Rainbow Electronics MAX1364 - Manual (Page 17)

MAX1363/MAX1364
4-Channel, 12-Bit System Monitors with Programmable
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HIGH CH1 CH0 12/ 1 1 1 100 0 0 HIGH HIGH
DATA
(MSB)
D8 D7 D6 D5 D4 D3 D2 D1 D0
1 0/1 0/1
0 = 10b
1 = 12b
1 1 0/1 0/1 ACK 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1
ACK/
NACK
Table 8. Data Format
START
CONDITION
START
ADDRESS
FROM THE MASTER
1, CH ADD, 10b/12b FLAG,
RESULT (4 MSBs)
RESULT (8 LSBs) 1 ACK ACK ACK STOP
R/W
t ACQ t CONV
Figure 10. Example of Reading the Conversion Result—External Clock Mode
START
ADDRESS
FROM THE MASTER
MAX1363/MAX1364
KEEPS SCL LOW
RESULT (8 LSBs)
1, CH ADD, 10b/12b,
RESULT (4 MSBs)
1 ACK ACK ACK STOP
t ACQ t CONV
6.8µs MAX
R/W
Figure 11. Example of a Single Conversion Using the Internal Clock, SCAN = 1,1
START
MAX1363/MAX1364
KEEPS SCL LOW
ADDRESS
FROM THE MASTER
1 ACK
ACK ACK
t ACQ t CONV t ACQ t CONV
CONVERSION 1
6.8µs MAX
CONVERSION 2
MAX1363/MAX1364
KEEPS SCL LOW
1, CH ADD, 10b/12b,
RESULT (4 MSBs)
RESULT 1
(8 LSBs)
STOP ACK ACK
1, CH ADD, 10b/12b,
RESULT (4 MSBs)
RESULT N
(8 LSBs)
t ACQ t CONV
CONVERSION N
R/W
Figure 12. Example of Scan-Mode Conversions Using the Internal Clock, SCAN = 0,0 and 0,1