DescriptionThe VG509A is a kind of EPROM-Based 8-bit microcontroller which uses a fully static CMOS technology process to achieve higher speed and smaller size with the low power consumption and high noise immunity. On chip memory includes 1K words of ROM, and 41 bytes of static RAM. The features...
VG509A: DescriptionThe VG509A is a kind of EPROM-Based 8-bit microcontroller which uses a fully static CMOS technology process to achieve higher speed and smaller size with the low power consumption and hig...
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The VG509A is a kind of EPROM-Based 8-bit microcontroller which uses a fully static CMOS technology process to achieve higher speed and smaller size with the low power consumption and high noise immunity. On chip memory includes 1K words of ROM, and 41 bytes of static RAM.
The features of VG509A can be summarized as (1)fully COMS static design; (2)8-bit data bus; (3)on chip EPROM size : 1 K words; (4)internal RAM size : 47 bytes (41 general purpose registers, 6 special registers); (5)36 single word instructions; (6)14-bit instructions; (7)2-level stacks; (8)operating voltage : 2.5 V ~ 6.0 V; (9)operating frequency : 0 ~ 20 MHz; (10)The most fast execution time is 200 ns under 20 MHz in all single cycle instructions except the branch instruction; (11)addressing modes include direct, indirect and relative addressing modes power-on reset RC-Low cost RC oscillator LFXT-Low frequency crystal oscillator XTAL-Standard crystal oscillator HFXT-High frequency crystal oscillator; (12)3 oscillator start-up time can be selected by programming option; (13)8-bit real time clock/counter(RTCC) with 8-bit programmable prescaler; (14)on-chip RC oscillator based watchdog timer(WDT); (15)wake-up from sleep on pin change .
The application areas of this VG509A range from appliance motor control and high speed automotive to low power remote transmitters/receivers, small instruments, chargers, toy, automobile and PC pe-ripheral etc.