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SMM151 Datasheet(PDF) 18 Page - Summit Microelectronics, Inc.

Part # SMM151
Description  Single-channel Voltage/Current Monitors and Voltage Marginers
PDF  23 Pages
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Manufacturer  SUMMIT [Summit Microelectronics, Inc.]
Direct Link  http://www.summitmicro.com
Logo SUMMIT - Summit Microelectronics, Inc.

SMM151 Datasheet(HTML) 18 Page - Summit Microelectronics, Inc.

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SMM151/152
Preliminary Datasheet
Summit Microelectronics, Inc
2131 2.1 8/15/2008
18
I2C PROGRAMMING INFORMATION (CONTINUED)
CONFIGURATION REGISTERS
The majority of the configuration registers are grouped
with the general-purpose memory. Writing and reading
the configuration registers is shown in Figures 11, 12
and 13.
Note: Configuration writes or reads of registers 00 to
03HEX must not be performed while the SMM151/152 is
margining.
GENERAL-PURPOSE MEMORY
The 256-byte general-purpose memory is located at
any slave address. The bus address bits are hard
wired by the address pins A2, A1 and A0. They can be
tied low, high or left floating, (Hi-Z). Memory writes and
reads are shown in Figures 14, 15 and 16
.
COMMAND AND STATUS REGISTERS
Writes and reads of the command and status registers
are shown in Figures 17 and 18.
GRAPHICAL USER INTERFACE (GUI)
Device configuration utilizing the Windows based
SMM151/152 graphical user interface (GUI) is strongly
recommended. The software is available from the
Summit website (www.summitmicro.com). Using the
GUI in conjunction with this datasheet simplifies the
process of device prototyping and the interaction of
the various functional blocks. A programming Dongle
(SMX3202) is available from Summit to communicate
with the SMM151/152. See Figure 9 and the SMX3202
Data Sheet (www.summitmicro.com).
Slave Address Bus Address Register Type
Configuration Registers are located in
00 HEX thru 05HEX and 30 HEX thru 3EHEX
10XX
A2 A1 A0
General-Purpose Memory is located in
40 HEX thru FF HEX
Table 1 - Address bytes used by the SMB151/152.
Slave Address programmed as 10XX (Z = Hi-Z state)
Pins A[2:0]
A2
A1
A0
Slave Address
Bus Address
0
0
0
1000
000
0
0
1
1000
001
0
0
Z
1000
010
0
1
0
1000
100
0
1
1
1000
101
0
1
Z
1000
110
0
Z
X
1000
011
1
0
0
1001
000
1
0
1
1001
001
1
0
Z
1001
010
1
1
0
1001
100
1
1
1
1001
101
1
1
Z
1001
110
1
Z
X
1001
011
Z
0
0
1010
000
Z
0
1
1010
001
Z
0
Z
1010
010
Z
1
0
1010
100
Z
1
1
1010
101
Z
1
Z
1010
110
Z
Z
X
1010
011
Table 2 – Example device addresses allowed by the SMM151.



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