參數(shù)資料
型號: STR910FAM42X6T
廠商: 意法半導體
英文描述: ARM966E-S⑩ 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA
中文描述: ARM966E -虜⑩16/32位閃存微控制器與以太網(wǎng),USB,加拿大,交流電機控制,4個定時器,模數(shù)轉(zhuǎn)換器,RTC和DMA的
文件頁數(shù): 84/99頁
文件大小: 979K
代理商: STR910FAM42X6T
Electrical characteristics
STR91xFAx32 STR91xFAx42 STR91xFAx44
84/99
7.12.4
I
2
C electrical characteristics
V
DDQ
= 2.7 - 3.6V, V
DD
= 1.65 - 2V, T
A
= -40 / 85 °C unless otherwise specified.
Table 44.
I
2
C electrical characteristics
Symbol
Parameter
Standard I
2
C
Fast I
2
C
Unit
Min
Max
Min
Max
t
BUF
Bus free time between a STOP
and START condition
4.7
1.3
ms
t
HD:STA
Hold time START condition.
After this period, the first clock
pulse is generated
(1)
1.
The maximum hold time of the START condition has only to be met if the interface does not stretch the low
period of SCL signal
4.0
0.6
μs
t
LOW
LOW period of the SCL clock
4.7
1.3
μs
t
HIGH
HIGH period of the SCL clock
4.0
0.6
μs
t
SU:STA
Set-up time for a repeated
START condition
4.7
0.6
μs
t
HD:DAT
Data hold time
(2)
2.
The device must internally provide a hold time of at least 300 ns for the SDA signal in order to bridge the
undefined region of the falling edge of SCL.
0
0
ns
t
SU:DAT
Data set-up time
250
100
ns
t
R
Rise time of both SDA and SCL
signals
1000
20+0.1C
b
(3)
3.
C
b
= total capacitance of one bus line in pF
300
ns
t
F
Fall time of both SDA and SCL
signals
300
20+0.1C
b
(3)
300
ns
t
SU:STO
Set-up time for STOP condition
4.0
0.6
μs
C
b
Capacitive load for each bus
line
400
400
pF
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