This document is the technical manual of the Philips Semiconductors PCA84C122; 222; 422; 622; 822 8-bit microcontrollers, which provides detailed information on the product's features and characteristics, including memory, I/O, interface, interrupt, output driver, watchdog timer, etc.
This document is a product specification datasheet for the Philips PCA84C122 family of 8-bit microcontrollers, specifically designed for use in remote control transmitters. The devices are based on the PCF84CXXX core and include dedicated hardware blocks such as a hardware modulator for generating pulse bursts, an output driver for infrared LEDs, and a watchdog timer to prevent system lock-ups. The datasheet covers various memory and I/O configurations (models 122, 222, 422, 622, and 822) available in SO and DIP packages.
| Supply Voltage | 2.0 V to 5.5 V |
|---|---|
| Operating Temperature | -20 to +50 °C |
| Oscillator Frequency | 455 kHz to 6 MHz |
| Output Sink Current | 27 mA |
| Interrupt Sources | 3 single-level vectored |
| Timer/Counter | 8-bit programmable |
The family includes the PCA84C122, PCA84C222, PCA84C422, PCA84C622, and PCA84C822.
They are designed for use in remote control transmitters.
The devices are available in SO (SO20, SO24, SO28) and DIP (DIP20, SDIP24) types.