MIC384
September 2005
First Byte of Transaction
Last Byte of Transaction
…
MIC384 Slave Address
X X X X X X X X /A P
NOT ACKNOWLEDGE
S 1 0 0 1
X X X
X A X X X X X X X X A
R/W = DONT CARE
START
ACKNOWLEDGE
ACKNOWLEDGE
Conversion�½
in Progress
Conversion Interrupted
By MIC384 Acknowledge
Master-to-slave transmission
Slave-to-master response
A/D Converter�½
in Standby
New Conversion�½
in Progress
t
CONV1
New Conversion
First
Begins
Result�½
Ready
STOP
Figure 4. A/D Converter Timing
9
MIC384 Slave Address
Command Byte = 01
h
= CONFIG
MIC384 Slave Address
CONFIG Value*
S 1 0 0 0
X X A0
0 A 0 0 0 0 0 0 0 1 A S 1 0 0 0
X X A0
1
A
X X X X X X X X /A P
START
R/W = WRITE
ACKNOWLEDGE
ACKNOWLEDGE
START
t
/INT
R/W = READ
ACKNOWLEDGE
NOT ACKNOWLEDGE
STOP
t
n/INT
INT
Temperature event occurs
* Status bits in CONFIG are cleared to zero following this operation
Master-to-slave transmission
Slave-to-master response
Figure 5. Responding to Interrupts
MIC384
Micrel
MICREL [ MICREL SEMICONDUCTOR ]
