SB710 datasheet(44/88 Pages) AMD

44 / 88 page

AMD SB710 Databook

45215 Rev. 1.60 November 09

Signal Description

Ball Name

(Default Function

in Blue)

Type

Voltage and

Domain

Internal

Resistor

(Default in

Blue)

Default

Type

(Default

State in

Blue)

Functional Description

IMC_PWM0 ◊ /

IMC_GPIO10

I/O

3.3V_S5

10-kΩ PU

10-kΩ PD

Input

Integrated Microcontroller

(IMC) PWM 0/

IMC GPIO 10

SCL2 ◊ /

IMC_GPIO11

I/O

3.3V_S5

(5-V tolerance)

10-kΩ PU

10-kΩ PD

Input

SMBus Clock 2/

Integrated Microcontroller

(IMC) GPIO 11

SDA2 ◊ /

IMC_GPIO12

I/O

3.3V_S5

(5-V tolerance)

10-kΩ PU

10-kΩ PD

Input

SMBus Data 2/

Integrated Microcontroller

(IMC) GPIO 12

SCL3_LV ◊ /

IMC_GPIO13

I/O

3.3V_S5

10-kΩ PU

10-kΩ PD

Input

Low Voltage SMBus Clock 3/

Integrated Microcontroller

(IMC) GPIO 13

SDA3_LV ◊ /

IMC_GPIO14

I/O

3.3V_S5

10-kΩ PU

10-kΩ PD

Input

Low Voltage SMBus Data 3 /

Integrated Microcontroller

(IMC) GPIO 14

IMC_PWM1 ◊ /

IMC_GPIO15

I/O

3.3V_S5

10-kΩ PU

10-kΩ PD

Input

Integrated Microcontroller

(IMC) PWM 1/

IMC GPIO 15

IMC_PWM2 ◊ /

IMC_GPO16 §

I/O

3.3V_S5

(5-V tolerance)

10-kΩ PU

10-kΩ PD

Input

Integrated Microcontroller

(IMC) PWM 2/

IMC GPO 16

IMC_PWM3 ◊ /

IMC_GPO17 §

I/O

3.3V_S5

(5-V tolerance)

10-kΩ PU

10-kΩ PD

Input

Integrated Microcontroller

(IMC) PWM 3/

IMC GPO 17

Notes: For information on how to configure the GPIO pins, see the AMD SB700/SB710/SB750 Register

Reference Guide

. Notice that the IMC GPIOs can also be used as general purpose GPIOs.

* The “default function” and the “default state” refer to function and state of the pin after

deassertion of PCI host bus reset (A_RST#), i.e., right after system power up or reset.

◊ The IMC PWM and SMBus functions are not available if the IMC is disabled via the strap setting

on AZ_RST#.

§ To avoid corrupting the ROM type strap settings, IMC_GPO[17:16] must not be driven from an

external source until after RSMRST# had been de-asserted.

SB710 Datasheet(PDF) 44 Page - Advanced Micro Devices

SB710 Datasheet(HTML) 44 Page - Advanced Micro Devices

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