DSB75 Development Support Board Rev. B1 Hardware Description
Confidential / Released
DSB75_hd_v12
Page 74 of 96
2008-08-26
S201
S200
X554
1
1
1
3
3
3
TXD0
RXD0
open
USC1
USC2
VEXT (boot load)
TXD0_I
RXD0_I
SYNC
3
1
3
1
3
1
3
1
S711
S710
S715
S714
on
off
EPN2
on
off
EPP2
on
off
MICN2
on
off
MICP2
1
1
3
3
3
3
1
1
1
1
3
3
3
3
1
1
1
1
1
1
1
1
3
3
3
3
3
3
S731
S713
S303
S302
S730
S716
S307
S306
S717
S712
S305
S304
S300
S301
on
on
SD-Card SPI-Mode
CS
SD-Card SPI-Mode SCLK
SD-Card SPI-Mode DI
on
on
on
SPI2_CS
SPI2_DI
SPI2_SCLK
SPI2_DO
on
off
off
off
off
TXD1/SD
RXD1/SD
RTS1/SD
CTS1/SD
off
off
TXD1
RXD1
SD-Card SPI-Mode DO
RTS1
CTS1
AGND
MICN1
EPN1
EPP1
MICP1
TXD1
RXD1
RTS1
CTS1
VMIC
TXD1/SD
RXD1/SD
RTS1/SD
CTS1/SD
=0
1
=0
1
=0
1
open
1
open
1
1
5V; on EEPROM
1
5V; on EEPROM
=1
3
=1
3
=1
3
on DAC_OUT
3
on DAC_OUT
3
3
3V; on SPI1_CLK
3
3V; on SPI1_CLK
S502
S503
S504
S552
S551
S500
S501
EEPROM A0
EEPROM A1
EEPROM A2
AD2_IN
AD1_IN
I2CCLK
I2CDAT
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
S458
S467
S468
S 465
S461
S460
S450
S451
S45
4
S459
S46
9
S4 6
6
S464
S 463
S462
S453
S452
S457
S456
S 4
55
RXD2
GPIO10
GPIO9
TXD2
RXD2_GPIO9
pull-up
pull-down
Don't Use
pull-up
pull-down
GPIO9
pull-up
pull-down
GPIO6
pull-up
pull-down
GPIO2
pull-down
pull-up
GPIO1
SD_D0
GPIO1
SD_D0 / GPIO1
GPIO2
SD_D1
SD_D1 / GPIO2
GPIO5
SD_CLK
SD_CLK / GPIO5
GPIO6
SD_CMD
SD_CMD / GPIO6
TXD2_GPIO10
pull-up
pull-down
GPIO10
pull-up
pull-up
pull-up
pull-up
pull-down
pull-down
pull-down
pull-down
Don't use
GPIO5
GPIO4
GPIO3
GPIO4
SD_D3
SD_D3 / GPIO4
GPIO3
SD_D2
SD_D2 / GPIO3
Don't use
SPI1_DI
SPIDI
SPI1_CS
Don't use
SPICS
1
1
1
3
3
3
S110
S111
S112
from X110
from X110
from X110
from X111
from X111
from X111
VUSB_IN
USB_DN
USB_DP
Figure 43: Location, signal names and switch positions of the slide switches