Rainbow-electronics LM93 Bedienungsanleitung PDF herunterladen (Seite 63)

16.0 Registers (Continued)

16.8.2 Register BDh Special Function Control 2 (Smart Tach Mode Enable and Fan Control Temperature Resolution

Control)

Address

Read/

Write

Name

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

Default

Value

BDh R/W

Special Function

Control 2

RES RES

ZN34

_RS

ZN12

_RS

STE4 STE3 STE2 STE1 00h

Bit Name R/W Description

0 STE1 R/W Enable Smart Tach for Tach 1

1 STE2 R/W Enable Smart Tach for Tach 2

2 STE3 R/W Enable Smart Tach for Tach 3

3 STE4 R/W Enable Smart Tach for Tach 4

4 ZN12_RS R/W When this bit is set, the auto fan control will use

0.5˚C of resolution for zones 1 and 2

5 ZN34_RS R/W When this bit is set, the auto fan control will use

0.5˚C of resolution for zones 3 and 4

6 RES R Reserved

7 RES R Reserved

Application Note: Enabling Smart Tach mode is not supported while either PWM output is configured for 22.5 kHz. The behavior

of the part is undefined if this configuration is programmed. Register E0h Special Function TACH to PWM Binding must be setup

when Smart Tach modes are enabled.

16.8.3 Register BEh GPI/VID Level Control

Address

Read/

Write

Name

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

Default

Value

BEh R/W

GPI/VID

Level Control

GPI7

_LVL

GPI6

_LVL

GPI5

_LVL

GPI4

_LVL

RES

P2_VID

_LVL

P1_VID

_LVL

00h

Bit Name R/W Description

0 P1_VID_LVL R/W If set, P1_VIDx inputs use alternate lower V

and V

levels

1 P2_VID_LVL R/W If set, P2_VIDx inputs use alternate lower V

and V

levels

3:2 RES R Reserved

4 GPI4_LVL R/W If set, GPIO4 input use alternate lower V

and V

levels

5 GPI5_LVL R/W If set, GPIO5 input use alternate lower V

and V

levels

6 GPI6_LVL R/W If set, GPIO6 input use alternate lower V

and V

levels

7 GPI7_LVL R/W If set, GPIO7 input use alternate lower V

and V

levels

See the DC Electrical Characteristics for exact V

and V

levels.

LM93

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