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INTRODUCTION

The ST6215L/25L are low voltage mask programmed ROM version of ST62T15C,T25C OTP devices.

They offer the same functionality as OTP devices, selecting as ROM options the options defined in the programmable option byte of the OTP version, with the exception of the LVD Reset that is not available.

■ 2.4 to 3.9V Supply Operating Range

■ 4 MHz Maximum Clock Frequency

■ 0 to +70°C Operating Temperature Range

■ Run, Wait and Stop Modes

■ 5 Interrupt Vectors

■ Look-up Table capability in Program Memory

■ Data Storage in Program Memory: User selectable size

■ Data RAM: 64bytes

■ 20 I/O pins, fully programmable as:

– Input with pull-up resistor

– Input without pull-up resistor

– Input with interrupt generation

– Open-drain or push-pull output

– Analog Input

■ 8 I/O lines can sink up to 12mA to drive LEDs

■ 8-bit Timer/Counter with 7-bit programmable prescaler

■ Digital Watchdog

■ 8-bit A/D Converter with 16 analog inputs

■ On-chip Clock oscillator can be driven by Quartz Crystal Ceramic resonator or RC network

■ Power-on Reset

■ One external Non-Maskable Interrupt

■ ST626x-EMU2 Emulation and Development System (connects to an MS-DOS PC via an RS232 serial line)