South African Micro Electronic Systems
SINGLE CHIP TELEPHONE INTERFACE FOR KEYBOARD ENTRY VIA uC
South African Micro Electronic Systems
SINGLE CHIP TELEPHONE POWER EXTRACTION FOR EXTERNAL LOADS
South African Micro Electronic Systems
SA2531/2 Single Chip Telephone: Using dynamic microphone as tone ringer
South African Micro Electronic Systems
SA2531/2 Single Chip Telephone: Using dynamic microphone as tone ringer
Fujitsu
2-ch DC/DC Converter IC with Overcurrent Protection