Specifications

Reference Design HFRD-25.2 (Rev.8; 01/09) Maxim Integrated Products
Page 35 of 42
Figure 9. Simplified two-wire interface state diagram.
Simplified Two-Wire Interface
State Diagram
ACK
Load Next
State (R/W)
Address
Match
Start Condition
Interrupt
Get Dev
Address/
Check Address
Init Buffer Full
Interrupt
Address
Mismatch
Do Nothing;
Wait for Next
Start Condition
Interrupt
Buffer Full
Interrupt
Get Data
Address
Output Data
Inc Address
Value
Write Data to
Address, Inc
Addr. Value
Read Write
ACK
NACK
o
r
Stop
Wait for Next
Start Condition
Interrupt
ACK
Get Data
Send
ACK
NACK
o
r
Stop