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PDF ( 数据手册 , 数据表 ) ZEN2041F

零件编号 ZEN2041F
描述 Programmable Universal Counter
制造商 Zenic
LOGO Zenic LOGO 


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ZEN2041F 数据手册, 描述, 功能
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ZEN2041F
P ROGRAMMABLE UNIVE RSAL COUNTE R
Description
ZENIC ZEN2041F is a pr ogr a m m a ble u n iver sa l cou n t er LSI.
TH E ZEN2041F cou n t s ph a se-sh ift ed sign a ls a n d u p/down pu lse sign a ls, gen er a t ed fr om r ot a r y en coder s or
lin ea r sca les.
Sin ce t h e cou n t er r espon se speed is a s h igh a s 20MH z(MAX),t h e ZEN2041F is u sed in a va r iet y of h igh speed
ser vices in clu din g digit a l ser vo con t r ol a n d pr ecision m ea su r em en t .
TH E ZEN2041F is pr ovided wit h a fu n ct ion wh ich m on it or s t h e in pu t sign a ls a n d det ect s a n y a bn or m a l in pu t
a ccom pa n ied wit h n oise or ot h er dist u r ba n ces, so t h a t t h e r elia bilit y of cou n t ed va lu es a r e secu r ed.
1. Features
Select a ble cou n t r esolu t ion a n d ch a n n els.
16bit Λ4ch . or 32bit Λ2ch . or
16bit Λ2ch . + 32bit Λ1ch .
Cou n t r espon se speed:
20Mcps.(MAX.) ( CLK f0 = 20MH z a t 50% du t y)
In pu t fr equ en cy of cou n t pu lse.
P h a se-sh ift ed sign a l in pu t :
A/B ph a se in pu t DC~ 5MH z.
(less t h a n f0 Λ1/4)
U p/down pu lse sign a l in pu t :
U p/down in pu t DC~ 10MH z
(less t h a n f0 Λ1/2)
CLK fr equ en cy DC~ 20MH z.
(MAX.:du t y r a t io 50%)
Dir ect ion r ecogn it ion for u p/down cou n t in g
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.
E dge eva lu a t ion select ion : 1/2/4 .
(on ly for ph a se-sh ift ed sign a l in pu t )
Cou n t dir ect ion select ion .
Cou n t er clea r con t r ol:syn ch r on ou s/
a syn ch r on ou s clea r .
Select a ble 16/8 bit da t a bu s.
Low power CMOS t ech n ology.
TTL com pa t ible.
Sin gle 5V power su pply.
100 pin QFP.
Typical Applications
F or Mu lt i ch a n n el
NC m a ch in e t ools
P r ecision posit ion er s
Robot a r m con t r oller s
Speed con t r oller s for r ot a t in g m a ch in es
E lect r on ic ga u ges
F r equ en cy cou n t er s
Pin configuration
(Top View)
LT1
LD1
DI R1
MD1
EP1 / O1 2
VDD
P10
P11
C1
S0
LT0
LD0
DI R0
MD0
C0
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
5 0 MD2
4 9 DI R2
48
47
4 6 D1 5
4 5 D1 4
4 4 D1 3
4 3 D1 2
4 2 D1 1
4 1 VSS
4 0 VDD
3 9 D1 0
3 8 D9
3 7 D8
3 6 AD5
3 5 AD4
3 4 AD3
3 3 AD2
3 2 AD1
3 1 AD0
(Z2041B98)ZENIC Inc.
-1-







