DSECASH Maxim Integrated Products, DSECASH Datasheet - Page 9

• Manufacturer Part Number: DSECASH
• Description: Power Management Modules & Development Tools eCash Evaluation Kit eCash Evaluation Kit
• Manufacturer: Maxim Integrated Products

Specifications of DSECASH

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Firmware State Diagram
See Figure 6 below for the firmware state diagram.
HARDWARE SPECIFICATIONS
A description of the evaluation board’s hardware components are found in the sections below. Covered items are
the Development Connector, the RJ11 “Customer” 1-Wire Interface, the DB9 Serial Interface, the Firmware Load
Enable Jumper, and the Power Connector.
Development Connector
IDC (Insulation Displacement Connector) 100 mil spacing.
The development connector can be used to remotely monitor and control the eCash evaluation board.
Figure 7. IDC Connector
2
4
6
8
10
1
3
5
7
9
Figure 6. Firmware State Diagram
None
Vend Product
Update Status
Present
Poll For
Occurred?
Timeout
Token
Yes
Gone
Departure
Wait for
Token
No
Arrival
Write Fail
Verified
Auth.
NSF
Fail
Verify
Fail
Authenticate Token
9 of 21
And Verify Cert.
Sign New Cert.
Verify Write
Update And
Write Cert.
To Token
To Token
Success
Updated
Written
Auth.
DSECASH: eCash Evaluation Kit