参数资料
型号: MB91661PMC
厂商: FUJITSU LTD
元件分类: 微控制器/微处理器
英文描述: 32-BIT, MROM, 33 MHz, RISC MICROCONTROLLER, PQFP120
封装: 16 X 16 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-120
文件页数: 16/128页
文件大小: 3660K
代理商: MB91661PMC
MB91660 Series
112
DS07-16905-4E
(15) I2C Timing
Not using USB : (VCC
= AVCC = 2.7 V to 3.6 V, VSS = AVSS = 0 V, Ta = 40 °C to + 85 °C)
Using USB : (VCC
= AVCC = 3.0 V to 3.6 V, VSS = AVSS = 0 V, Ta = 40 °C to + 85 °C)
*1 : R and C represent the pull-up resistance and load capacitance of the SCL and SDA lines, respectively. Vp
indicates the power supply voltage of the pull-up resistance and IOL indicates VOL guaranteed current.
*2 : The maximum tHDDAT must satisfy that it doesn't extend at least “L” period (tLOW) of device's SCL signal.
*3 : A high-speed mode I2C bus device can be used on a standard mode I2C bus system as long as the device
satisfies the requirement of “tSUDAT
≥ 250 ns”.
*4 : tCYCP is the peripheral clock cycle time. To use I2C, set the peripheral bus clock at 8 MHz or more.
Parameter
Symbol
Pin name
Condi-
tions
Typical mode
High-speed mode*3
Unit
Min
Max
Min
Max
SCL clock frequency
fSCL
SCKn
(SCLn)
CL
= 50 pF,
R
=
(Vp/IOL) *1
01000400
kHz
“(Repeated) START
condition” hold time
SDA
↓ → SCL ↓
tHDSTA
SOUTn
(SDAn)
SCKn
(SCLn)
4.0
0.6
μs
SCL clock “L” width
tLOW
SCKn
(SCLn)
4.7
1.3
μs
SCL clock “H” width
tHIGH
SCKn
(SCLn)
4.0
0.6
μs
“Repeated START
condition” setup time
SCL
↑→ SDA ↓
tSUSTA
SCKn
(SCLn)
4.7
0.6
μs
Data hold time
SCL
↓ → SDA ↓ ↑
tHDDAT
SOUTn
(SDAn)
SCKn
(SCLn)
0
3.45*2
00.9*3
μs
Data setup time
SDA
↓ ↑→ SCL↑
tSUDAT
SOUTn
(SDAn)
SCKn
(SCLn)
250
100
ns
“STOP condition” setup
time
SCL
↑→ SDA↑
tSUSTO
SOUTn
(SDAn)
SCKn
(SCLn)
4.0
0.6
μs
Bus free time between
“STOP condition” and
“START condition”
tBUF
4.7
1.3
μs
Noise filter
tSP
2 tCYCP *4
2 tCYCP *4
ns
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