Chapter 3Signals and Pinout Tables
Table
| Signal |
| Description |
| I/O | PU/PD | Commen | ||
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| GPO[0] |
| General purpose output pins. Upon a |
| O 3.3VSB | PU 10k |
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| hardware reset, these outputs should |
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| 3.3VSB |
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| be low. |
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| GPO[1] |
| General purpose output pins. Upon a |
| O 3.3VSB | PU 10k |
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| hardware reset, these outputs should |
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| 3.3VSB |
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| be low. |
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| GPO[2] |
| General purpose output pins. Upon a |
| O 3.3VSB | PU 10k |
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| hardware reset, these outputs should |
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| 3.3VSB |
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| be low. |
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| GPO[3] |
| General purpose output pins. Upon a |
| O 3.3VSB | PU 10k |
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| hardware reset, these outputs should |
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| 3.3VSB |
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| be low. |
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| GPI[0] |
| General purpose input pins. Pulled |
| I 3.3VSB | PU 10k |
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| high internally on the module. |
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| 3.3VSB |
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| GPI[1] |
| General purpose input pins. Pulled |
| I 3.3VSB | PU 10k |
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| high internally on the module. |
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| 3.3VSB |
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| GPI[2] |
| General purpose input pins. Pulled |
| I 3.3VSB | PU 10k |
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| high internally on the module. |
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| 3.3VSB |
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| GPI[3] |
| General purpose input pins. Pulled |
| I 3.3VSB | PU 10k |
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| high internally on the module. |
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| 3.3VSB |
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Table |
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| Signal | Description | I/O |
| PU/PD |
| Comment | ||
| PWRBTN# | Power button to bring system out of S5 (soft | I 3.3VSB |
| PU 10k |
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| off), active on rising edge. |
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| 3.3VSB |
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| SYS_RESET | Reset button input. Active low input. System is | I 3.3VSB |
| PU 10k |
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| # | held in hardware reset while this input is low, |
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| 3.3VSB |
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| and comes out of reset upon release. |
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| CB_RESET# | Reset output from module to Carrier Board. | O 3.3V |
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| Active low. Issued by module chipset and may |
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| result from a low SYS_RESET# input, a low |
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| PWR_OK input, a VCC_12V power input that |
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| falls below the minimum specification, a |
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| watchdog timeout, or may be initiated by the |
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| module software. |
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| PWR_OK | Power OK from main power supply. A high | I 3.3V |
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| Set by | ||
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| value indicates that the power is good. |
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| resistor | ||
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| divider to |
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| accept |
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| 3.3V. |
| SUS_STAT# | Indicates imminent suspend operation; used to | O 3.3VSB |
| PU 10k |
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| notify LPC devices. |
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| 3.3VSB |
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34 | Reference Manual | COM 830 |
