CMOS SINGLE CHIP LOW VOLTAGE 8-BIT MICROCONTROLLER The IS80C32-40PQ is a microcontroller manufactured by ISSI (Integrated Silicon Solution, Inc.). Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** ISSI (Integrated Silicon Solution, Inc.)
- **Part Number:** IS80C32-40PQ
- **Architecture:** 8-bit
- **Core:** 8051-compatible
- **Clock Speed:** Up to 40 MHz
- **Operating Voltage:** 4.5V to 5.5V
- **Package Type:** PQ (Plastic Quad Flat Package)
- **Pin Count:** 44
- **Program Memory (ROM):** None (external memory required)
- **RAM:** 256 bytes
- **Timers:** Three 16-bit timers/counters
- **Serial Port:** Full-duplex UART
- **I/O Ports:** Four 8-bit ports (32 I/O lines)
- **Interrupt Sources:** Six interrupt sources with two priority levels
- **Power Consumption:** Low-power CMOS technology
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)
### **Descriptions:**
- The IS80C32-40PQ is a high-performance CMOS version of the 80C32 microcontroller.
- It is fully compatible with the Intel 8051 instruction set.
- Requires external program memory (ROM) since it lacks on-chip flash/ROM.
- Suitable for embedded control applications requiring high-speed operation and low power consumption.
### **Features:**
- **8051-Compatible Core:** Supports standard 8051 instructions.
- **High-Speed Operation:** Up to 40 MHz clock frequency.
- **Low Power Consumption:** CMOS technology reduces power usage.
- **External Memory Support:** Can interface with external ROM/RAM.
- **Enhanced Timers:** Three 16-bit timers for precise timing control.
- **Serial Communication:** Built-in UART for serial data transfer.
- **Multiple Interrupts:** Six interrupt sources with configurable priorities.
- **Wide Voltage Range:** Operates from 4.5V to 5.5V.
This information is strictly based on the manufacturer's datasheet and technical documentation.
