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 1-117
1
16 - GPIO
GPIO_020
STI/O
PD
3.3
8
V32
Generic I/O port. Shared
with PWM_0 / Ext. IRQb_13
/ SPI_S_SS0b /
VEC_VSYNC_0 /
SPI_M_SS1b
1
16 - GPIO
GPIO_021
STI/O
PD
3.3
8
U31
Generic I/O port. Shared
with PWM_1 / Ext. IRQb_14
/ SPI_S_MISO /
VEC_VSYNC_1 /
SC_CLK_OUT
1
16 - GPIO
GPIO_022
STI/O
PD
3.3
8
U33
Generic I/O port. Shared
with IR_INT / Ext. IRQb_11
/ UART_RXD_0 /
TTX0_REQ /
VEC_VSYNC_0
1
16 - GPIO
GPIO_023
STI/O
PD
3.3
8
U32
Generic I/O port. Shared
with IR_IN1 / Ext. IRQb_12
/ UART_TXD_0 /
TTX0_DATA /
VEC_VSYNC_1
1
16 - GPIO
GPIO_024
STI/O
PD
3.3
8
AD31
Generic I/O port. Shared
with VI_656_CLK / Ext.
IRQb_10
1
16 - GPIO
GPIO_025
STI/O
PD
3.3
8
L31
Generic I/O port. Shared
with CHIP2POD_SCLK /
SPI_M_SCK /
EBI_ADDR_01
1
16 - GPIO
GPIO_026
STI/O
PD
3.3
8
L30
Generic I/O port. Shared
with POD2CHIP_SDI /
SPI_M_MOSI
1
16 - GPIO
GPIO_027
STI/O
PD
3.3
8
K34
Generic I/O port. Shared
with CHIP2POD_SDO /
SPI_M_MISO /
EBI_ADDR_00
1
16 - GPIO
GPIO_028
STI/O
PD
3.3
8
K33
Generic I/O port. Shared
with CHIP2POD_SCTL /
SPI_M_SS0b /
EBI_ADDR_02
1
16 - GPIO
GPIO_029
STI/O
PD
3.3
8
M31
Generic I/O port. Shared
with POD2CHIP_MISTRT /
PPKT_SYNC / PKT_CLK2
1
16 - GPIO
GPIO_030
STI/O
PD
3.3
8
N30
Generic I/O port. Shared
with POD2CHIP_MIVAL /
PPKT_VALID / PKT_CLK3
1
16 - GPIO
GPIO_031
STI/O
PD
3.3
8
N31
Generic I/O port. Shared
with POD2CHIP_MDI0 /
PPKT_DATA0 / PKT_CLK4
1
16 - GPIO
GPIO_032
STI/O
PD
3.3
8
P30
Generic I/O port. Shared
with POD2CHIP_MDI1 /
PPKT_DATA1 /
PKT_DATA2
Table 1-19: Pin Descriptions (Cont.)
# of
Pins
Orcad Schematic
Block
Label
I/O
Res.
Tol.
(V)
Drv.
(mA)
Loc.
Description