Broadcom BCM7405 - Page 138

2/24/2008 9T6WP
BCM7405 Preliminary Hardware Data Module
Hardware Signal Descriptions 06/29/07
Broadcom Corporation
Page 1-124 Pin Definition Notations Document 7405-1HDM00-R
1 22 - GPIO GPIO_109 STI/O PD 3.3 8 E8 Generic I/O port. Shared
with CODEC_SDI / Ext.
IRQb_11 / UART_CTS_0 /
SPI_M_SCK /
NDS_SC_AUX_0
1 22 - GPIO GPIO_110 STI/O PD 3.3 8 D8 Generic I/O port. Shared
with CODEC_SCLK / Ext.
IRQb_12 / UART_RTS_0 /
SPI_M_MOSI /
NDS_SC_AUX_1
1 22 - GPIO GPIO_111 STI/O PD 3.3 8 E9 Generic I/O port. Shared
with CODEC_FSYNCb /
Ext. IRQb_13 /
UART_RXD_0 /
SPI_M_MISO /
NDS_SC_VPP
1 22 - GPIO GPIO_112 STI/O PD 3.3 8 D9 Generic I/O port. Shared
with CODEC_MCLK / Ext.
IRQb_14 / UART_TXD_0 /
SPI_M_SS0b
1 22 - GPIO SGPIO_00 STI/OD Ext PU 5 8 U30 Generic I/O port. Shared
with BSC_M0_SCL
1 22 - GPIO SGPIO_01 STI/OD Ext PU 5 8 V31 Generic I/O port. Shared
with BSC_M0_SDA
1 22 - GPIO SGPIO_02 STI/OD Ext PU 5 8 B16 Generic I/O port. Shared
with BSC_M1_SCL
1 22 - GPIO SGPIO_03 STI/OD Ext PU 5 8 D17 Generic I/O port. Shared
with BSC_M1_SDA
1 22 - GPIO SGPIO_04 STI/OD Ext PU 5 8 V33 Generic I/O port. Shared
with BSC_M2_SCL
1 22 - GPIO SGPIO_05 STI/OD Ext PU 5 8 V34 Generic I/O port. Shared
with BSC_M2_SDA
1 22 - GPIO SGPIO_06 STI/OD Ext PU 5 8 AM12 Generic I/O port. Shared
with BSC_M3_SCL
1 22 - GPIO SGPIO_07 STI/OD Ext PU 5 8 AN12 Generic I/O port. Shared
with BSC_M3_SDA
BSC Slave – 2 (device testing)
1 8 - EJTAG/BroadBand
Studio
BSC_S_SCL STI Ext PU 5 8 J34 BSC slave interface clock.
Shared with SPI_S_SCK
1 8 - EJTAG/BroadBand
Studio
BSC_S_SDA STI/OD Ext PU 5 8 K32 BSC slave interface data.
Shared with SPI_S_MOSI
(Master out/slave in)
Crystal and Clock I/O – 13
1 12 - Clocks CLK54_XTAL
N
XO – 2.5 – E33 54 MHz (3rd harmonic from
18 MHz crystal)
1 12 - Clocks CLK54_XTAL
P
XI – 2.5 – E32 54 MHz (3rd harmonic from
18 MHz crystal)
Table 1-19: Pin Descriptions (Cont.)
# of
Pins
Orcad Schematic
Block
Label I/O Res.
Tol.
(V)
Drv.
(mA)
Loc. Description