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78
Coyote (BL2500)
B.4 Power to Peripheral Cards
DCIN and Vcc are available on friction-lock connector terminals J7 and J8 to power
peripheral cards that may be used with the Coyote.
Figure B-3. Pinout Friction-Lock Connector Terminals J7 and J8
Keep in mind that the Coyote draws 377 mA from the Vcc supply, and that the diode at D1
(shown in Figure B-1) can handle at most 1 A at V
RAW
, so that leaves the remaining current
capacity to be shared among the DCIN and Vcc pins on friction-lock connector terminals
J7 and J8. Table B-1 lists the available current at DCIN based on the current drawn at Vcc.
Table B-1. DCIN Current Available at J7 and J8 (in mA)
Based on Power Supply and Vcc (= 5 V) Current Used at J7 and J8
V
RAW
Power Supply
Input at J2
(V)
Current at Vcc
100 mA 200 mA 300 mA 400 mA 500 mA 600 mA 623 mA
8.0
545
450
355
260
164
69
47
8.5
574
484
395
306
216
127
107
9.0
599
515
431
347
263
178
159
10
641
566
490
415
340
265
248
12
703
641
579
517
455
393
378
18
805
764
723
682
642
601
591
24
855
824
794
763
733
703
696
30
884
860
836
811
787
763
750
40
913
895
877
859
841
823
819
CAUTION
Battery
Y1
JP1
JP2
JP3
JP4
ACT
LNK
J4
GND
C3
R4
R5
C4
C7
C6
C10
C12
C16
U2
C9
C1
1
C15
C20
J3
C41
C44
DS2
DS1
Y3
C42
C38
Y2
U9
Q1
D1
C33
R29
R28
C22
R32
C24
R33
U5 R14
R18
R19
C13
R1
1
R12
R21 C23
R16
C18
C17
R20
C25
R24
R30
C26
R23
U6
C19 R15
R17
R22
R27
C14
R9
RP2
C46
C47
R46 R47
RP1
C1
R1
Power
Supply
J7
J2
J8
J10
+K
GND
GND
DCIN
GND
Vcc
n.c.
DCIN
GND
Vcc
n.c.
DCIN
J8
J7
GND
Vcc
n.c.
DCIN
GND
Vcc
n.c.
DCIN
Содержание Coyote BL2500
Страница 1: ...Coyote BL2500 C Programmable Single Board Computer with Ethernet User s Manual 019 0120_M...
Страница 6: ...Coyote BL2500...
Страница 71: ...User s Manual 65 APPENDIX A SPECIFICATIONS Appendix A provides the specifications for the Coyote...
Страница 90: ...84 Coyote BL2500...
Страница 103: ...User s Manual 97 function calls readUserBlock 36 writeUserBlock 36 sample programs USERBLOCK_INFO C 52 55 56...
Страница 104: ...98 Coyote BL2500...
Страница 106: ......