•Controller:
-8 bit configuration
-18 MHz internal clock
-0.33 us instruction cycle
-eight 16-bit data pointer registers (DPTR)
-two 16-bit timers
-watchdog timer
-serial interface (UART)
-256 bytes on-chip RAM
-1 Kbyte on-chip extended RAM (access via MOVX)
-8 Kbyte on-chip ACQ-buffer-RAM (access via MOVX)
-6 channel 8-bit pulse width modulation unit
-2 channel 14-bit pulse width modulation unit
-4 multiplexed ADC inputs with 8-bit resolution
-one 8-bit I/O port with open drain output and optional I2C emulation
-two 8-bit multifunctional I/O ports
-one 4-bit port working as digital or analog inputs
-one 2-bit I/O port with optional address latch enable function
•P-SDIP 52 package
•5 V supply voltage
(3)Block Diagram
