Figure 9. I2C Write Operation A read operat" />
參數(shù)資料
型號(hào): SI5351B-A-GM
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 7/72頁(yè)
文件大?。?/td> 0K
描述: IC CLK GEN PLL BLANK CUST 20-QFN
標(biāo)準(zhǔn)包裝: 75
系列: MultiSynth™
類型: *
PLL:
輸入: 晶體
輸出: CMOS
電路數(shù): 1
比率 - 輸入:輸出: 1:8
差分 - 輸入:輸出: 無/無
頻率 - 最大: 133MHz
除法器/乘法器: 是/無
電源電壓: 2.25 V ~ 3.63 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 20-QFN(4x4)
包裝: 管件
Si5351A/B/C
Preliminary Rev. 0.95
15
Figure 9. I2C Write Operation
A read operation is performed in two stages. A data write is used to set the register address, then a data read is
performed to retrieve the data from the set address. A read burst operation is also supported. This is shown in
Figure 10. I2C Read Operation
AC and DC electrical specifications for the SCL and SDA pins are shown in Table 7. The timing specifications and
timing diagram for the I2C bus is compatible with the I2C-Bus Standard. SDA timeout is supported for compatibility
with SMBus interfaces.
1 – Read
0 – Write
A – Acknowledge (SDA LOW)
N – Not Acknowledge (SDA HIGH)
S – START condition
P – STOP condition
From slave to master
From master to slave
Write Operation – Single Byte
S
0 A Reg Addr [7:0]
Slv Addr [6:0]
A Data [7:0]
P
A
Write Operation - Burst (Auto Address Increment)
Reg Addr +1
S
0 A Reg Addr [7:0]
Slv Addr [6:0]
A Data [7:0]
P
A
1 – Read
0 – Write
A – Acknowledge (SDA LOW)
N – Not Acknowledge (SDA HIGH)
S – START condition
P – STOP condition
From slave to master
From master to slave
Read Operation – Single Byte
S
0 A Reg Addr [7:0]
Slv Addr [6:0]
A P
Read Operation - Burst (Auto Address Increment)
Reg Addr +1
S
1 A
Slv Addr [6:0]
Data [7:0]
P
N
S
0 A Reg Addr [7:0]
Slv Addr [6:0]
A P
S
1 A
Slv Addr [6:0]
Data [7:0]
A
P
N
Data [7:0]
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