  | P80C31 |  | ROMless microcontroller with 128B RAM |
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| | P80C31X2 | | ROMless microcontroller with 128B RAM |
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| | P80C32 | | ROMless microcontroller with 256B RAM |
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| | P80C32X2 | | ROMless microcontroller with 256B RAM |
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| | P80C51 | | Microcontroller with 4KB ROM, 128B RAM |
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| | P80C51FA | | ROMless microcontroller with 256B RAM |
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| | P80C51RA+ | | ROMless microcontroller with 512B RAM |
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| | P80C51X2 |  | Microcontroller with 4KB ROM |
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| | P80C52 | | Microcontroller with 8KB ROM, 256B RAM |
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| | P80C52X2 | | Microcontroller with 8KB ROM |
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| | P80C54 | | Microcontroller with 16KB ROM, 256B RAM |
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| | P80C54X2 | | Microcontroller with 16KB ROM |
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| | P80C58 | | Microcontroller with 32KB ROM, 256B RAM |
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| | P80C58X2 | | Microcontroller with 32KB ROM |
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| | P80C528 | | ROMless microcontroller with 512B RAM |
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 | P80C552 | | ROMless microcontroller with 256B RAM |
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| | P80C554 | | ROMless microcontroller with 512B RAM |
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| | P80C557E4 | | ROMless microcontroller with 1KB RAM |
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| | P80C557E8 | | ROMless microcontroller with 2KB RAM |
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| | P83C524 | | Microcontroller with 16KB ROM, 512B RAM |
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| | P83C528 | | Microcontroller with 32KB ROM, 512B RAM |
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| | P80C592 | | Microcontroller with CAN controller |
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| | P80CE598 |  | Microcontroller with CAN controller |
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| | P83C51FA | | Microcontroller with 8K ROM with 256B RAM |
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| | P83C51FB | | Microcontroller with 16K ROM with 256B RAM |
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| | P83C51FC | | Microcontroller with 32K ROM with 256B RAM |
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| | P83C51RA+ | | Microcontroller with 8K ROM with 512B RAM |
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| | P83C51RB+ | | Microcontroller with 16K ROM with 512B RAM |
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| | P83C51RC+ | | Microcontroller with 32K ROM with 512B RAM |
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| | P83C51RD+ | | Microcontroller with 64K ROM with 512B RAM |
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| | P83C552 | | Microcontroller with 8KB ROM, 256B RAM |
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| | P83C557E4 | | Microcontroller with 32KB ROM, 1KB RAM |
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| | P83C557E8 | | Microcontroller with 64KB ROM, 2KB RAM |
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 | P83C654X2 | | Microcontroller with 16KB ROM, 256B RAM |
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| | P83C660X2 | | Microcontroller with 16KB ROM, 512B RAM |
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| | P83C661X2 | | Microcontroller with 16KB ROM, 512B RAM |
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| | P87C51 | | Microcontroller with 4KB OTP, 128B RAM |
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| | P87C51FA | | Microcontroller with 8K OTP, 256B RAM |
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| | P87C51FB | | Microcontroller with 16K OTP, 256B RAM |
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| | P87C51FC | | Microcontroller with 32K OTP, 256B RAM |
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| | P87C51MB2 | | Microcontroller with 51MX memory extension, 64KB OTP, 2KB RAM |
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| | P87C51MC2 | | Microcontroller with 51MX memory extension, 96KB OTP, 3KB RAM |
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| | P87C51RA+ | | Microcontroller with 8K OTP, 512B RAM |
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| | P87C51RB+ | | Microcontroller with 16K OTP, 512B RAM |
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| | P87C51RC+ | | Microcontroller with 32K OTP, 512B RAM |
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| | P87C51RD+ | | Microcontroller with 64K OTP, 512B RAM |
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| | P87C51RA2 | | Microcontroller with 8KB OTP, 512B RAM, low voltage, low power, high speed |
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| | P87C51RB2 | | Microcontroller with 16KB OTP, 512B RAM, low voltage, low power, high speed |
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| | P87C51RC2 | | Microcontroller with 32KB OTP, 512B RAM, low voltage, low power, high speed |
