AMC80

SBOS559B – MAY 2011 – REVISED OCTOBER 2015

www.ti.com

7.5 Register Map

7.5.1 Configuration Register

Table 3. Configuration Register (Address = 00h, Default = 08h)

BIT

NAME

TYPE

DESCRIPTION

0

Start

R/W

'1' enables startup of monitoring activity; '0' puts device in shutdown mode.

1

INT Enable

R/W

'1' enables the INT output.

2

INT Polarity Select

R/W

'1' selects active-high, open-source output; '0' selects active-low, open-drain output.

'1' disables the INT output without affecting the contents of the Interrupt Status Registers.

3

INT_Clear

R/W

The device stops monitoring and resumes on a '0'.

'1' outputs an active-low reset signal at RST_OUT, if bit 7 and bit 6 in the Fan Divisor/

4

RESET

R/W

Register (address 05h) are set to '1' and '0', respectively. This bit is cleared when the pulse

becomes inactive.

5

Chassis Clear

R/W

'1' clears the GPI/CI pin. This bit clears itself after 10ms.

6

GPO

R/W

'1' drives the GPO pin low.

7

INITIALIZATION

R/W

'1' restores power-on-default values to the registers. This bit is self-clearing

7.5.2 Interrupt Status Registers

Table 4. Interrupt Status Register 1 (Address = 01h, Default = xxh; see Table 2)

BIT

NAME

TYPE

DESCRIPTION

0

CH0

Read

'1' indicates a high or low limit has been exceeded.

1

CH1

Read

'1' indicates a high or low limit has been exceeded.

2

CH2

Read

'1' indicates a high or low limit has been exceeded.

3

CH3

Read

'1' indicates a high or low limit has been exceeded.

4

CH4

Read

'1' indicates a high or low limit has been exceeded.

5

CH5

Read

'1' indicates a high or low limit has been exceeded.

6

CH6

Read

'1' indicates a high or low limit has been exceeded.

7

INT_IN

Read

'1' indicates that a low signal has been detected on the INT_IN pin.

Table 5. Interrupt Status Register 2 (Address = 02h, Default = xxh; see Table 2)

BIT

NAME

TYPE

DESCRIPTION

'1' indicates a high or low limit has been exceeded. One-Time Interrupt and Default Interrupt

0

Hot Temperature

Read

modes are supported and can be set by bit 6 of Interrupt Mask Register 2 (address 04h).

1

BTI

Read

'1' indicates that an interrupt has occurred from the BTI input pin.

2

FAN 1

Read

'1' indicates that a fan count limit has been exceeded.

3

FAN 2

Read

'1' indicates that a fan count limit has been exceeded.

4

GPI/CI

Read

'1' indidates that GPI/CI has gone high.

'1' indicates a high or low temperature limit has been exceeded. One-Time Interrupt and

5

OS

Read

Default Interrupt modes are supported and can be set by bit 7 of Interrupt Mask Register 2

(address 04h).

6

Reserved

Read

This bit is reserved.

7

Reserved

Read

This bit is reserved.

16

Submit Documentation Feedback

Copyright © 2011–2015, Texas Instruments Incorporated

Product Folder Links: AMC80