MIC384
September 2000
First Byte of Transaction
Last Byte of Transaction
…
X X X X X X X X /A P
NOT ACKNOWLEDGE
STOP
R/W = DONT CARE
ACKNOWLEDGE
ACKNOWLEDGE
MIC384 Slave Address
S 1 0 0 1 X X X X A X X X X X X X X A
Conversion
in Progress
A/D Converter
in Standby
New Conversion
Begins
Slave-to-master response
Conversion Interrupted
By MIC384 Acknowledge
Master-to-slave transmission
START
New Conversion
in Progress
t
CONV1
First
Result
Ready
Figure 4. A/D Converter Timing
9
MIC384 Slave Address
Command Byte = 01
h
= CONFIG
MIC384 Slave Address
CONFIG Value*
START
R/W = WRITE
ACKNOWLEDGE
ACKNOWLEDGE
START
R/W = READ
ACKNOWLEDGE
NOT ACKNOWLEDGE
STOP
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
t
n/INT
t
/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 ]
