參數(shù)資料
型號: MCIMX31
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Multimedia Applications Processors
中文描述: 多媒體應(yīng)用處理器
文件頁數(shù): 102/170頁
文件大?。?/td> 1562K
代理商: MCIMX31
i.MX31/i.MX31L Advance Information, Rev. 1.4
102
Freescale Semiconductor
Preliminary
Electrical Characteristics
4.3.12
Fusebox Electrical Specifications
4.3.13
I2C Electrical Specifications
This section describes the electrical information of the I2C Module.
4.3.13.1
I2C Module Timing
Figure 44
depicts the timing of I2C module.
Table 44
lists the I2C module timing parameters where the
I/O supply is 2.7 V. 1
Figure 44. I2C Bus Timing Diagram
Table 42. Fusebox Supply Current Parameters
Ref.
Num
Description
Symbol Minimum Typical Maximum Units
1
eFuse Program Current.
1
Current to program one eFuse bit
efuse_pgm = 3.0V
1
The current I
program
is during program time (t
program
).
2
The current I
read
is present for approximately 50nS of the read access to the 8 bit word
I
program
35
60
mA
2
eFuse Read Current
2
Current to read an 8-bit eFuse word
vdd_fusebox = 1.875V
I
read
5
8
mA
Table 43. Fusebox Timing Characteristics
Ref.
Num
Description
Symbol
Minimum
Typical
Maximum
Units
1
Program time for eFuse
1
1
The program length is defined by the value defined in the epm_pgm_length[2:0] bits of the IIM module. The value to program
is based on a 32 kHz clock source (4 * 1/32 kHz = 125 μs)
t
program
125
μs
IC10
IC11
IC9
IC2
IC8
IC4
IC7
IC3
IC6
IC10
IC5
IC11
START
STOP
START
START
I2DAT
I2CLK
IC1
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