DESCRIPTION

The P90CL301BFH is a highly integrated low-voltage 16/32-bit microcontroller especially suitable for digital mobile systems such as GSM, DCS1900, IS54/95 and other applications requiring low voltage, low power consumption and high computing power. It is fully software compatible with the 68000.

FEATURES

• Fully 68000 software compatible

• Static design with 32-bit internal structure

• Power saving modes: Power-down, Standby and Idle mode

• External clock input: 27 MHz at 2.7 V

• Single supply voltage of 2.7 to 3.6 V; down to 1.8 V for RAM retention

• 68000 compatible bus interface

• Intel 8051 compatible bus interface

• 16 Mbytes program/data address range

• 8 programmable chip-selects

• Dynamic bus sizing, 16 or 8-bit memory bus port size

• 56 powerful instruction types:

– 5 basic data types, and

– 14 addressing modes

• 7 programmable interrupt inputs:

– a Non-Maskable Interrupt input (NMIN)

– 14 auto-vectored interrupts and 7 interrupt priority levels

• 24 port pins (multiplexed with other functions)

• 2 UART serial interfaces; an independent baud rate generator with two programmable outputs (UART0 and UART1)

• UART queue with maximum 256 bytes

• I2C-bus serial interface 100 kbaud

• 2 timer arrays including:

– two 16-bit reference counters and 8-bit programmable prescalers

– six 16-bit match/capture registers with equality comparators

• Watchdog Timer with 21-bit resolution

• Two 8-bit Pulse Width Modulation (PWM) outputs with 8-bit prescaler

• Four 8-bit Analog-to-Digital Converter (ADC) inputs with Power-down mode

• 512 bytes RAM on-chip

• On-Circuit Emulation (ONCE) mode and internal Test-ROM (256 bytes) for on-board testing

• 80-pin LQFP package

• Temperature range −40 to +85 °C

• 0.5 micron CMOS low voltage technology.