參數(shù)資料
型號(hào): DSPE56007FJ88
英文描述: DSP|24-BIT|CMOS|QFP|80PIN|PLASTIC
中文描述: 數(shù)字信號(hào)處理器| 24位|的CMOS | QFP封裝| 80腳|塑料
文件頁數(shù): 54/83頁
文件大小: 382K
代理商: DSPE56007FJ88
2-30
DSP56007/D
MOTOROLA
Specifications
Serial Host Interface (SHI) I
2
C Protocol Timing
SERIAL HOST INTERFACE (SHI) I
2
C PROTOCOL TIMING
(V
IHS
= 0.7
×
V
CC
, V
ILS
= 0.3
×
V
CC
)
(V
OHS
= 0.8
×
V
CC
, V
OLS
= 0.2
×
V
CC
)
(R
P
(min) = 1.5 k
)
Table 2-13
SHI I
2
C Protocol Timing
Standard I
2
C
(C
L
= 400 pF, R
P
= 2 k
, 100 kHz)
No.
Characteristics
Symbol
All frequencies
Unit
Min
Max
Tolerable Spike Width on SCL or SDA
Filters Bypassed
Narrow Filters Enabled
Wide Filters Enabled
0
20
100
ns
ns
ns
171
Minimum SCL Serial Clock Cycle
t
SCL
10.0
μ
s
172
Bus Free Time
t
BUF
4.7
μ
s
173
Start Condition Set-up Time
t
SU;STA
4.7
μ
s
174
Start Condition Hold Time
t
HD;STA
4.0
μ
s
175
SCL Low Period
t
LOW
4.7
μ
s
176
SCL High Period
t
HIGH
4.0
μ
s
177
SCL and SDA Rise Time
t
r
t
f
1.0
μ
s
178
SCL and SDA Fall Time
0.3
μ
s
179
Data Set-up Time
t
SU;DAT
250
ns
180
Data Hold Time
t
HD;DAT
0.0
ns
182
SCL Low to Data Out Valid
t
VD;DAT
3.4
μ
s
183
Stop Condition Set-up Time
t
SU;STO
4.0
μ
s
Note:
Refer to the
DSP56007 User’s Manual
for a detailed description of how to use the different filtering
modes.
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