LC876694B Overview
ENN 6843 CMOS IC LC876694B/78B/62B 8-Bit Single-Chip Microcontroller Preliminary Overview The LC876694B/LC876678B/LC876662B are 8 bit single chip microcontrollers with the following on-chip functional blocks : operable at a minimum bus cycle time of 100ns - On-chip ROM Maximum Capacity : LC876694B 96K bytes LC876678B 80K bytes LC876662B 64K bytes - On-chip RAM:.
LC876694B Key Features
- Input/output ports Data direction programmable for each bit individually : 20 (P1n, P70 to P73, P8n)
- 15V withstand input/output ports Data direction programmable in nibble units : 8 (P0n) (When N-channel open drain output
- Input ports : 2 (XT1,XT2)
- Oscillator pins : 2 (CF1,CF2)
- Reset pin : 1 (RES#)
- Power supply : 6 (VSS1 to 2, VDD1 to4)
- VFD power supply : 1 (VP) (6) VFD automatic display controller
- Programmable segment/digit output pattern Output can be switched between digit/segment waveform output (pins 9 to 24 can
- 16-step dimmer function available (7) Weak signal detection (MIC signals etc)
- Counts pulses with width greater than a preset value