_DATA_OUT
RED_LED
RESET
RX_AUD_RTN
SQ_DET
SQ_IN
SWB+
SYN
TX_AUD_RTN
TX_AUD_SND
UNSWB+
URX_SND
CLK
CSX
DACRX
DATA
DEMOD
EE_CS
EXT_MIC
EXT_SPKR_SEL
F1200
FLAT_RX_SND
FLAT_TX_RTN
GREEN_LED
HSIO
INT_EXT_Vdd
INT_MIC
LEDBL
Vdda
16.8MHz
4V_3.3V
5V
AUDIO
AUDIO_PA_ENA
BATT_CODE
BATT_DATA_IN
CHACT
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+
R403
NU
NU
IF_4V_3.3V_CTRL
C432
RESET
EMER
BATT_CODE
VOL
RTA0
RTA3
5V
Vdda
IF_BATT_CODE_CTRL
IF_LI_ION_CTRL
IF_CLK_CTRL
IF_RESET_CTRL
IF_5V_CTRL
IF_Vdda_CTRL
IF_RSSI_CTRL
IF_16.8MHz_CTRL
IF_DEMOD_CTRL
IF_LOCK_CTRL
IF_UNSWB+_CTRL
IF_MODIN_CTRL
IF_DATA_CTRL
IF_SWB+_CTRL
IF_CSX_CTRL
IF_LVZIF_SEL_CTRL
IF_DACRX_CTRL
IF_VOL_CTRL
IF_MECHSWB+_CTRL
IF_PTT_CTRL
IF_RTA2_CTRL
IF_RTA3_CTRL
IF_RTA0_CTRL
IF_RTA1_CTRL
DATA
MODIN
SWB+
LVZIF_SEL
PTT
RSSI
SB2
UNSWB+
CLK
CSX
DACRx
16.8MHz
DEMOD
LOCK
MECH_SWB+
SQ_IN
IF_SQ_IN_CTRL
LI_ION
4V_3.3V
VOL
VOX
VS_CS
VS_INT
VS_RAC
Vddd
XA18
RESET
RSSI
RTA0
RTA1
RTA2
RTA3
R_W
SB1
SB2
SB3
SCI_RX
SCI_TX
SQ_DET
SWB+
SYN
UNSWB+
KEYPAD_ROW
KEY_INT
LCD_SEL
LI_ION
LOCK
LSIO
LVZIF_SEL
MECH_SWB+
MISO
OFF_BATT_DATA_OUT
OPT_ENA
OPT_SEL1
OPT_SEL2
PTT
RAM_CS
RDY
D0
D1
D2
D3
D4
D5
D6
D7
DATA
EE_CS
EMER
F1200
FLASH_EN
FLASH_OE
HSIO
KEYPAD_COL
A15
A16
A17
A2
A3
A4
A5
A6
A7
A8
A9
BATT_DATA_IN
BOOT_CTRL
CHACT
CLK
CSX
A0
A1
A10
A11
A12
A13
A14
RED_LED
RTA1
RTA2
SB3
SB1
GREEN_LED
OPT_ENA
PTT
RDY
RESET
RX_AUD_RTN
R_W
SWB+
TX_AUD_RTN
TX_AUD_SND
URX_SND
VS_AUDSEL
VS_CS
VS_GAINSEL
VS_INT
VS_RAC
Vddd
D4
D5
D6
D7
DATA
EXT_MIC
FLAT_RX_SND
FLAT_TX_RTN
INT_EXT_Vdd
KEYPAD_COL
KEYPAD_ROW
KEY_INT
LCD_SEL
LEDBL
MISO
OFF_BATT_DATA_OUT
A0
CLK
D0
D1
D2
D3
FLASH_EN
FLASH_OE
RAM_CS
R_W
Vddd
XA18
A2
A3
A4
A5
A6
A7
A8
A9
D0
D1
D2
D3
D4
D5
D6
D7
A0
A1
A10
A11
A12
A13
A14
A15
A16
A17
IF_GREEN_LED_CTRL
SQ_INSQ_IN
IF_RED_LED_CTRL
LVZIF_SEL
VS_CS
LCD_SEL
RDY
LI_ION
RTA1
RTA0
RTA2
SB1
RTA3
SB3
SB2
OFF_BATT_DATA_OUT
VOL
MECH_SWB+
VS_RAC
KEYPAD_COL
KEYPAD_ROW
KEY_INT
PTT
EMER
VS_INT
LOCK
4V_3.3V
Vdda
Vddd
FLAT_TX_RTN
VS_GAINSEL
SQ_IN
FLASH_OE RAM_CS FLASH_EN
OPT_ENA
VS_RAC
CLK
R_W Vddd XA18
EXT_MIC
LCD_SEL
R_W
SWB+
VS_AUDSEL
VS_CS
Vddd
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
MISO
RSSI
UNSWB+
16.8MHz
5V
BATT_CODE
CLK
CSX
DACRX
DATA
DEMOD
GREEN_LED
MISO
OFF_BATT_DATA_OUT RED_LED TX_AUD_RTN
VS_AUDSEL
SWB+
INT_EXT_Vdd
RESET
MECH_SWB+ LEDBL URX_SND MODIN FLAT_TX_RTN RX_AUD_RTN TX_AUD_SND
Vdda
RESET RESET
EMER EMER
BATT_CODE BATT_CODE
LI_ION LI_ION
4V_3.3V 4V_3.3V
VdddVdda
EXT_MIC FLAT_RX_SND
VOL VOL
SB1 SB1
SB3 SB3
RTA0 RTA0
RTA3 RTA3
5V 5V
Vdda
SWB+
LVZIF_SEL LVZIF_SEL
PTT PTT
GREEN_LED GREEN_LED
RED_LED RED_LED
RTA1 RTA1
RTA2 RTA2
UNSWB+
CLK CLK
CSX CSX
DACRx DACRx
DATA DATA
MODIN MODIN
SWB+
16.8MHz 16.8MHz
DEMOD DEMOD
LOCK LOCK
MECH_SWB+ MECH_SWB+
RSSI RSSI
SB2 SB2
UNSWB+
Figure 5-26. 700 MHz Controller Block Diagram