參數資料
型號: DSP56F803E
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: 16-bit Digital Signal Controllers
中文描述: 16位數字信號控制器
文件頁數: 41/52頁
文件大小: 414K
代理商: DSP56F803E
Quadrature Decoder Timing
56F803 Technical Data, Rev. 15
Freescale Semiconductor
41
Figure 3-22 Timer Timing
3.10 Quadrature Decoder Timing
Timer output high/low period
P
OUTHL
1T
ns
1.
In the formulas listed, T = clock cycle. For 80MHz operation, T = 12.5ns.
2.
Parameters listed are guaranteed by design.
Table 3-14 Quadrature Decoder Timing
1,2
Operating Conditions:
V
SS
= V
SSA
= 0 V, V
DD
= V
DDA
= 3.0–3.6V, T
A
= –40
°
to +85
°
C, C
L
50pF, f
OP
= 80MHz
1.
T
A
= –40
°
to +85
°
C, C
L
50pF.
2.
Parameters listed are guaranteed by design.
In the formulas listed, T = clock cycle. For 80MHz operation, T = 12. ns. V
SS
= 0 V, V
DD
= 3.0 – 3.6V,
Characteristic
Symbol
Min
Max
Unit
Quadrature input period
P
IN
8T+12
ns
Quadrature input high/low period
P
HL
4T+6
ns
Quadrature phase period
P
PH
2T+3
ns
Table 3-13 Timer Timing
1, 2
Operating Conditions:
V
SS
= V
SSA
= 0 V, V
DD
= V
DDA
= 3.0–3.6V, T
A
= –40
°
to +85
°
C, C
L
50pF, f
OP
= 80MHz
Timer Inputs
Timer Outputs
P
IN
P
INHL
P
INHL
P
OUT
P
OUTHL
P
OUTHL
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