2/24/2008 9T6WP
Preliminary Hardware Data Module
BCM7405
06/29/07
Hardware Signal Descriptions
Bro a d c o m Co rp o r a ti o n
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