Motorola ASTRO Digital XTL 5000

Schematics, Component Location Diagrams, and Parts Lists: HUE4040A (UHF Range 2) Main Board 7-151
6881096C74-B May 25, 2005
Figure 7-105. HUE4040A USB/RS232/SB9600 Schematic
2
4
LMS202E
U0305
VPOS
VNEG
2
6
C1NEG
3
1
C1POS
C2NEG
5
C2POS
4
5
1
DN
G
USB_VPI
USB*_RS232_EN
USB+
USB+
USB_PWR
BOOT_TX
UTXD1_USB_VPOUT
VIP_OUT_1_5V
USB_TXENB
RIA_USBSUSP
VIP_OUT_2_5V
USB_VMI
UARTA_RXD
UARTA_RTS
BOOT_DATA_EN*
UCTS1_USB_FSEN
UCTS1_USB_FSEN
RESET_UARTB_CTS
BUS+_UARTB_TXD
BUS-_UARTB_RXD
BUSY_UARTB_RTS
USB_VMOUT
USB_INT*
BUFFER SUPPLY
1
Not Allowed
Mode of OperationBOOT_DATA_EN* USB*_RS232_EN
0
0
0
01
1
Boot Data
USB
RS232
SB9600 Block
NP
1
BUFFER SUPPLY
URTS2
URXD2
UTXD2
VCC2.85
5
4
6
BUS+_UARTB_TXD
BUS-_UARTB_RXD
BUSY_UARTB_RTSLHRST_IN
LHRST_OUT RESET_UARTB_CTS
SB96_RS232*_EN
UCTS2
PWR_GND
U0309-2
GND
3
VCC
5
MC74LCX125
U0303-2
U0303-3
MC74LCX125
9
10
8
VCC5
MC74VHC1GT00
U0309-1
$V
1
MC74LCX125
U0300-4
12
13
11
VCC5
NC7ST08
U0308-1
1
2
4
U0307-1
MC74VHC1GT00
1
2
4
1
2
4
33R0305
1
2
4
U0605-1
MC74VHC1GT00
C0312
MC74VHC1GT00
U0601-1
0.1uF
PWR_GND
U0303-5
GND
7
VCC
41
22R0310
$V
USB_DET
8
S
U
BV
4
1
C
C
V
7
VM
4
VO_VPO
11
VP
3
VPU
15
VREG
13
DPOS
10
ENUMERATE
16
FSE0_VMO
12
DN
G
7
1
6
MODE
OE_N
1
RCV
2
SUSPND
5
C0306
U0304
ISP1104
DNEG
9
1uF
VCC5
1uFC0310
C0305
VCC9
U0303-1
MC74LCX125
2
1
3
VCC2.85
VCC2.85
0.1uF
12
13
11
C0314
U0303-4
MC74LCX125
0.1uF
9
10
8
R0303
1.5K
5
4
6
U0300-3
MC74LCX125
10K
MC74LCX125
U0300-2
PWR_GND
7
GND
4
1
VCC
R0307
3
GND
5
VCC
VCC2.85
U0300-5
U0601-2
PWR_GND
3
GND
5
VCC
U0605-2
PWR_GND
1uFC0307
3
GND
5
VCC
0.1uF
C0301
U0308-2
PWR_GND
C0605
0.1uF
C0601
0.1uF
$V
1uF
C0315
$V
$V
R0301
100
R0300
100
C0302
0.1uF
VCC5
1uFC0308
33
U0300-1
MC74LCX125
2
1
3
R0304
C0311
0.1uF
C0313
0.1uF
VCC2.85
VCC2.85
GND
5
VCC
1uFC0309
VIP_OUT_1_3V
VIP_OUT_2_3V
U0307-2
PWR_GND
3
UTXD2
UCTS2
LHRST_IN
LHRST_OUT
URTS2
URXD2
BOOT_RX
USB_VPIN
URXD1_USB_VMIN
URXD1_USB_VMIN
URTS1_USB_XRXD
URTS1_USB_XRXD
SB96_RS232*_EN
USB-
USB-
UARTA_CTS
UARTA_TXD