| term | explanation |
|---|---|
| harb | ? arbiter ? (bus priority management) |
| emc | ? some system supervisor which can enable or disable other devices |
| dmac | dma controller |
| uhc | usb host controller |
| udc | usb device controller |
| lcd | liquid crystal display |
| cim | camera image m? : cam interface |
| eth | ethernet interface |
| nbm | |
| cpm | |
| intc | interrupt controller |
| ost | operating system timer. Source of timer interrupts. |
| rtc | real time clock. Keeps date. |
| wdt | watchdog timer |
| gpio | GeneralPurpose? I/O |
| aic | |
| msc | sdcard reader |
| uart | universal asynchronous receiver/transmitter (serial port) |
| sir | Slow InfRared? |
| fir | Fast InfRared? |
| scc | smart card "controller" |
| i2c | inter integrated circuit (mcu and clock serial bus ) |
| ssi | (audio serial bus) |
| pwm | pulse width modulator |
| des | encryption standard? |
| uprt | |
| kbc | keyboard controller |