參數(shù)資料
型號: SPAK56F826BU80
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數(shù)字信號處理
英文描述: 16-BIT, 80 MHz, OTHER DSP, PQFP100
封裝: LQFP-100
文件頁數(shù): 26/53頁
文件大?。?/td> 829K
代理商: SPAK56F826BU80
32
DSP56F826 Preliminary Technical Data
MOTOROLA
3.9 Serial Peripheral Interface (SPI) Timing
1.Parameters listed are guaranteed by design.
Table 16. SPI Timing1
Operating Conditions: VSSIO=VSS = VSSA = 0V, VDDA =VDDIO=3.0–3.6V, VDD = 2.25–2.75V, TA = –40° to +85°C, CL ≤ 50 pF, fop = 80 MHz
Characteristic
Symbol
Min
Max
Unit
See Figure
Cycle time
Master
Slave
tC
50
25
ns
Figures 22,
23, 24, 25
Enable lead time
Master
Slave
tELD
25
ns
Figure 25
Enable lag time
Master
Slave
tELG
100
ns
Figure 25
Clock (SCLK) high time
Master
Slave
tCH
24
12
ns
Figures 22,
23, 24, 25
Clock (SCLK) low time
Master
Slave
tCL
24.1
12
ns
Figures 22,
23, 24, 25
Data setup time required for inputs
Master
Slave
tDS
20
0
ns
Figures 22,
23, 24, 25
Data hold time required for inputs
Master
Slave
tDH
0
2
ns
Figures 22,
23, 24, 25
Access time (time to data active from high-impedance state)
Slave
tA
4.8
15
ns
Figure 25
Disable time (hold time to high-impedance state)
Slave
tD
3.7
15.2
ns
Figure 25
Data Valid for outputs
Master
Slave (after enable edge)
tDV
4.5
20.4
ns
Figures 22,
23, 24, 25
Data invalid
Master
Slave
tDI
0
ns
Figures 22,
23, 24, 25
Rise time
Master
Slave
tR
11.5
10.0
ns
Figures 22,
23, 24, 25
Fall time
Master
Slave
tF
9.7
9.0
ns
Figures 22,
23, 24, 25
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