Ramtron VMX51C900
The VMX51C900 is an 8-bit microcontroller with 8KB of Flash memory, 256 bytes of RAM and based on the architecture of the standard 80C51 microcontroller. The VMX51C900 includes extra features such as a 4 Channel 8-bit A/D Converter, 2 PWM outputs and 14 segment x 4 common LCD driver. The VMX51C900 hardware features make it a versatile and cost-effective controller for a wide range of embedded applications.| Part No. | VMX51C900 |
|---|---|
| Datasheet | VMX51C900 Download |
| Manufacturer |  Ramtron |
| Description | Versa Mix 8051 MCU |
| Buy | Stock & Price |
FEATURES
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● 80C51/80C52 pin compatible 8KB on-chip Flash memory 256 Bytes on-chip data RAM 4 8-bit I/O ports and 1 4-bit I/O port 4-Channel, 8-bit A/D Converter LCD Driver: 14-Segment x 4-Common 2-PWM Outputs UART serial port 3 16-bit Timers/Counters Watchdog Timer BCD arithmetic + 8-bit Unsigned Multiply and Division 2 levels of Interrupt Priority and nested Interrupts Power saving modes Low EMI (ALE disable) Code protection function Operates at a clock frequency of up to 25MHz Industrial Temperature range (-40°C to +85°C) 5V version available FIGURE 2: VMX51C900 PLCC-44 AND QFP-44 PIN OUT DIAGRAMS P0.0/AD0/LCDSEG13 P0.2/AD2/LCDSEG11 P0.3/AD3/LCDSEG10 40 39 8051 PROCESSOR ADDRESS/ DATA BUS PWMB/P1.5 7 P1.4 6 P0.1/AD1/LCDSEG12 VDD 1 P0.4/AD4/LCDSEG9 P0.5/AD5/LCDSEG8 P0.6/AD6/LCDSEG7 P0.7/AD7/LCDSEG6 8KB FLASH 256 Bytes of RAM UART Serial port 2 INTERRUPT INPUTS TIMER 0 TIMER 1 TIMER 2 RESET POWER CONTROL P1.6 PORT 0 8 P1.7 RES RXD/P3.0 P4.3 PORT 1 8 TXD...
