參數(shù)資料
型號: SPEAR300-2
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 333 MHz, RISC MICROCONTROLLER, PBGA289
封裝: 15 X 15 MM, 1.70 MM HEIGHT, 0.80 MM PITCH, ROHS COMPLIANT, LFBGA-289
文件頁數(shù): 59/83頁
文件大?。?/td> 1027K
代理商: SPEAR300-2
Timing requirements
SPEAr300
62/83
Doc ID 16324 Rev 2
6.3
I2C timing characteristics
The characterization timing is done considering an output load of 10 pF on SCL and SDA.
The operating conditions are V = 0.90 V, TA=125° C in worst case and V =1.10 V, TA= 40° C
in best case.
Figure 17.
I2C output pins
Figure 18.
I2C input pins
The flip-flops used to capture the incoming signals are re-synchronized with the AHB clock
(HCLK): so, no input delay calculation is required.
Those values are referred to the common internal source clock which has a period of:
tHCLK = 6 ns.
Table 31.
Output delays for I2C signals
Parameter
Min
Max
Unit
tHCLK->SCLH
8.1067
11.8184
ns
tHCLK->SCLL
7.9874
12.6269
ns
tHCLK->SDAH
7.5274
11.2453
ns
tHCLK->SDAL
7.4081
12.0530
ns
Set
Q
D
Clr
Set
Q
D
Clr
HCLK
SCL
SDA
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