ABOV HMS87C1904
The HMS87C1904 is an advanced CMOS 8-bit microcontroller with 4K/2K bytes of EPROM. The ABOV HMS87C1904 is a powerful microcontroller which provide a highly flexible and cost effective solution to many small applications. The HMS87C1904 provides the following standard features: 4K/2K bytes of EPROM, 128bytes of RAM, 8-bit timer/counter, 8bit A/D converter, 10-bit high speed PWM output, Power on reset circuit, on-chip oscillator and clock circuitry.| Part No. | HMS87C1904 |
|---|---|
| Datasheet | HMS87C1904 Download |
| Manufacturer |  ABOV |
| Description | 8-BIT SINGLE-CHIP MICROCONTROLLERS |
| Buy | Stock & Price |
DESCRIPTION
In addition, the HMS87C1904 supports power saving modes to reduce power consumption. This document is only explained for the base of HMS87C1904. Device name HMS87C1904 HMS87C1902 EPROM 4K bytes 2K bytes RAM EXT.INT I/O 128bytes 2 5 I/O + 1 Input 128bytes 2 5 I/O + 1 Input Operating Voltage 2.5 ~ 5.5V 2.5 ~ 5.5V Package 8 PDIP or SOP 8 PDIP or SOP 1.2FEATURES
● 4K/2K Bytes On-chip Program Memory● 128 Bytes of On-chip Data RAM (Included stack memory)
● Instruction Cycle Time: - 250nS at 8MHz
● Programmable I/O pins (LED direct driving can be source and sink) - Input/Output : 5 - Input only : 1
● 8-bit A/D Converter - 4 channels
● One 8-bit Basic Interval Timer
● Two 8-bit Timer / Counters
● One 10-bit High Speed PWM Outputs
● Watchdog timer
● Eight Interrupt sources - Keyscan - External INT0 - A/D Conversion - Timer: 4 - PFD
● Noise Immunity Circuit - Power Fail Processor ( 3.2V or 2.4V )
● Power Down Mode - STOP mode (excluding HF mode) - SLEEP mode
● Operating Frequency -...
