Figure 7-97. Hue4040A Secure Usb/Rs232/Sb9600 Schematic - Motorola ASTRO XTL 1500 Detailed Service Manual

Schematics, Component Location Diagrams, and Parts Lists: HUE4040A (UHF Range 2) Main Board
1
U0300-1
USB_VPIN
3 2
4
U0300-2
URXD1_USB_VMIN
6 5
UCTS1_USB_FSEN
10
U0300-3
URTS1_USB_XRXD
8 9
USB_TXENB
UTXD1_USB_VPOUT
USB_VMOUT
RIA_USBSUSP
USB*_RS232_EN
U0303-2
BOOT_RX
BOOT_TX
BOOT_DATA_EN*
BOOT_DATA_EN* USB*_RS232_EN Mode of Operation
0 Not Allowed
0
0 1 Boot Data
1 0 USB
1 1 RS232
6815854H01-A
USB_VPI
USB_VMI
R0300 100
1
11 VO_VPO
12 FSE0_VMO
5 SUSPND
16 ENUMERATE
100
R0301
VCC2.85 6
U0309-1
1
4
2
UTXD1_USB_VPOUT
UCTS1_USB_FSEN
URXD1_USB_VMIN
URTS1_USB_XRXD
U0308-1
1
4
2
U0307-1
1
4
2
BUFFER SUPPLY
VCC5
U0300-4
12
11
U0308-2
5
13 C0305
VCC
C0313
0.1uF
GND
0.1uF
R0307
3
10K
VCC5
5 U0601-2
VCC
C0601
GND
3
0.1uF
VCC2.85
C0301
C0312
0.1uF
0.1uF
USB_PWR
C0315
U0304
1uF
13
VREG
R0303
2
OE_N RCV
3
1.5K
VP
4
VM
15
VPU
10 R0304
DPOS
9 R0305
MODE DNEG
8
USB_DET
GND
17
USB_INT*
8 9 C0307
U0303-3
10
C0308
U0303-4
11 12
13
BUFFER SUPPLY
VCC2.85 VCC2.85
U0300-5 U0303-5
14 14
C0302
3 2
VCC VCC
0.1uF U0303-1
1
GND GND
7 7
VCC5
U0605-2
5
VCC
C0605
GND
3
0.1uF
SB9600 Block
URXD2
URXD2
UTXD2 UTXD2
URTS2 URTS2 BUS+_UARTB_TXD
UCTS2 UCTS2 BUS-_UARTB_RXD
LHRST_OUT LHRST_OUT RESET_UARTB_CTS
LHRST_IN BUSY_UARTB_RTS
LHRST_IN
SB96_RS232*_EN SB96_RS232*_EN
USB+
USB+
USB-
USB-
22
22
VCC5 VCC9
22
R0310
C0310 1uF
C0306
C0309 1uF
1uF
NU
16
2 6
1uF 1 U0305
C1POS
3
C1NEG
4
1uF
C2POS
5
C2NEG
13 12
R1I R1O
8
R2O 9
R2I
11
14
T1I T1O UARTA_TXD
10 7
T2I T2O UARTA_CTS
GND
UARTA_RXD
15
UARTA_RTS
U0601-1
1
VIP_OUT_1_3V
4
2
U0605-1
1
VIP_OUT_2_3V
4
2

Figure 7-97. HUE4040A Secure USB/RS232/SB9600 Schematic

7-125
BUS+_UARTB_TXD
BUS-_UARTB_RXD
RESET_UARTB_CTS
BUSY_UARTB_RTS
VCC2.85
U0309-2
5
VCC
C0314
GND
0.1uF
3
VCC2.85
U0307-2
5
VCC
C0311
GND
0.1uF
3
VIP_OUT_1_5V
VIP_OUT_2_5V
June 15, 2005