BL1102A Overview
BL1102 Series is a single chip dialer IC using Si-gate CMOS process, it can provide signal for either Pulse or double Tone with multi-frequency dialing.
BL1102A Key Features
- Operating voltage : 2.0 ~ 5.5V
- Double Tone/Pulse selection with switch, pulse can be switched to double tone by pressing -/T key
- 3.579545MHz crystal or ceramic resonator is used
- Power on reset on chip
- Minimum tone output duration : 100 ms
- 2 arrays of 32-digit number memory used for re-dialing and memory dialing respectively
- 3 arrays of 16-digit number single key dialing memory
- 10 arrays of 32-digit number double key dialing memory
- pulse break/make ratio can be 3/2 or 2/1, both alternative, and pulse speed is 10PPS
- Flash Time: 98ms, 305ms, 6000ms