TMP90C848F

TOSHIBA TLCS-90 Series CMOS 8–Bit Microcontrollers TMP90C848F 1. Outline and Characteristics The TMP90C848F is a high-end 8-bit microcontroller developed in order to control power supply switching. With built-in high-speed 16-channel flush A/D converter (conversion time: 1.6 microseconds @10MHz*), high-speed 8-channel PWM (8-bit resolution, oscillation frequencies of 80KHz, 160KHz, and 320KHz @10MHz*) and a clock switching function, the TMP90C848F is ideal for controlling compact personal computer power supplies. (* indicates a CPU clock with a 20MHz external clock (X1), which is divided by 2 during high-speed operation.) The TMP90C848F is a CMOS 8-bit microcontroller which integrates an 8-bit CPU, ROM, RAM, an A/D converter, a multi-function timer, serial interface, high-speed PWM, and a clock switching function in a single chip. The characteristics of the TMP90C848F are as follows: (Assuming high-speed external clock X1 = 20MHz, CPU clock fc = 10MHz) (1) Highly efficient instructions (TLCS-90 instruction sets) 163 types of basic instructions, including Multiplication/division arithmetic, 16-bit arithmetic operation, bit manipulation instruction. Minimum instruction executing time: 400ns Built-in ROM: 8K bytes (4) (5) (6) (7) Built-in RAM: 512 bytes High-speed flash A/D converter (standard conversion time: 1.6 microseconds, 16 channels) General-purpose serial interface (1 channel) High-speed PWM output (8 channels, effective only at high-speed clock operation) Oscillation frequ...