MAX1668_00 Datasheet, PDF (15/16 Pages) Maxim Integrated Products – Multichannel Remote/Local Temperature Sensor

Multichannel Remote/Local
Temperature Sensor
Table 8. Slave Address Decoding (ADD0
and ADD1)
ADD0
GND
GND
GND
High-Z
High-Z
High-Z
V_CC
V_CC
V_CC
ADD1
GND
High-Z
V_CC
GND
High-Z
V_CC
GND
High-Z
V_CC
ADDRESS
0011 000
0011 001
0011 010
0101 001
0101 010
0101 011
1001 100
1001 101
1001 110
Note: High-Z means that the pin is left unconnected and floating.
A
B
C
D
EF
G
t_LOW tHIGH
SMBCLK
H
I
J
K
SMBDATA
t_SU:STA t_HD:STA
t_SU:DAT
A = START CONDITION
B = MSB OF ADDRESS CLOCKED INTO SLAVE
C = LSB OF ADDRESS CLOCKED INTO SLAVE
D = R/W BIT CLOCKED INTO SLAVE
Figure 4. SMBus Read Timing Diagram
E = SLAVE PULLS SMBDATA LINE LOW
F = ACKNOWLEDGE BIT CLOCKED INTO MASTER
G = MSB OF DATA CLOCKED INTO MASTER
H = LSB OF DATA CLOCKED INTO MASTER
A
B
C
D
EF
G
t_LOW t_HIGH
SMBCLK
t_SU:STO t_BUF
I = ACKNOWLEDGE CLOCK PULSE
J = STOP CONDITION
K = NEW START CONDITION
H
IJ
K
LM
SMBDATA
t_SU:STA tHD:STA
t_SU:DAT
t_HD:DAT
t_SU:STO t_BUF
A = START CONDITION
B = MSB OF ADDRESS CLOCKED INTO SLAVE
C = LSB OF ADDRESS CLOCKED INTO SLAVE
D = R/W BIT CLOCKED INTO SLAVE
E = SLAVE PULLS SMBDATA LINE LOW
F = ACKNOWLEDGE BIT CLOCKED INTO MASTER
G = MSB OF DATA CLOCKED INTO SLAVE
H = LSB OF DATA CLOCKED INTO SLAVE
I = SLAVE PULLS SMBDATA LINE LOW
J = ACKNOWLEDGE CLOCKED INTO MASTER
K = ACKNOWLEDGE CLOCK PULSE
L = STOP CONDITION, DATA EXECUTED BY SLAVE
M = NEW START CONDITION
Figure 5. SMBus Write Timing Diagram
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