2/24/2008 9T6WP
BCM7405 Preliminary Hardware Data Module
Hardware Signal Descriptions 06/29/07
Broadcom Corporation
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