LIANYIXIN · INDEPENDENT COMPONENT STORE
English / USD quote

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 component illustration
Component illustration · verify actual package in documentation.

PC87591S-VPCI00 specifications

Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.

ManufacturerNational Semiconductor
Ordering codePC87591S-VPCI00
FamilyOther MCUs
Package176-LQFP
Product StatusActive
DigiKey ProgrammableNot Verified
Core ProcessorCR16B
Core Size16-Bit
Speed20MHz
ConnectivityACCESS.Bus (2-Wire/I²C, SMBus), UART/USART
PeripheralsDMA, PWM, Temp Sensor, TRNG, WDT
Number of I/O62
Program Memory Size128KB (128K x 8)
Program Memory TypeFLASH
EEPROM SizeNot provided in source
RAM Size4K x 8
Voltage - Supply (Vcc/Vdd)3V ~ 3.6V
Data ConvertersA/D 14x10b; D/A 4x8b
Oscillator TypeExternal, Internal
Operating TemperatureNot provided in source
Mounting TypeSurface Mount
Package / Case176-LQFP
Supplier Device Package176-LQFP (24x24)

Documents and evidence

PC87591S-VPCI00 ↗

Before sourcing PC87591S-VPCI00

  1. Start from engineering requirements
  2. Record toolchain and firmware dependencies
  3. Verify package, pinout and peripherals
  4. Approve alternatives before procurement
Embedded Design Matcher →

Questions about PC87591S-VPCI00

How do I request a current price?

Provide this full code, quantity, destination and arrival date. Budget estimates are conditional; final availability and price are confirmed by quotation.

Can a related record replace this device?

Related records aid discovery. Package, pinout, ratings, tooling and software require engineering approval before substitution.

Continue your Other MCUs review

Filter this family → · Selection resources · Upload your BOM