ZEN2011P
Description
ZEN2011P is a 24 bit pr ogr a m m a ble u n iver sa l cou n t er LSI.
Key Features
- 24bit bin a r y u p/down cou n t er
- Cou n t er r espon se speed: 8MH z.(MAX) ( CLK f0 = 8MH z a t 50% du t y) In pu t fr equ en cy of cou n t pu lse
- Two ph a se-sh ift ed pu lses sign a l in pu t : A/B ph a se in pu t DC ~ 2MH z
- (less t h a n f0 ~ 1/4) U p/down pu lse sign a l in pu t : U p/down in pu t DC ~ 4MH z (less t h a n f0 ~ 1/2) CLK fr equ en cy DC ~ 8MH z
- (MAX.: du t y r a t io 50%) Dir ect ion r ecogn it ion for u p/down cou n t Abn or m a l in pu t det ect ion cir cu it
- P r eloa d r egist er for t h e u p/down cou n t er
- La t ch r egist er for t h e u p/down cou n t er
- Refer en ce va lu e - cou n t va lu e coin ciden ce det ect ion fu n ct ion
- On -ch ip st a t u s r egist er
- Cou n t er oper a t ion m ode
