Broadcom BCM7405 - Page 125

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 1-111
1 2 - Extended Bus
Interface/Reset In/Out
EBI_RDb S/O – 3.3 8 AN17 Read control (OE) for
asynchronous memory.
Shared with NAND FLASH
RE
1 2 - Extended Bus
Interface/Reset In/Out
EBI_TSIZE0b S/O – 3.3 8 AL17 Data size control (byte/
word) (Output only for
Master)
1 2 - Extended Bus
Interface/Reset In/Out
EBI_TSIZE1b S/O – 3.3 8 AK17 Data size control (byte/
word) (Output only for
Master)
1 2 - Extended Bus
Interface/Reset In/Out
EBI_TSb S/O – 3.3 8 AM18 Transaction start (input in
test mode master). Shared
with NAND FLASH CLE
1 2 - Extended Bus
Interface/Reset In/Out
EBI_DSb S/O – 3.3 8 AN18 Data Strobe (DSb) for 68k
bus mode. Shared with
NAND FLASH ALE
Dual UHF Receiver – 15
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
UHF_AVDD12 APWR – 1.2 – B31 UHF 1.2V power supply
input
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
UHF_AVDD25 APWR – 2.5 – D31 UHF 2.5V power supply
input
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
UHF_AVDD33 APWR – 3.3 – C31 UHF 3.3V power supply
input
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
UHF_AVSS_0 AGND – GND – B30 UHF ground input
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
UHF_AVSS_1 AGND – GND – C30 UHF ground input
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
UHF_AVSS_2 AGND – GND – D29 UHF ground input
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
UHF_AVSS_3 AGND – GND – E29 UHF ground input
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
UHF_AVSS_4 AGND – GND – E30 UHF ground input
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
UHF_LNA_GN
D
AGND – GND – C29 UHF ground input
1 11 - UHF/Video/HDMI/
RFM/AUDIO/...
UHF_PLL_GN
D
AGND – GND – D30 UHF ground input
1 13 - Analog I/O UHF_RXTEST AO – – F29 UHF test output
1 13 - Analog I/O UHF_IFI AI – 2.5 – A32 UHF receiver 1 IF input
from 10.7-MHz ceramic
filter
1 13 - Analog I/O UHF_IFO AO – 2.5 – B32 UHF receiver 1 IF output to
10.7-MHz ceramic filter
1 13 - Analog I/O UHF_IN_N AI – 2.5 – A30 UHF receiver negative
differential input
Table 1-19: Pin Descriptions (Cont.)
# of
Pins
Orcad Schematic
Block
Label I/O Res.
Tol.
(V)
Drv.
(mA)
Loc. Description