Texas Instruments OMAP36 Series, Техническое справочное руководство

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General-Purpose Interface Register Manual
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Table 25-28. Register Call Summary for Register GPIO_IRQENABLE2
General-Purpose Interface Overview
• Global Features : [0]
General-Purpose Interface Integration
• Interrupt Requests : [1]
General-Purpose Interface Functional Description
• General-Purpose Interface Functional Description : [2]
• Synchronous Path: Interrupt Request Generation : [3]
• Asynchronous Path: Wake-Up Request Generation : [4]
General-Purpose Interface Basic Programming Model
• Involved Configuration Registers : [5]
• Description : [6] [7] [8]
• Data Input (Capture)/Output (Drive) : [9] [10]
General-Purpose Interface Register Manual
• General-Purpose Interface Register Mapping Summary : [11] [12] [13] [14] [15] [16]
• Register Descriptions : [17] [18] [19] [20]
Table 25-29. GPIO_CTRL
Address Offset 0x030
Physical Address 0x4831 0030 Instance GPIO1
0x4905 0030 GPIO2
0x4905 2030 GPIO3
0x4905 4030 GPIO4
0x4905 6030 GPIO5
0x4905 8030 GPIO6
Description This register controls the clock gating functionality.
Type RW
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RESERVED
GATINGRATIO
DISABLEMODULE
Bits Field Name Description Type Reset
31:3 RESERVED Read returns 0 RW 0x00000000
2:1 GATINGRATIO Gating Ratio RW 0x1
0x0: Functional clock is interface clock.
0x1: Functional clock is interface clock divided by 2.
0x2: Functional clock is interface clock divided by 4.
0x3: Functional clock is interface clock divided by 8.
0 DISABLEMODULE Module Disable RW 0x0
0x0: Module is enabled, clocks are not gated
0x1: Module is disabled, clocks are gated
Table 25-30. Register Call Summary for Register GPIO_CTRL
General-Purpose Interface Integration
• Operating Modes : [0]
• Module Power Saving : [1] [2]
3496General-Purpose Interface SWPU177N – December 2009 – Revised November 2010
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