MCP98243 Microchip Technology Inc., MCP98243 Datasheet - Page 43

• Manufacturer Part Number: MCP98243
• Description: Memory Module Temperature Sensor W/ Eeprom For Spd
• Manufacturer: Microchip Technology Inc.

5.4
The MCP98243 has an internal Power-on Reset (POR)
circuit. If the power supply voltage V
to the V
resets the registers to the power-on default settings.
Table 5-7
temperature sensor. The EEPROM resets the address
pointer to 0x00 hex.
TABLE 5-7:
© 2009 Microchip Technology Inc.
Address (Hexadecimal)
POR_TS
Summary of Power-on Default
shows the power-on default summary for the
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
and V
POWER-ON RESET DEFAULTS
PRO_EE
Registers
Device ID/ Device Revision
thresholds, the device
Manufacturer ID
Register Name
Resolution
Capability
DD
CONFIG
T
T
T
LOWER
UPPER
glitches down
CRIT
T
A
Data (Hexadecimal)
Default Register
0x002F
0x0000
0x0000
0x0000
0x0000
0x0000
0x0054
0x2100
0x01
Measures temperature below 0°C
0.25°C Measurement Resolution
±1°C accuracy over active range
Temperature event output
Event and critical output
Continuous conversion
Accepts V
Register Description
Event limits unlocked
Critical limit unlocked
Event not asserted
Power-up Default
Comparator mode
Active-Low output
MCP98243
Interrupt cleared
Output disabled
0°C Hysteresis
0x0054 (hex)
0x2100 (hex)
0x01 (hex)
0°C
0°C
0°C
0°C
HV
DS22153A-page 43
at A0 Pin