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 1-123
1
22 - GPIO
GPIO_095
STI/O
PD
3.3
8
AL9
Generic I/O port. Shared
with LED_LD_0 / MII_MDC
/ DVO0_05
1
22 - GPIO
GPIO_096
STI/O
PD
3.3
8
AK9
Generic I/O port. Shared
with LED_LD_1 / MII_CRS /
DVO0_06
1
22 - GPIO
GPIO_097
STI/O
PD
3.3
8
AM7
Generic I/O port. Shared
with LED_LD_2 /
MII_RX_EN / DVO0_07
1
22 - GPIO
GPIO_098
STI/O
PD
3.3
8
AL8
Generic I/O port. Shared
with LED_LD_3 /
MII_RXD_00 / DVO0_08
1
22 - GPIO
GPIO_099
STI/O
PD
3.3
8
AK8
Generic I/O port. Shared
with LED_LD_4 /
MII_RXD_01 / DVO0_09
1
22 - GPIO
GPIO_100
STI/O
PD
3.3
8
AL7
Generic I/O port. Shared
with LED_LD_5 /
MII_RXD_02 / DVO0_10
1
22 - GPIO
GPIO_101
STI/O
PD
3.3
8
AK7
Generic I/O port. Shared
with LED_LD_6 /
MII_RXD_03 / DVO0_11
1
22 - GPIO
GPIO_102
STI/O
PD
3.3
8
AN8
Generic I/O port. Shared
with LED_LD_7 /
MII_RX_ER /
DVO0_CLK_P
1
22 - GPIO
GPIO_103
STI/O
PD
3.3
8
AM9
Generic I/O port. Shared
with SC_EXT_CLK
1
22 - GPIO
GPIO_104
STI/OD
Ext PU
5
8
AN9
Generic I/O port. Shared
with SC_IO_0 /
NDS_SC_IO / Ext. IRQb_0 /
UART_RXD_0
1
22 - GPIO
GPIO_105
STI/O
–
5
8
AM8
Generic I/O port. Shared
with SC_CLK_0 /
NDS_SC_CLK / Ext.
IRQb_1 / UART_TXD_0
1
22 - GPIO
GPIO_106
STI/O
–
5
8
AM10
Generic I/O port. Shared
with SC_RST_0 /
NDS_SC_RST / Ext.
IRQb_2 / UART_CTS_0
1
22 - GPIO
GPIO_107
STI/O
Ext PU
/ PD
5
8
AP10
Generic I/O port. Shared
with SC_PRES_0 /
NDS_SC_PRES / Ext.
IRQb_9 / UART_RTS_0
1
22 - GPIO
GPIO_108
STI/O
Ext PU
/ PD
5
8
AN10
Generic I/O port. Shared
with SC_VCC_0 /
NDS_SC_VCC / Ext.
IRQb_10
Table 1-19: Pin Descriptions (Cont.)
# of
Pins
Orcad Schematic
Block
Label
I/O
Res.
Tol.
(V)
Drv.
(mA)
Loc.
Description