LM63CIMA National Semiconductor, LM63CIMA Datasheet - Page 14

• Manufacturer Part Number: LM63CIMA
• Manufacturer: National Semiconductor

Specifications of LM63CIMA

• Temperature Sensor Function: Temp Sensor
• Interface Type: Serial (2-Wire)
• Output Type: Digital
• Package Type: SOIC N
• Operating Temperature (min): 0C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Lead Free Status / Rohs Status: Not Compliant

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FAN CONTROL REGISTERS
CONFIGURATION REGISTER
TACHOMETER COUNT AND LIMIT REGISTERS
LOCAL TEMPERATURE AND LOCAL SETPOINT REGISTERS
REMOTE DIODE TEMPERATURE AND SETPOINT REGISTERS
CONVERSION AND ONE-SHOT REGISTERS
Register
0x[HEX]
Register
C0–FD
60–BE
50–5F
05 (0B)
07 (0D)
08 (0E)
04 (0A)
03 (09)
2.2 LM63 REGISTER MAP IN FUNCTIONAL ORDER
The following is a Register Map grouped in Functional Order. Some address locations have been left blank to maintain compatibility
with LM86. Addresses in parenthesis are mirrors of named address. Reading or writing either address will access the same 8-bit
register. The Fan Control and Configuration Registers are listed first, as there is a required order to setup these registers first and
then setup the others. The detailed explanations of each register will follow the order shown below. POR = Power-On-Reset.
50–5F
[HEX]
BF
FE
4E
4F
FF
4D
4C
BF
4A
4B
4F
0F
46
47
48
49
00
01
10
11
12
13
14
19
21
Lookup Table Hystersis
Rmt Diode Temp Filter
Stepping/Die Rev. ID
Manufacturer’s ID
Register Name
Lookup Table
[Reserved]
[Reserved]
[Reserved]
Remote Temperature Offset MSB
Remote Diode Temperature Filter
Remote Temperature Offset LSB
Remote High Setpoint MSB
Remote Temperature MSB
Remote High Setpoint LSB
Remote Low Setpoint MSB
Fan Spin-Up Configuration
Remote Temperature LSB
Remote Low Setpoint LSB
Lookup Table Hysteresis
Remote TCRIT Setpoint
Local High Setpoint
Remote TCRIT Hys
Local Temperature
Tach Count MSB
PWM Frequency
Conversion Rate
Tach Count LSB
Register Name
Tach Limit MSB
PWM and RPM
Tach Limit LSB
Lookup Table
Configuration
PWM Value
D7
One-Shot
0
0
0
0
Lookup Table of up to 8 PWM and Temp Pairs in 8-bit Registers
D6
0
0
0
1
D5
14
0
0
0
0
LOOKH4
D4
0
0
0
DATA BITS
Not Used
Not Used
Not Used
(R/W if Override Bit is Set)
LOOKH3
D3
0
0
0
Read/Write
Read Only
Read Only
Read Only
Read Only
Read Only
Read Only
Write Only
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
LOOKH2
RDTF1
D2
0
0
LOOKH1
RDTF0
D1
0
0
POR Default
See Table
0A (10°C)
46 (70°C)
55 (85°C)
00 (0°C)
46 (70°)
[HEX]
N/A
N/A
N/A
N/A
N/A
N/A
ALTCOMP
FF
FF
20
3F
17
00
04
00
00
00
00
00
00
08
LOOKH0
D0
1
1