參數(shù)資料
型號(hào): DSP56F803E
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(hào)控制器
文件頁數(shù): 36/52頁
文件大?。?/td> 414K
代理商: DSP56F803E
56F803 Technical Data, Rev. 15
36
Freescale Semiconductor
Figure 3-17 Recovery from Stop State Using IRQA Interrupt Service
3.8 Serial Peripheral Interface (SPI) Timing
Table 3-12 SPI Timing
1
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
Characteristic
Symbol
Min
Max
Unit
See Figure
Cycle time
Master
Slave
t
C
50
25
ns
ns
Figures
3-18
, ,
3-20
,
3-21
Enable lead time
Master
Slave
t
ELD
25
ns
ns
Figure
3-21
Enable lag time
Master
Slave
t
ELG
100
ns
ns
Figure
3-21
Clock (SCLK) high time
Master
Slave
t
CH
17.6
12.5
ns
ns
Figures
3-18
, ,
3-20
,
3-21
Clock (SCLK) low time
Master
Slave
t
CL
24.1
25
ns
ns
Figures
3-18
, ,
3-20
,
3-21
Data set-up time required for inputs
Master
Slave
t
DS
20
0
ns
ns
Figures
3-18
, ,
3-20
,
3-21
Data hold time required for inputs
Master
Slave
t
DH
0
2
ns
ns
Figures
3-18
, ,
3-20
,
3-21
Access time (time to data active from high-impedance
state)
Slave
t
A
4.8
15
ns
Figure
3-21
Disable time (hold time to high-impedance state)
Slave
t
D
3.7
15.2
ns
Figure
3-21
Instruction Fetch
IRQA
A0–A15
PS, DS,
RD, WR
First IRQA Interrupt
t
IRQ
t
II
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