mic3002 Micrel Semiconductor, mic3002 Datasheet - Page 15

• Manufacturer Part Number: mic3002
• Description: Mic3002 Fom Management Ic With Internal Calibration
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
July 2007
Address Map
Address(s)
0 –95
96 – 127
128 – 255
HEX
00-27
28-37
38-5B
5C-5E
5F
60-69
6A-6D
6E
6F
70-71
72-73
74-75
76-77
78-7E
7F
80-DD
DE
DF-F5
F6
F7
F8-F9
FA-FB
FC-FE
FF
Address(s)
DEC
0-39
40-55
56-91
92-94
95
96-105
106-109
110
111
112-113
114-115
116-117
118-119
120-126
127
128-221
222
223-245
246
247
248-249
250-251
252-254
255
Field Size
(Bytes)
96
32
128
Field Size
(Bytes)
40
16
36
3
1
10
4
1
1
2
2
2
2
7
1
94
1
23
1
1
2
3
1
2
Name
Serial ID defined by SEP MSA
Vendor Specific
Reserved
Name
Alarm and Warning
Threshold
Reserved
Calibration Constants
Reserved
Checksum
Analog Data
Reserved
Control/Status Bits
Reserved
Alarm Flags
Reserved
Warning Flags
Reserved
OEMPW
Vendor Specific
User Scratchpad
ALT_USRCTL
User Scratchpad
USRPWSET
USRPW
Alarms Masks
Warnings Masks
Reserved
USRCTL
Table 1. MIC3002 Address Map, Serial Address = A0
Table 2. MIC3002 Address Map, Serial Address = A2
Description
High/low limits for warning and alarms; writeable using OEM p/w; read-
only otherwise.
Reserved – do not write; reads undefined.
Numerical constants for external calibration; writeable using OEM p/w;
read-only otherwise.
Reserved – do not write; reads undefined.
Real time analog parameter data.
Reserved – do not write; reads undefined.
Control and status bits.
Reserved – do not write; reads undefined.
Alarm status bits; read only.
Reserved – do not write; reads undefined.
Warning status bits; read only.
Reserved – do not write; reads undefined.
OEM password entry field. The OEM password location can be selected
to be 78-7B (120-123) or 7B-7E (123-126) by setting the bit OEMCFG5
bit 2 to 0 (default) or 1.
Vendor specific. Reserved – do not write; reads undefined.
User writeable EEPROM. G-P NVRAM; R/W using any valid password.
Alternate location for USRCTL register. Set bit OEMCFG6-2 to 1 to
select this location. Can be used as a scratch pad if not selected.
User writeable EEPROM. G-P NVRAM; R/W using any valid password.
User password setting; read/write using any p/w; returns zero otherwise.
User password register
Bit =1: corresponding alarm not masked
Bit = 0: corresponding alarm masked
Bit =1: corresponding warning not masked
Bit = 0: corresponding warning masked
Reserved – do not write; reads undefined.
End-user control and status bits If ALT-USRCTL is not selected. Can be
used as a scratch pad if not selected.
G-P NVRAM; writeable using OEM p/w; ready only otherwise.
15
Description
G-P NVRAM; R/W under valid OEM password.
Vendor specific EEPROM
Reserved for future use. G-P NVRAM; R/W under valid OEM
password.
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MIC3002