Intel 537EX Uživatelský manuál stáhnout pdf (Strana 89)

536EX Chipset Developer’s Manual 89

Intel Confidential

S-Registers

S33 10

Sleep Mode Timer: S33 determines when the modem enters sleep or power-down mode.

When enabled (S33 ≠ 0), the controller enters sleep mode whenever the modem has been

inactive for a user-programmable time delay (S33). The modem is considered to be in an

inactive state when:

• No internal processing is being performed;

• No activity occurs between the host and the modem within a

specified time period;

• The modem is off-line.

The modem exits sleep mode whenever the host reads or writes to the

modem or when a ring signal is detected.

Sleep mode is disabled by setting S33 to ‘0’.

Range: 0–90 seconds

Table 26. S-Register Command Descriptions (Continued)

Command Default Description

NOTE: An asterisk (*) denotes the factory-default setting.

1 2 ... 84 85 86 87 88 89 90 91 92 93 94 ... 103 104

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Intel 537EX Uživatelský manuál Strana 89