DSECASH Maxim Integrated Products, DSECASH Datasheet - Page 20

• 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

Table 14. Events
Table 15. Error Codes
Code
(hex)
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
10
Code
M
R
U
D
C
A
S
E
L
I
Description
No valid token found during poll
Tear occurred, the device contents have not changed
Tear occurred, the device contents are in an unknown state
Tear occurred, but a fix has been applied. Retry verification.
Failed to erase coprocessor scratchpad.
Failed to find account file
Failed to get challenge from coprocessor
During Read: Failed to issue challenge to token
During Verify: Failed to issue challenge to token
Failed to read token's account data, or data is bad
Failed to compute the UTS
Device failed authentication
Money file signature failed validation
Failed to update the device
Insufficient funds for debit.
Failed to erase scratchpad.
Operation Description
Soft reset complete
1-Wire arrival reporting, data is ROM
1-Wire departure reporting, data is ROM
Automatic read of select pages from user
Authenticated raw service data (8 bytes)
Authenticated monetary balance service data
Debited final balance
IO bit pulse after completion of D. (If D is not set then
pulse on completion of S or M).
Status displayed on LCD, length variable
Error (see Table 10)
20 of 21
Length + Data Payload Format
00
10RRRRRRRRRRRRRRRR
10RRRRRRRRRRRRRRRR
40AA55AA55AA55AA55AA55AA55AA5
5AA55AA55AA55AA55AA55AA55AA55
AA55AA55
06MBMBMB
06MBMBMB
00
0155
010A
10CTCMCMMBMBMBIDID
DSECASH: eCash Evaluation Kit