ZEN2041F pdf, 数据表
www.DataSheet4U.com
Bit Sym bol
D5 OCn0
D4 ZMDn
D3 ZE n 1
D2 ZE n 0
D1 Xn 1
D0 Xn 0
Descr ipt ion
Ou t pu t con t r ol 0
0 : E n 0/On 0 = u n iver sa l ou t pu t
1 : = coin ciden ce ou t pu t
Clea r m ode
0 : a syn ch r on ou s clea r
1 : syn ch r on ou s clea r for ph ese-sh ift ed pu lse in pu t
Clea r cou n t
ZE n1 ZE n 0
0 0 n o oper a t ion
0 1 Disa ble clea r
1 0 on ly 1 t im e
1 1 every times
E dge eva lu a t ion for ph a se-sh ift ed pu lse in pu t
Xn 1 Xn 0 E dge eva lu a t ion
0 0 Single
0 1 Dou ble
1 1 Quad
ZEN2041F
6) Com m a n d r egist er : Su bscr ipt n is 0 t o 3.
Ta ble.6
Bit Sym bol Descr ipt ion
D15 RLDn Reset in t er r u pt by LDn
0 : n o oper a t ion
1 : Reset
D14 RLTn Reset in t er r u pt by LTn
0 : n o oper a t ion
1 : Reset
D13 RAIn Reset in t er r u pt by a bn or m a l in pu t
0 : n o oper a t ion
1 : Reset
D12 RCn
Reset interrupt by Cn
0 : n o oper a t ion
1 : Reset
D11 RE n 1 Reset in t er r u pt by coin ciden ce det ect ion
0 : n o oper a t ion
(D11 of m ode r egist er )
1 : Reset
D10 RE n 0 Reset in t er r u pt by coin ciden ce det ect ion
0 : n o oper a t ion
(D10 of m ode r egist er )
1 : Reset
D9 LDn
Da t a loa d
Wh en LDn =1, t h e va lu e of loa d r egist er is st or ed in t o t h e u p/down cou n t er .
D8 LTn
Da t a la t ch
Wh en LTn =1, t h e va lu e of u p/down cou n t er is st or ed in t o t h e la t ch r egist er .
D7 OTn 2 Con t r ol u n iver sa l ou t pu t 2 : wh en OCn 2(D7)=0 (com m a n d r egist er )
0 : On 2="L"
1 : ="H "
D6 OTn 1 Con t r ol u n iver sa l ou t pu t 1 : wh en OCn 1(D6)=0 (com m a n d r egist er )
0 : On 1="L"
1 : ="H "
(Z2041B98)ZENIC Inc.
-8-







ZEN2041F equivalent, schematic
www.DataSheet4U.com
ZEN2041F
5) AC ch a r a ct er ist ics-2 ( n =0~ 3, a t t h e r ecom m en ded oper a t in g con dit ion s )
NO. Sym bol
Ra t in g
1 ΦCY CLK Cycle t im e
2 ΦH CLK P u lse widt h ("H igh ")
3 ΦL CLK P u lse widt h ("Low")
4 TWAS Set t in g u p t im e of a ddr ess for WR Π
5 TWAH H oldin g t im e of a ddr ess for WR
6 TWRL WR pu lse widt h ("Low")
7 TWRH Recover in g t im e a ft er r isin g u p WR(n ot e.3)
8 TDS Set t in g u p t im e of in pu t da t a for WR
9 TDH H oldin g t im e of in pu t da t a for WR
10 TRAS Set t in g u p t im e of a ddr ess for RD Π
11 TRAH H oldin g t im e of a ddr ess for RD
12 TRDL RD pu lse widt h ("Low")
13 TRDH Recover in g t im e a ft er r isin g u p RD(n ot e.3)
14 TZV Deley t im e fr om RD Πt o fixed da t a
15 TDZ Deley t im e fr om RDt o floa t ou t pu t
16 T10 Set t in g u p t im e of P n 0 for P n 1
17 T01 Set t in g u p t im e of P n 1 for P n 0
18 TS10 Set t in g u p t im e of P n 0 for P n 1
19 TH10 H oldin g t im e of P n 0 for P n 1
20 TS01 Set t in g u p t im e of P n 1 for P n 0
21 TH01 H oldin g t im e of P n 1 for P n 0
22 TPW P u lse widt h of in pu t (P n 0,P n 1)
23 TCW P u lse widt h of Cn
24 TLW P u lse widt h of LDn ,LTn
25 TRL P u lse widt h of RE SE T
26 TRH Recover in g t im e a ft er r isin g u p RE SE T
27 TI Dela y t im e fr om CLKt o IN T ou t pu t
28 TE Dela y t im e fr om CLKt o coin ciden ce ou t pu t
n ot e.3) In h ibit t im e t o r ea d or wr it e.
Min .
50
25
25
5
5
100
5 ΦCY
40
0
5
5
100
4 ΦCY
ΦCY+ 25
ΦCY+ 25
ΦCY+ 25
ΦCY+ 25
ΦCY+ 25
ΦCY+ 25
ΦCY+ 25
ΦCY+ 25
ΦCY+ 25
5 ΦCY
5 ΦCY
Max. Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
70 ns
70 ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
65 ns
40 ns
Mea su r in g con dit ion for AC ch a r a ct er ist ics-2
Ra t in g
Sym bol St a n da r d va lu e U n it
Input driving level
VIH 2.4 (3.0)
V
VIL 0.45(0.4)
V
Test poin t of t im in g
VOH 2.0
V
(in pu t ,ou t pu t )
VOL 0.8
V
Loa din g ca pa cit y
CL 50
pF
Loa din g cu r r en t
IOH -4
mA
IOL 4
mA
Th e va lu e in pa r en t h eses is for CLK in pu t .
Oper a t ion cu r r en t
Ra t in g
Oper a t ion
cu r r en t
Sym bol Mea su r in g con dit ion
IDDO Ou t pu t is open
CLK = 20MHz
Max U n it
90 mA
- 16 -
(Z2041B98)ZENIC Inc.










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