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| | P87C51RD2 | | Microcontroller with 64KB OTP, 1KB RAM, low voltage, low power, high speed |
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| | P87C51X2 | | Microcontroller with 4KB OTP |
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| | P87C52 | | Microcontroller with 8KB OTP 256B RAM |
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| | P87C52X2 | | Microcontroller with 8KB OTP |
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| | P87C54 | | Microcontroller with 16KB OTP, 256B RAM |
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| | P87C54X2 | | Microcontroller with 16KB OTP |
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| | P87C58 | | Microcontroller with 32KB OTP, 256B RAM |
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| | P87C58X2 | | Microcontroller with 32KB OTP |
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| | P87C552 | | Microcontroller with 8KB OTP, 256B RAM |
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| | P87C554 | | Microcontroller with 16K OTP, 512B RAM |
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| | P87C557E8 | | Microcontroller with 64KB OTP, 2KB RAM |
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| | P87C591 | | Microcontroller with CAN controller |
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| | P87C654X2 | | Microcontroller with 16KB OTP, 256B RAM |
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| | P87C660X2 | | Microcontroller with 16KB OTP, 512B RAM |
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| | P87C661X2 | | Microcontroller with 16KB OTP, 512B RAM |
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| | P89C51RA2 | | Microcontroller with 8KB ISP/IAP flash, 512B RAM |
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| | P89C51RB2 |  | Microcontroller with 16KB ISP/IAP flash, 512B RAM |
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| | P89C51RC+ | | Microcontroller with 32KB ISP flash; 512B RAM |
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| | P89C51RC2 | | Microcontroller with 32KB ISP/IAP flash, 512B RAM |
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| | P89C51RD+ | | Microcontroller with 64KB ISP flash; 1KB RAM |
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| | P89C51RD2 | | Microcontroller with 64KB ISP/IAP flash, 1KB RAM |
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| | P89C51X2 | | Microcontroller with 4KB flash, 128B RAM |
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| | P89C52X2 | | Microcontroller with 8KB flash, 256B RAM |
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| | P89C54X2 | | Microcontroller with 16KB flash, 256B RAM |
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| | P89C58X2 | | Microcontroller with 32KB flash, 256B RAM |
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| | P89C60X2 | | Microcontroller with 64KB flash, 512B RAM |
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| | P89C61X2 | | Microcontroller with 64KB flash, 1024B RAM |
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| | P89C557E4 | | Microcontroller with 32KB flash, 1KB RAM |
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| | P89C660 | | See P89V660 |
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| | P89C662 | | See P89V662 |
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| | P89C664 | | See P89V664 |
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| | P89C668 | | Microcontroller with 64KB ISP/IAP flash, 8KB RAM |
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| | P89C669 | | Microcontroller with 96KB flash, extended memory, 2KB RAM |
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| | P89CV51RB2 | | Microcontroller with 16KB flash, 1KB RAM, SPI, 6-clock CPU, and 6/12-clock peripherals |
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| | P89CV51RC2 | | Microcontroller with 32KB flash, 1KB RAM, SPI, 6-clock CPU, and 6/12-clock peripherals |
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| | P89CV51RD2 | | Microcontroller with 64KB flash, 1KB RAM, SPI, 6-clock CPU, and 6/12-clock peripherals |
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| | P89LV51RB2 | | 3V low power microcontroller with 16KB flash, 1KB RAM |
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| | P89LV51RC2 | | 3V low power microcontroller with 32KB flash, 1KB RAM |
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| | P89LV51RD2 | | 3V low power microcontroller with 64KB flash, 1KB RAM |
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| | P89V51RB2 | | 5V low power microcontroller with 16KB flash, 1KB RAM |
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| | P89V51RC2 | | 5V low power microcontroller with 32KB flash, 1KB RAM |
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| | P89V51RD2 | | 5V low power microcontroller with 64KB flash, 1KB RAM |
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| | P89V52X2 | | Low power microcontroller with 8kB flash, 256B RAM, 192B data EEPROM |
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| | P89V660 | | 5V low power microcontroller with 16KB flash, 512B RAM, I2C, SPI |
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| | P89V662 | | 5V low power microcontroller with 32KB flash, 1KB RAM, I2C, SPI |
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| | P89V664 | | 5V low power microcontroller with 64KB flash, 2KB RAM, I2C, SPI |
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