描述 Description

The CXP921000A is a CMOS 16-bit single chip microcomputer of piggyback/evaluator combined type, which is developed for evaluating the function of the CXP921064A.

特性 Features

? An efficient instruction set as a controller

– Direct addressing, numerous abbreviated forms,

multiplication and division instructions

? Instruction sets for C Ianguage and RTOS

– Highly quadratic instruction system,

general-purpose register of eight 16-bit × 16-bank configuration

? Minimum instruction cycle time 100ns at 20MHz operation (2.7 to 3.3V)

61μs at 32kHz operation (2.2 to 3.3V)

? Incorporated EPROM CXP27V1000K

? Incorporated RAM capacity 10K bytes

? Peripheral functions

— A/D converter 8-bit 12 analog input, 2 channels successive approximation system,

automatic scanning function, (Conversion time: 3.4μs at 20MHz)

— Serial interface 128 -byte buffer RAM, 3 channels

8-stage FIFO, 1 channel (supports special mode master/slave)

— I2C bus interface 64-byte buffer RAM , 2 channels

(supports master/slave and automatic transfer mode)

— Timers 8-bit timer/counter, 2 channels (with timing output)

16-bit timer, 3 channels

— Real-time pulse generator 5-bit output, 1 channel (2-stage FIFO)

— Clock prescaler

— Remote control receive circuit 8-bit pulse measurement counter, 8-stage FIFO

? Interruption 30 factors, 30 vectors, multi-interruption and priority selection possible

? Standby mode Sleep/stop

? Package 100-pin Ceramic PQFP

? Mask ROM CXP921064A

? FLASH EEPROM incorporated type CXP921F064A