无掩膜 50KB EEPROM 智能卡芯片

产品详情：

FEATURES
• 8-bit architecture CPU core
• 50K-bytes EEPROM with 1 to 128 byte programming, mask ROM like protection for
program area
• 1,392 bytes RAM
• Operating voltages: 3V ±10% or 5V ±10%
• 12MHz maximum internal bus frequency for 3V
and 5V operations
• GSM mode for power saving with maximum
6MHz internal bus operation
• Random number generator
• One bidirectional I/O line (1-bit ISO 7816), with
internal pull-up and external interrupt capability
• 16-bit programmable timer with prescaler
• Internal 10MHz RC 1 oscillator for bus
• Internal 400KHz RC 2 oscillator for timer
• Multi-bus speeds (÷1, ÷2, ÷4, or ÷16)
• Watchdog system
• High voltage protection
• Low-voltage reset
• Clock-high frequency filter
• Clock-low frequency reset
• Maximum operating current: 9mA
• Maximum operating current in GSM mode:
5mA at 5V and 3V