HT48RA3芯片破解

0 次 时间：2009-08-28 / 03:23:38 来源：夏生

HT48RA3特性：

·Operating voltage: 2.2V~3.6V
·23 bidirectional I/O lines (max.)
·1 interrupt input shared with an I/O line
·8-bit programmable timer/event counter with overflowinterrupt and 8-stage prescaler (TMR0)
·16-bit programmable timer/event counter andoverflow interrupts (TMR1)
·On-chip crystal and RC oscillator
·Watchdog Timer
·24K16 program memory EPROM(8K16 bits3 banks)
·2248 data memory RAM
·PFD supported
·HALT function and wake-up feature reduce powerconsumption
·8-level subroutine nesting
·Up to 1s instruction cycle with 4MHz system clock atVDD=3V
·Bit manipulation instruction
·16-bit table read instruction
·63 powerful instructions
·All instructions in one or two machine cycles
·28-pin SKDIP/SOP package