Cinterion DSB75 - Figure 53: Schematic Sheet 3 - SD Card Reader

DSB75 Development Support Board Rev. B1 Hardware Description
Confidential / Released

DSB75_hd_v12 Page 90 of 96 2008-08-26
sheet3
SCHEMATIC TOP HIERARCHY LEVEL DSB75
1:1
06.07.2004
B1
GND
C305
100P
GND
33P
C303
NB_
GND GND
C304
220N
0R
R303
33P
C302
NB_
11
S301
1
2
3
0R
R302
X301
CCM05-5770
10 12 13 14 15
1 2 3 4 5 6 7 8 9
GND
1
2
3
S306
1
2
3
S302
1
2
3
S304
C B A
VDD
S300
1
2
3
DATE
USER
APPR'D
Siemens AG
E D
C A
1
2
3
12345678910
1
2
3
S307 S303
1
2
3
S305
VDD
RXD1
RTS1 CTS1
TXD1_I
RTS1_I
SD_WP
SD_D1_I SD_D2_I
SD_CLK_I
SD_CMD_I
SD_D3_I SD_D0_I
TXD1
SPI2_CS SPI2_DI SPI2_SCLK SPI2_DO
SD_DET
SD_WP
RXD1_I CTS1_I
R300
47K
NB_ = not mounted
Figure 53: Schematic sheet 3 – SD card reader