SI514 Datasheet, PDF (26/36 Pages) Silicon Laboratories – ANY-FREQUENCY IC PROGRAMMABLE XO

Si514
Read Operation – Single Byte
S Slv Addr [6:0] 0 A Reg Addr [7:0] A P
S Slv Addr [6:0] 1 A Data [7:0] N P
Read Operation - Burst (Auto Address Increment)
S Slv Addr [6:0] 0 A Reg Addr [7:0] A P
S Slv Addr [6:0] 1 A Data [7:0] A Data [7:0] N P
Reg Addr +1
From slave to master
From master to slave
1 – Read
0 – Write
A – Acknowledge (SDA LOW)
N – Not Acknowledge (SDA HIGH)
S – START condition
P – STOP condition
Figure 6. I²C Read Operation
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.
The I²C bus can be operated at a bus voltage of 1.71 to 3.63 V and is 3.3 V tolerant.
26
Rev. 1.0