Broadcom BCM7405 - Page 127

2/24/2008 9T6WP
Preliminary Hardware Data Module BCM7405
06/29/07 Hardware Signal Descriptions
Broadcom Corporation
Document 7405-1HDM00-R Pin Definition Notations Page 1-113
1 15 - Ethernet/USB/
SATA
USB_MONCD
R
AO – 3.3 – F12 CDR monitor
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
USB_AVDD33
_0
APWR – 3.3 – D13 Transmitter Analog Power
(3.3V +5% / -5%)
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
USB_AVDD33
_1
APWR – 3.3 – C13 Transmitter Analog Power
(3.3V +5% / -5%)
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
USB_AVDD25
_0
APWR – 2.5 – C11 Transmitter Analog Power
(2.5V +5% / -5%)
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
USB_AVDD12
_0
APWR – 1.2 – D10 Transmitter Analog Power
(1.2V +5% / -5%)
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
USB_AVDD12
_1
APWR – 1.2 – D11 Transmitter Analog Power
(1.2V +5% / -5%)
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
USB_AVSS_0 AGND – GND – E12 Receiver Analog Ground
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
USB_AVSS_1 AGND – GND – E11 Receiver Analog Ground
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
USB_AVSS_2 AGND – GND – E10 Receiver Analog Ground
Ethernet – 12
1 15 - Ethernet/USB/
SATA
EPHY_VREF AI – 2.5 – E13 Ethernet internal voltage
reference
1 15 - Ethernet/USB/
SATA
EPHY_RDAC AI – 2.5 – E14 Ethernet DAC Bias Resistor
1 15 - Ethernet/USB/
SATA
EPHY_RDN AI – 2.5 – B14 Ethernet receiver –
differential low
1 15 - Ethernet/USB/
SATA
EPHY_RDP AI – 2.5 – C14 Ethernet receiver –
differential high
1 15 - Ethernet/USB/
SATA
EPHY_TDN AO – 2.5 – A15 Ethernet transmitter –
differential low
1 15 - Ethernet/USB/
SATA
EPHY_TDP AO – 2.5 – B15 Ethernet transmitter –
differential high
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
EPHY_AVDD1
2_0
APWR – 1.2 – C15 Ethernet analog 1.2 Volt
power
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
EPHY_PLLVD
D12
APWR – 1.2 – D14 Ethernet analog 1.2 Volt
power
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
EPHY_AVSS_
0
AGND – GND – E15 Ethernet analog ground
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
EPHY_PLLVS
S
AGND – GND – E16 Ethernet PLL ground
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
EPHY_AVDD1
2_1
APWR – 2.5 – D15 Ethernet analog 1.2 Volt
power
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
EPHY_BIAS_
VDD25
APWR – 2.5 – D16 Ethernet analog 2.5 Volt
power
Table 1-19: Pin Descriptions (Cont.)
# of
Pins
Orcad Schematic
Block
Label I/O Res.
Tol.
(V)
Drv.
(mA)
Loc. Description