參數(shù)資料
型號： AX88772ALF
廠商： ASIX Electronics Corporation
英文描述： USB 2.0 to 10/100M Fast Ethernet Controller
中文描述： USB 2.0至個10/100M快速以太網(wǎng)控制器
文件頁數(shù)： 34/45頁
文件大?。?/td> 778K
代理商： AX88772ALF
ASIX ELECTRONICS CORPORATION
34
AX88772A/AX88172A
Low-pin-count
USB 2.0 to 10/100M Fast Ethernet Controller
9.4.8 I2C Interface Timing
I2C Master Controller Timing table:
Symbol
Parameter
Standard
mode (Typ)
100
4.0
6.0
4.0
4.0
Fast mode
(Typ)
400
1.0
1.5
1.0
1.0
Unit
Fclk
Thigh High period of the I2C_SCL clock.
Tlow
Low period of the I2C_SCL clock.
Tsu_sta Setup time for a repeated START (Sr) condition.
Thd_sta Hold time of (repeated) START (S) condition. After
this period, the first clock pulse is generated
Tsu_dat Data Setup time.
Thd_dat Data Hold time.
Tsu_sto Data Setup time for STOP (P) condition.
Tbuf
Bus free time between a STOP and START
condition.
I2C_SCL clock frequency.
KHz
μs
μs
μs
μs
2.0
4.0
4.0
0.5
1.0
1.0
μs
μs
μs
Note 1
Note 1: It will be much greater than 22us because several factors can influence this parameter such as USB system
utilization, the CBW structure, and High/Full speed, etc.
I2C Slave Controller Timing Table:
Symbol
Parameter
Fclk
I2C_SCL clock frequency.
High period of the I2C_SCL clock in Fast mode.
Thigh
High period of the I2C_SCL clock in Standard mode.
Tlow
Low period of the I2C_SCL clock.
Tsu_sta Setup time for a repeated START (Sr) condition.
Min
-
0.6
4.0
0.4
1
Typ
Max
390
-
-
-
-
Unit
KHz
-
-
-
-
-
μs
μs
μs
Tsys_clk
(Note 2)
Tsys_clk
Thd_sta Hold time of (repeated) START (S) condition. After
this period, the first clock pulse is generated
Tsu_dat Data Setup time.
Thd_dat Data Hold time.
Tsu_sto Data Setup time for STOP (P) condition.
Tbuf
Bus free time between a STOP and START condition.
Note 2: Tsys_clk =33.33ns for 30MHz operating system clock.
3
-
-
3
-
-
-
-
-
-
-
-
Tsys_clk
μs
Tsys_clk
0.4
1
-
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AX88772B 制造商:ASIX 制造商全稱:ASIX 功能描述:AX88796C -- 低功耗 SPI或Non-PCI以太網(wǎng)控制器與方案
AX88772BLF 制造商:ASIX Electronics Corporation 功能描述:
AX88772BLI 制造商:ASIX Electronics Corporation 功能描述:
AX88772C 制造商:ASIX 制造商全稱:ASIX 功能描述:AX88796C -- 低功耗 SPI或Non-PCI以太網(wǎng)控制器與方案
AX88772CLF 制造商:ASIX Electronics Corporation 功能描述:
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