Siemens ET7 Series Especificaciones Pagina 89
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Valorado. / 5. Basado en revisión del cliente
DSB75 Development Support Board Rev. B1 Hardware Description
Strictly confidential / Released
s
DSB75_hd_v08 Page 89 of 94 29.09.2005
GND
VDD
GND
N412
GND
3
1
4
5
2
C417
1U
C416
10N
GND
VIN
VEN
BYPASS
VOUT
LP3985IM5X-2.9
5V0
VDD_EN
3V3_4V5
GNDGND
C415
C414
4700U
4700U
C412
10U
C411
1N
R410
2K71K
R411
R414
1K
1K
R415
GND
4
4
1122
X410X411
4
5
36
1
2
GND
GNDGND
LP3856-ADJ
N410
ADJ
GNDGND1
SD
VIN VOUT
GND
10K
R409
GND
C410
10U
5V0
X405
12
GNDGND
GNDGND
1U
NB_L402
C413
1U
C403
4700U
C473
100U
1U
C470
VIN
VOUT1
VOUT2
ADJ/GND
1
3
N411
LM1086ISX
120R
R417
R416
100R
C471
1U
3V0
2
4
C472
100U
TP401
18R
R418
GNDGND
L401
47U
R400
R401
2K7
V401
40V/1A
12
3N3
8K25
C402
1
4
2
5
36N400
LM2596S-ADJ
GND1 GND2
VIN
FB OUT
ON_OFF
VUSB
1U
L480
GNDGNDGNDGND
C401
1U
330U
C405
C400
330U
5V0
V400
L400
X401
X400
2
2
1
1
3V0
ZJYS51R5-2PT
1SR154-400
12
2-POL
2-POL
VDD
GND GND
220R
R480
V430
MODULE "ON"
DSB "ON"
220R
R481
V431
1
2
1
2
GND
C480
100U
GND
VDD
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
10K
GND
R479
R478
R477
R476
R475
R474
R473
R472
R471
R470
R469
R468
R467
R466
R465
R464
R463
R462
R461
R460
3
3
3
3
3
3
3
3
3
3
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
S469
S468
S467
S466
S465
S464
S463
S462
S461
S460
GPIO1_I
GPIO2_I
GPIO3_I
GPIO4_I
GPIO5_I
GPIO6_I
GPIO7_I
GPIO8_I
GPIO9_I
GPIO10_I
GPIO10_I
GPIO9_I
GPIO8_I
GPIO7_I
GPIO6_I
GPIO5_I
GPIO4_I
GPIO3_I
GPIO2_I
GPIO1_I
SD_D0_I
SD_D1_I
SD_D2_I
SD_D3_I
SD_CLK_I
SD_CMD_I
GPIO7_SPI
GPIO8_SPI
RXD2_I
TXD2_I
3
3
3
3
3
3
3
3
3
3
1
1
1
1
1
1
1
1
1
12
2
2
2
2
2
2
2
2
2
S450
S451
S452
S453
S454
S455
S456
S457
S458
S459
GPIO8
GPIO7
R487
R488
R489
R486
R485
R484
R483
R482
0R
0R
0R
0R
0R
0R
0R
0R
GND
GND
GND
GND
SD_CMD
SD_CLK
SD_D3
SD_D2
SD_D1
SD_D0
RXD2_GPIO9
TXD2_GPIO10
33P33P33P33P33P33P
GND
GND
GND
GND
NB_C481
NB_C482NB_C483NB_C484NB_C485NB_C486NB_C487NB_C488
33P33P
NB = not mounted
SCHEMATIC
TOP HIERARCHY LEVEL
B1
DSB75
DATE
USER
APPR'D
06.07.2004
Siemens AG sheet4
1:1
10987654321
GND
GNDGND
GND
GND
GND
DTR
IGT
VBUS_B
GND
EMERG_RST
C420
C492
2U2
2U2
R420
R492
220K
220K
V420
BC847
S421
IGT
X421
R494
100K
100K
R495
R421
1M
X420
S420
100U
C421
VDDLP
GND
1
3
2
12
3
2
1
4
5
6
E1
B1
C2
C1
B2
E2
1
12
2
3
GPIO8
GPIO7
SD_D0
SD_D1
SD_D2
SD_D3
SD_CLK
SD_CMD
PWR_IND
3V0
C450
100U
GND
D450
SN74LVC244A
GND
2A4
2A3
2A2
2A1
1A4
1A3
1A2
1A1
2OE
1OE
VCC
2Y4
2Y3
2Y2
2Y1
1Y4
1Y3
1Y2
1Y1
1
2
4
6
8
11
13
15
17
10
19
20
18
16
14
12
9
7
5
3
V457
V456
V455
V454
V453
V452
V451
V450
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
LGT679-CO
LGT679-CO
LGT679-CO
LGT679-CO
LGT679-CO
LGT679-CO
LGT679-CO
LGT679-CO
2
R457
R456
R455
R454
R453
R452
R451
R450
220R
220R
220R
220R
220R
220R
220R
220R
3V0
D
E
F
C
B
D
1514131211109
87
65432
1
A
B
C
D
E
F
G
Figure 54: Schematic sheet 4 – GPIOs, power supply
- Hardware Description 1
- Contents 3
- Figures 4
- 0 Document History 7
- 1 Introduction 11
- 1.3 Scope of Delivery 12
- 1.4 Terms and Abbreviations 12
- 2 General Overview 14
- 2.2 System Overview 16
- Adjustable Resistors 17
- 2.4 Block Diagram 18
- 2.5 Interface Overview 19
- 3.2 Test Points 23
- 3.3 GPIO Lines 25
- Figure 9: SIM card interface 27
- Figure 11: RS-232 interfaces 29
- Table 9: Pin assignment of 1 31
- 3.6.2.1 Recommended Headset 36
- Figure 18: DAI interface 39
- 3.9 I²C Interface 43
- Figure 23: I²C interface 44
- 3.10 SD Card Interface 46
- 11 10 8 7 6 5 4 3 2 1 9 47
- 3.10.1 SD 4 Bit Mode 48
- 3.10.2 SD 1 Bit Mode 49
- 3.10.3 SPI Bus Mode 50
- 3.12 Analog Interface 53
- 3.13 Antenna Interface 55
- C400,401,405 58
- X602 pin. Function 61
- 3.14.3.2 Charging Circuit 62
- GSM module 63
- 3.14.5 Adjusting the V 64
- 4 Status LEDs 65
- 4.3 Indication of Power 67
- 4.4 Indication of I²C Lines 67
- 5.1 Overview of Switches 68
- 5.2 Overview of Jumpers 73
- Figure 48: Turn on circuit 77
- 6.1.3 Emergency Restart 78
- 7 Technical Data of DSB75 79
- ~~~~~~~~~~~~~~~ 82
- 8 Appendix 83
- APPR'D 84
- NB = not mounted 87
- NB_ = not mounted 88
- 8.3 Floor Plan of the DSB75 93
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