AT83EC5123 ATMEL Corporation, AT83EC5123 Datasheet - Page 41
AT83EC5123
Manufacturer Part Number
AT83EC5123
Description
(AT8xx512x) Smart Card Reader ICs
Manufacturer
ATMEL Corporation
Datasheet
1.AT83EC5123.pdf
(187 pages)
- Current page: 41 of 187
- Download datasheet (3Mb)
Power-on and Power-off FSM
4202B–SCR–07/03
In T=1 mode, the CWT (character waiting time) or the BWT (block waiting time) are
loaded in the same registers.
The maximum time between two consecutive start bit is WT[31:0] * ETU.
When used to check BWT according to ISO 7816, WT can be set between 971 and
15728651.
The WT counter is 32 bits wide in order to handle the BWT extension. In this case, WT
must be loaded with the value BWT * WTX.
Figure 22. T=0 mode
Figure 23. T=1 Mode
In this state, the machine applies the signals on the smart card in accordance with
ISO7816 standard.
To be able to power on the SCIB, the card presence is mandatory. Removal of the smart
card will automatically start the power off sequence as described in Figure 24.
The SCI deactivation sequence after a reset of the CPU or after a lost of power supply is
ISO7816 compliant. The switching order of the signals is the same as in Figure 24 but
the delay between signals is analog and not clock dependant.
CHAR 1
< CWT
TRANSMISSION
CHAR 2
BLOC 1
CHAR 1
CHAR n
> GT
< WT
< BWT
CHAR 2
CHAR n+1
< CWT
AT8xC5122/23
RECEPTION
CHAR n+2
BLOC 2
CHAR n+3
41
Related parts for AT83EC5123
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
INTERVAL AND WIPE/WASH WIPER CONTROL IC WITH DELAY
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Low-Voltage Voice-Switched IC for Hands-Free Operation
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
AM-FM Receiver IC U4255BM-M
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Monolithic Integrated Feature Phone Circuit
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Multistandard Video-IF and Quasi Parallel Sound Processing
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
High-performance EE PLD
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
8-bit Flash Microcontroller
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
2-Wire Serial EEPROM
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
U6046BREAR WINDOW HEATING TIMER / LONG-TERM TIMER
Manufacturer:
ATMEL Corporation
Datasheet: