2/24/2008 9T6WP
BCM7405
Preliminary Hardware Data Module
Hardware Signal Descriptions
06/29/07
Bro a d c o m C o rp o r a ti o n
Page 1-112
Pin Definition Notations
Document
7405-1HDM00-R
1
13 - Analog I/O
UHF_IN_P
AI
–
2.5
–
A31
UHF receiver positive
differential input
System Side Device – 3
1
5 - DAA
DAA_C1A
AI
–
3.3
–
B7
System Side Device
Positive Differential Output
1
5 - DAA
DAA_C2A
AI
–
3.3
–
A7
System Side Device
Negative Differential Input
1
5 - DAA
DAA_AOUT
S/O
–
3.3
8
C7
DAA Audio Out. Shared
with CODEC_SDO
Network Connections
USB Host/Device Controller with Dual Port Interface – 24
1
15 - Ethernet/USB/
SATA
USB0_DP
I/O
PD
3.3
–
A13
D+ signal of USB port 1
Transceiver
1
15 - Ethernet/USB/
SATA
USB0_DN
I/O
PD
3.3
–
B13
D- signal of USB port 1
Transceiver
1
15 - Ethernet/USB/
SATA
USB0_PWRO
N
S/O
–
3.3
–
A9
Enable power to USB port 1
1
15 - Ethernet/USB/
SATA
USB0_PWRF
LT
I/O
PU
3.3
–
C10
Power Fault or Overcurrent
for USB port 1. Shared with
Observe PLL
1
15 - Ethernet/USB/
SATA
USB1_DP
I/O
PD
3.3
–
A12
D+ signal of USB port 2
Transceiver
1
15 - Ethernet/USB/
SATA
USB1_DN
I/O
PD
3.3
–
B12
D- signal of USB port 2
Transceiver
1
15 - Ethernet/USB/
SATA
USB1_PWRO
N
S/O
–
3.3
6
B9
Enable power to USB port 2
1
15 - Ethernet/USB/
SATA
USB1_PWRF
LT
I/O
PU
3.3
–
A10
Power Fault or Overcurrent
for USB port 2. Shared with
Observe PLL
1
15 - Ethernet/USB/
SATA
USB2_DP
I/O
PD
3.3
–
B11
D+ signal of USB port 3
Transceiver
1
15 - Ethernet/USB/
SATA
USB2_DN
I/O
PD
3.3
–
B10
D- signal of USB port 3
Transceiver
1
15 - Ethernet/USB/
SATA
USB2_PWRO
N
I/O
–
3.3
6
C8
Enable power to USB port 3
1
15 - Ethernet/USB/
SATA
USB2_PWRF
LT
I/O
PU
3.3
–
B8
Power Fault or Overcurrent
for USB port 3. Shared with
Observe PLL
1
11 - UHF/Video/HDMI/
RFM/AUDIO/...
USB_PLLVDD
12
APWR
–
1.2
–
C12
Analog Power (1.2 Volt) for
internal 480 MHz PLL
1
15 - Ethernet/USB/
SATA
USB_RREF
AI
–
3.3
–
D12
Bandgap reference resistor
1
15 - Ethernet/USB/
SATA
USB_MONPL
L
AO
–
3.3
–
F13
Test port for PLL, Bandgap,
CDR and I/O
Table 1-19: Pin Descriptions (Cont.)
# of
Pins
Orcad Schematic
Block
Label
I/O
Res.
Tol.
(V)
Drv.
(mA)
Loc.
Description