Figure 8-64. Serial Interface Circuit - Motorola APX 1000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1 (84012313002 / PC000353A01)
12MHZ CLOCK
12MHZ_OMAP_IN
Y6601
12MHZ
1 3
IN OUT
C6601 P14
GPIO_43
18PF
C6602
2 4
18PF
Y2
OSC1_IN
12MHZ_OMAP_OUT W3
OSC1_OUT
32K_CPLD_CLK P13
V_1.4_CORE
R6601
10K
OMAP_OSK32K_IN_PU V13
OSC32K_IN
AA13
OSC32K_OUT
1
TP6601
TEST_POINT
T_DISP_SPI_CS
OUT
PTT
IN
TRIDENT_SPI_CS
OUT
F2_TIMER_PARAMP
UART2_GPS_TX
OUT
CODEC_SPI_CS
ABACUS_SPI_CS
OUT
OPT_GPIO_0
OPT_GPIO1
OPT_GPIO2
USB_INT_X
SPI_DSP_CLK 0
SPI_DSP_MOSI
1
SPI_DSP_MISO 2
SPI_ARM_CLK
U6302 OUT
OMAP1710
U19
SPI_CLK
V15
GPIO_56
N14
SPI_CS0
MAKO_SPI_CS
N15
SPI_CS1
SP1 T19
SPI_CS2
P15
SPI_CS3
W21 SPI_ARM_MOSI
SPI_DO
U18 SPI_ARM_MISO
SPI_DI
G21
MCBSP1_BCLK
H15
R6605 22
MCBSP1_SYNC
MCBSP1
H20
MCBSP1_DIN
H18
R6606 33
MCBSP1_DOUT
W4 0
USB0_TXEN
P9 1
GPIO USB0_DAT
R8 2 USB0<2..0>
USB0_SE0
W16 0
USB1_TXEN
W14 1
USB1_DAT
USB R13 2 USB1<2..0>
USB1_SE0
W9
USB2_TXEN
V6
USB2_DAT
DNP
W5 1
USB2_SE0 MPU_IO_12
CRYSTAL T20
TEST_POINT
CLK32K_IN MPUIO_5
OSCILLATOR Y14
0
UART1_TX
V14 4
UART1_RX
AA15
2
UART1_RTS
UART R14 3 RS232<4..0>
UART1_CTS
M18
UART3_TX
L14
UART3_RX
N20
ONE WIRE GPIO_11
M8
GPIO_60
Y1
GPIO_16
L3
GCA/GPIO GPIO_59
P3
GPIO_5
Y12
GPIO_36
R6604
100
SSI_OMAP_CLK
0
1
2
V_EXT_1.85
NC
OUT
NC
NC
2 SSI_RED_RX_CODEC
SSI_OMAP_FSYNC
NC
SSI_BLACK_TX 0
SSI_BLACK_RX 1 0
1
2
0
1
2
0
1
NC
NC
V_EXT_1.85
NC
R6618
10K
NC
NC
NC
NC
NC
R6616
NC
2K
OPTION_INTX
R6619
R6617
10K
R6609 10K
R6608
100K
10K
V_EXT_1.85
CHANGES MADE:
REMOVE PA_SHTDN FROM M8
LOCK_DET
OUT
RF_DAC_SPI_CS
OUT
MAKO_INT
SPI_DSP<2..0>
IO
SPI_ARM<2..0>
SSI_SAP<3..0>
SSI_OMAP_CLK
SSI_OMAP_FSYNC
SSI_MAKO_FSYNC
SSI_MAKO_CLK
R6602
10K
U6501
AT56H09
A5
BBP_CLK
B5
BBP_SYNC
E6
SPI_CLK
D6
SPI_CS
V_5.0A
B6
SPI_DI
C6
SPI_DO
E7
VC_DCLK
D7
VC_FSYNC
B7
VC_TX
M4 R6621
VC_TX3V
4.7K
A7
VC_RX
N3
UCM_SS
A6
LOGIC_VDD
B8
USB1_OE
C8
USB1_DAT_TXD
D8
USB1_SE0
A9
USB2_OE_RCV_RTS
B9
USB2_DAT_VP
C9
USB2_SE0_VM_RXD
E9 N6
UART2_TXD USB1_DP
A10 P7 R6623
UART2_RXD_OD USB1_DM
B10 N7
CTS_X USB2_DP
C10 P8
R6625
USB_INTX USB2_DM
P2 L6
RXDIN_3V USB_CONNECT
J5 N13
NC
TXDO_BDI_UP_3V SB96_BUS_BUSY
C7 N9
BOOT_NORM_X SB96_BDO_KF_5V
A8 P9
RS232_USB_X ONE_WIRE_1
L5 M8
APCO ONE_WIRE_2
N8 L8
SB96D_BDO_KF_3V ONE_WIRE_BATT
L7 M10
ONE_WIRE_UP TXDO_BDI_5V NC
K6 N12
TXDO_BDI_ENC_3V RXDIN_5V
N2 M11
RXDIN_ENC_3V RTS_FILLSEN_5V
M3 P13
RTS_FILLSEN_3V CTS_CABLE_DET_5V
C12
P10
BUSY_IN OPTA_SEL0
E11 K7
BUSY_OUT OPTA_SEL1
D10
M9
CABLE_DET_3V OPTA_SEL2
F10 N10
OPT_GPIO0 OPTA_SEL3
C11 P11
OPT_GPIO1 OPTB_SEL0
G10 K8
OPT_GPIO2 OPTB_SEL1
D11 P12
OPT_GPIO3 OPTB_SEL2
B12 N11
OPTION_INTX OPTB_SEL3
UART BOOT
TEST_POINT
F_BOOT_TX
DNP
1
U6601
NC7SP08
4
Y
5
NC
8-131
MAKO_USB1_POS_DP
IO
MAKO_USB1_NEG_DP
IO
R6622 27
27
R6624 27 MAKO_USB2_POS_DP
IO
MAKO_USB2_NEG_DP
27
IO
VBUS_SUPPLY_ON
ONE_WIRE_GCAI
IO
BATT_STATUS
IO
RXDIN_5V
IO
RTS_FILLSEN_5V
IO
MAKO_OPTB_SEL0_GCAI
IO
MAKO_OPTB_SEL1_GCAI
MAKO_OPTB_SEL2_GCAI
IO
MAKO_OPTB_SEL3_GCAI
IO
F_BOOT_RX
TEST_POINT
DNP
V_EXT_1.85
V_EXT_1.85
R6626
10K
1
A
2
B
OMAP_BOOT_RX
3

Figure 8-64. Serial Interface Circuit