Rainbow-electronics LM93 Bedienungsanleitung PDF herunterladen (Seite 52)

16.0 Registers (Continued)

16.5.8 Register 4Fh H_Fan Error Status

Address

Read/

Write

Name

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Default

Value

4Fh RWC

H_Fan

Error Status

RES

FAN4

_ERR

FAN3

_ERR

FAN2

_ERR

FAN1

_ERR

00h

Bit Name R/W Description

Sleep

Masking

0 FAN1_ERR RWC This bit is set when the Fan Tach 1 value register is above the value set in

the Fan Tach 1 Limit register.

S1*, S3*, S4/5

1 FAN2_ERR RWC This bit is set when the Fan Tach 2 value register is above the value set in

the Fan Tach 2 Limit register.

S1*, S3*, S4/5

2 FAN3_ERR RWC This bit is set when the Fan Tach 3 value register is above the value set in

the Fan Tach 3 Limit register.

S1*, S3*, S4/5

3 FAN4_ERR R This bit is set when the Fan Tach 4 value register is above the value set in

the Fan Tach 4 Limit register.

S1*, S3*, S4/5

7:4 RES R Reserved N/A

16.6 VALUE REGISTERS

16.6.1 Registers 50–53h Unfiltered Temperature Value Registers

Address

Read/

Write

Name

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Default

Value

50h R Zone 1 (CPU1) Temp 76543210N/D

51h R Zone 2 (CPU1) Temp 76543210N/D

52h R Zone 3 (Internal) Temp 76543210N/D

53h R/W

Zone 4

(External Digital) Temp

76543210N/D

Zones 1, 2 and 3 are all automatically updated by the LM93. The Zone 4 (External Digital) Temp register must be written by an

external SMBus device.

The temperature registers for zones 1 and 2 must return a value of 80h if the remote diode pins are not implemented by the board

designer or are not functioning properly.

16.6.2 Registers 54–55h Filtered Temperature Value Registers

Address

Read/

Write

Name

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Default

Value

54h R

Zone 1 (CPU1)

Filtered Temp

7654321000h

55h R

Zone 2 (CPU1)

Filtered Temp

7654321000h

These registers reflect the temperature of zones 1 and 2 after the spike smoothing filter has been applied.

The characteristics of the filtering can be adjusted by using the Zones 1/2 Spike Smoothing Control register.

LM93

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