1-Wire Digital Thermometer with
Sequence Detect and PIO
DS28EA00
16
Maxim Integrated
FROM FIGURE 9c
TO FIGURE 9c
99h
CHAIN COMMAND?
N
Y
MASTER Rx "1"s
N
MASTER Tx RESET?
Y
N
MASTER Tx CHAIN
CONTROL BYTE
DS28EA00 UPDATES
CHAIN STATE
MASTER Rx CONFIRMATION
CODE AAh
MASTER Tx INVERTED
CHAIN CONTROL BYTE
TRANSMISSION
ERROR?
CONTROL BYTE
VALID?
Y
N
N
Y
MASTER Tx RESET?
Y
N
MASTER Rx INVERTED CHAIN
CONTROL BYTE
MASTER Tx RESET?
Y
N
MASTER Rx ERROR
CODE 00h
MASTER Tx RESET?
Y
ERROR DEFINED AS:
REPEATED CONTROL BYTE
NOT EQUAL TO INVERTED
CONTROL BYTE
VALID CHAIN CONTROL
BYTE CODES:
3Ch OFF
5Ah ON
96h DONE
Figure 9d. Control Function Flowchart