參數(shù)資料
型號: DSP56857E
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: 16-bit Digital Signal Controllers
中文描述: 16位數(shù)字信號控制器
文件頁數(shù): 37/53頁
文件大?。?/td> 680K
代理商: DSP56857E
Quad Timer Timing
56857 Technical Data, Rev. 6
Freescale Semiconductor
37
4.9 Quad Timer Timing
Figure 4-25 Timer Timing
4.10 Enhanced Synchronous Serial Interface (ESSI) Timing
Table 4-10 Quad Timer Timing
1, 2
Operating Conditions: V
SS
= V
SSIO
= V
SSA
= 0 V, V
DD
= 1.62-1.98V, V
DDIO
= V
DDA
=
3.0–3.6V, T
A
= –40
°
to +120
°
C, C
L
50pF, f
op
= 120MHz
1.
In the formulas listed, T = clock cycle. For f
op
= 120MHz operation and fipb = 60MHz, T = 8.33ns.
Parameters listed are guaranteed by design.
2.
Characteristic
Symbol
Min
Max
Unit
Timer input period
P
IN
2T + 3
ns
Timer input high/low period
P
INHL
1T + 3
ns
Timer output period
P
OUT
2T - 3
ns
Timer output high/low period
P
OUTHL
1T - 3
ns
Table 4-11 ESSI Master Mode
1
Switching Characteristics
Operating Conditions: V
SS
= V
SSIO
= V
SSA
= 0 V, V
DD
= 1.62-1.98V, V
DDIO
= V
DDA
=
3.0–3.6V, T
A
= –40
°
to +120
°
C, C
L
50pF, f
op
= 120MHz
Parameter
Symbol
Min
Typ
Max
Units
SCK frequency
fs
15
2
MHz
SCK period
3
t
SCKW
66.7
ns
SCK high time
t
SCKH
33.4
4
ns
SCK low time
t
SCKL
33.4
4
ns
Output clock rise/fall time
4
ns
Timer Inputs
Timer Outputs
P
INHL
P
INHL
P
IN
P
OUTHL
P
OUTHL
P
OUT
相關(guān)PDF資料
PDF描述
DSP56858E 16-bit Digital Signal Controllers
DSP56858FV120 16-bit Digital Signal Controllers
DSP56858FVE 16-bit Digital Signal Controllers
DSP56858VF120 16-bit Digital Signal Controllers
DSP5685XEVMUM Feature Phone Software Application Product Brief
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DSP56857PB 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:120 MIPS Hybrid Processor
DSP56858 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers
DSP56858E 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers
DSP56858EVM 制造商:Freescale Semiconductor 功能描述:Microprocessor Support IC For Use With:D
DSP56858EVMUM_D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DSP56858 Evaluation Module User's Manual