參數(shù)資料
型號: TC655EUN
廠商: Microchip Technology Inc.
英文描述: Dual SMBus⑩ PWM Fan Speed Controllers With Fan Fault Detection
中文描述: 雙PWM風(fēng)扇的SMBus⑩故障檢測與風(fēng)扇轉(zhuǎn)速控制器
文件頁數(shù): 5/36頁
文件大小: 706K
代理商: TC655EUN
2002 Microchip Technology Inc.
DS21734A-page 5
TC654/TC655
FIGURE 1-1:
Bus Timing Data.
t
SU(START)
t
H(START)
t
SU-DATA
t
SU(STOP)
t
IDLE
A = Start Condition
B = MSB of Address Clocked into Slave
C = LSB of Address Clocked into Slave
D = R/W Bit Clocked into Slave
E = Slave Pulls SDA Line Low
A
B
C
D
E
F
G
H
I
J
K
L
M
F = Acknowledge Bit Clocked into Master
G = MSB of Data Clocked into Slave
H = LSB of Data Clocked into Slave
I = Slave Pulls SDA Line Low
J = Acknowledge Clocked into Master
K = Acknowledge Clock Pulse
L = Stop Condition, Data Executed by Slave
M = New Start Condition
t
LOW
t
HIGH
SCLK
SDA
t
H-DATA
SMBus Write Timing Diagram
t
SU(START)
t
H(START)
t
SU-DATA
t
SU(STOP)
t
IDLE
A = Start Condition
B = MSB of Address Clocked into Slave
C = LSB of Address Clocked into Slave
D = R/W Bit Clocked into Slave
A
B
C
D
E
F
G
H
I
J
K
E = Slave Pulls SDA Line Low
F = Acknowledge Bit Clocked into Master
G = MSB of Data Clocked into Master
H = LSB of Data Clocked into Master
t
LOW
t
HIGH
I = Acknowledge Clock Pulse
J = Stop Condition
K = New Start Condition
SCLK
SDA
SMBus Read Timing Diagram
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