DSECASH Maxim Integrated Products, DSECASH Datasheet - Page 15
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DSECASH
Manufacturer Part Number
DSECASH
Description
Power Management Modules & Development Tools eCash Evaluation Kit eCash Evaluation Kit
Manufacturer
Maxim Integrated Products
Datasheet
1.DSECASH.pdf
(21 pages)
Specifications of DSECASH
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Figure 14. Power Supply
J1
POWER1
Figure 15. RS232 Serial Interface
VCC
VCC
14
14
2
7
5
7
R1
10K
VCC
GND
VCC
GND
D1
1N4002
D2
1N4002
1
2
U2A
74HC125
U2B
74HC125
3
6
EA
PSEN
RESET
U2C
74HC125
8
GND
D3
1N4002
D4
1N4002
VCC
14
9
7
VCC
+ C1
100uF
1
14
12
7
U1
7805
JP
PROGRAM
1
VIN
U2D
74HC125
VCC
GND
2
VOUT
11
15 of 21
DTR5
P3.7
3
VCC
TX0
RX0
DTR5
20
13
14
10
17
2
1
3
8
U3
MAX
T1IN
T2IN
R1OUT
R2OUT
C1+
C1-
V-
VB-
V+
VCC
+ C2
203
22uF
T1OUT
T2OUT
C2B+
R1IN
R2IN
GND
GND
C2B-
DSECASH: eCash Evaluation Kit
VCC
C2+
C2-
VCC
TP1
GND
+ C3
7
5
18
4
19
12
15
16
11
9
6
22uF
C10
.1uF
RX12
TX12
DTR12
C4
.1uF
DB9
TP3
VCC
TP2
GND
1
6
2
7
3
8
4
9
5
C5
.1uF
Female
J2