T89C5121-ICUIL Atmel, T89C5121-ICUIL Datasheet - Page 33

• Manufacturer Part Number: T89C5121-ICUIL
• Description: IC 8051 MCU W/SMART CARD 24SSOP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of T89C5121-ICUIL

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SmartCard, UART/USART
• Peripherals: LED, POR, WDT
• Number Of I /o: 14
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: Flash RAM
• Eeprom Size: 16K x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.85 V ~ 5.4 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -
• Other names: Q1468934; T89C5121-ICSIL; T89C5121-ICSIL

A/T8xC5121
Figure 17. T = 0 Mode
> GT
CHAR 2
CHAR 1
< WT
Figure 18. T = 1 Mode
Reception
Transmission
BLOC 1
BLOC 2
CHAR n
CHAR 1
CHAR 2
CHAR n+1
CHAR n+2
CHAR n+3
< CWT
< CWT
< BWT
Power-on and Power-off FSM
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 19.
Figure 19. SCI Deactivation Sequence after a Card Extraction
V
CC
RST
CLK
8 Clock Cycles
IO
33
4164G–SCR–07/06