6/( &6
ELW 6HFXULW\ &RQWUROOHU ZLWK
.E\WH 520 E\WH 5$0 .E\WH ((3520 DQG 6OHHS 0RGH
)HDWXUHV
• 8-bit microcomputer in CMOS
technology
• Instruction set opcode compatible with
standard SAB8051 processor
• Dedicated, non-standard architecture
with execution time less than half of
standard SAB 8051 processor
• 7-Kbyte User ROM for application
programs
• 2-Kbyte manufacturer ROM for &hip
0anagement 6ystem (CMS)
• .E\WH ((3520 as program/data
memory
• 256-byte RAM
• Power saving sleep mode
• Clock freq. = int. freq.:
1 to 5 MHz1) at 5 V ± 10 %,
1 to 4 MHz at 3 V ± 10 %
• Contact configuration and serial
interface in accordance with ISO7816
• Supply voltage range: 2.7 V to 5.5 V
• < 10 mA supply current at 5 MHz
• Temperature range: – 25 to + 70 °C 2)
• ESD protection larger than 4 kV
((3520
• Reading, erasing and writing byte by
byte
• Flexible page mode for 1 to 16 bytes
write/erase operation
• 32 bytes security area
• Write time 3.5 ms, erase time 1.75 ms
• Frequency-adaptable programming
time
• Minimum of 500 000 write/erase
cycles3)
• Data retention for minimum of ten years
• EEPROM programming voltage
generated on chip
6HFXULW\ )HDWXUHV
• ROM code not visible due to
implantation
• Low voltage sensor
• High voltage sensor
• Low-frequency sensor
• High-frequency protection
• 16 bytes security PROM, hardware
protected
• Unique chip identification number for
each chip
&06
• Intelligent write/erase routines for N
bytes programming (0 < N < 256)
• 7ZR VHULDO LQWHUIDFH PRGHV
DFFRUGLQJ WR ,62
– 9600 bit/s related to 3.57 MHz
– 9600 bit/s related to 4.91 MHz
1) Extended frequency range up to 7.5 MHz is available, see ordering information.
2) Extended temperature range is available for certain applications, e.g. GSM, see ordering information.
3) Values are temperature dependent, for further information please refer to your Infineon Technologies
Sales Office.
6KRUW 3URGXFW ,QIRUPDWLRQ
3/5