mt18jsf25672pz-1g4f1 Micron Semiconductor Products, mt18jsf25672pz-1g4f1 Datasheet - Page 20

• Manufacturer Part Number: mt18jsf25672pz-1g4f1
• Description: Ddr3 Sdram Rdimm
• Manufacturer: Micron Semiconductor Products

Table 20: Capability Register Bit Description (Continued)
Configuration Register
Table 21: Configuration Register (Address: 0x01)
Table 22: Configuration Register Bit Descriptions
PDF: 09005aef8394fb39
js-z-f18c256_512x72pz - Rev. C 10/09 EN
Critical lock
Bit
RFU
0
1
2
3
4
5
15
bit
7
15:5
Bit
4:3
Description
Event mode
0: Comparator mode
1: Interrupt mode
EVENT# polarity
0: Active LOW
1: Active HIGH
Critical event only
0: EVENT# trips on alarm or critical temperature event
1: EVENT# trips only if critical temperature is reached
Event output control
0: Event output disabled
1: Event output enabled
Event status
0: EVENT# has not been asserted by this device
1: EVENT# is being asserted due to an alarm window
or critical temperature condition
Clear event
0: No effect
1: Clears the event when the temperature sensor is in
the interrupt mode
Alarm lock bit
Description
Temperature resolution
00: 0.5°C LSB
01: 0.25°C LSB
10: 0.125°C LSB
11: 0.0625°C LSB
0: Must be set to zero
RFU
14
6
Clear event
RFU
13
5
Temperature Sensor with Serial Presence-Detect EEPROM
2GB, 4GB (x72, ECC, SR) 240-Pin DDR3 SDRAM RDIMM
Event output
status
RFU
12
4
Bit
Bit
20
Event output
control
RFU
11
3
Notes
Event mode cannot be changed if either of the lock
bits is set.
EVENT# polarity cannot be changed if either of the
lock bits is set.
This is a read-only field in the register. The event caus-
ing the event can be determined from the read tem-
perature register.
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Critical event
only
10
2
Hysteresis
Event polarity
©2009 Micron Technology, Inc. All rights reserved.
9
1
Event mode
Shutdown
mode
8
0