Figure 5-18. 200 Mhz Keypad/Passport Board Interface Schematic Diagram - Motorola HT1250-LS+ Service Manual

5-20
R481
24K
EXT_MIC
VS_CS
SWB+
Vddd
VS_AUDSEL
FLAT_RX_SND
RX_AUD_RTN
TX_AUD_SND
C481
TX_AUD_RTN
0.1uF
R482
FLAT_TX_RTN
0
OPT_ENA
RDY
URX_SND
INT_EXT_Vdd
KEYPAD_ROW
KEYPAD_COL
PTT
KEY_INT
VS_INT
RESET
LEDBL
OFF_BATT_DATA_OUT
VS_GAINSEL
MISO
DATA
R_W
LCD_SEL
D0
D1
D2
D3
D4
D5
D6
D7
A0
CLK
VS_RAC
C4020
1000pF
C463
C4021 100pF
1000pF

Figure 5-18. 200 MHz Keypad/PassPort Board Interface Schematic Diagram

C466
100pF
C458
100pF
C459
100pF
J400
40-PIN CONNECTOR
J400-40
EXT_MIC
J400-39
VS_CS
J400-38 SW_B+
E400
J400-37
Vddd
J400-36 VS_AUDSEL
J400-35 Det_Aud_Snd
J400-34
Rx_Aud_Rtn
C467
J400-33 Tx_Aud_Snd
0.1uF
J400-32 Tx_Aud_Rtn
J400-31
Flat_Tx_Rtn
Opt_Bd_En
J400-30
J400-29
Rdy/Req
J400-28
Rx_Aud_Snd
J400-27 ON
J400-26
INT_EXT_Vdd
J400-25
Key_Row
J400-24 Key_Col
J400-23
PTT
J400-22
Key_Intrp
J400-21 VS_INT
J400-20
RST*
J400-19
LED_EN
J400-18 OFF_BATT_DATA_OUT
J400-17
VS_GAINSEL
J400-16
SrD_Rtn
J400-15 SrD_Snd
J400-14
R/W*
J400-13 LCD_SEL
E401
J400-12 DB0
E402
J400-11
DB1
E403
J400-10 DB2
E404
J400-9
DB3
E405
J400-8
DB4
E406
J400-7 DB5
E407
J400-6
DB6
E408
J400-5
DB7
E409
J400-4 A0
J400-3
SCK_Snd
J400-2
VS_RAC
J400-1 Gnd
Schematic Diagrams, Overlays, and Parts Lists