National Semiconductor · Other MCUs
PC87591S-VPCI00
RISC MPU, 16-BIT, 20MHZ PQFP176
A multi-brand MCU and embedded-component workspace. Compare recorded cores, memory, interfaces and packages while retaining firmware, board and manufacturer constraints.
Request this exact part →PC87591S-VPCI00 specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | National Semiconductor |
|---|---|
| Ordering code | PC87591S-VPCI00 |
| Family | Other MCUs |
| Package | 176-LQFP |
| Product Status | Active |
| DigiKey Programmable | Not Verified |
| Core Processor | CR16B |
| Core Size | 16-Bit |
| Speed | 20MHz |
| Connectivity | ACCESS.Bus (2-Wire/I²C, SMBus), UART/USART |
| Peripherals | DMA, PWM, Temp Sensor, TRNG, WDT |
| Number of I/O | 62 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | Not provided in source |
| RAM Size | 4K x 8 |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 3.6V |
| Data Converters | A/D 14x10b; D/A 4x8b |
| Oscillator Type | External, Internal |
| Operating Temperature | Not provided in source |
| Mounting Type | Surface Mount |
| Package / Case | 176-LQFP |
| Supplier Device Package | 176-LQFP (24x24) |
Documents and evidence
PC87591S-VPCI00 ↗Before sourcing PC87591S-VPCI00
- Start from engineering requirements
- Record toolchain and firmware dependencies
- Verify package, pinout and peripherals
- Approve alternatives before procurement
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