pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 339
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pc87591l
Manufacturer Part Number
pc87591l
Description
Lpc Mobile Embedded Controllers
Manufacturer
National Semiconductor Corporation
Datasheet
1.PC87591L.pdf
(437 pages)
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Revision 1.07
6.0 Host-Controlled Modules and Host Interface
70
71
74
75
F0
16
16
16
16
Index
Index
Index
16
-FE
16
Interrupt Number
and Wake-Up on
IRQ Enable
Interrupt Request
Type Select
DMA Channel
Select 0
DMA Channel
Select 1
Register Name
Register Name
Register Name
Logical Device
Configuration
Table 54. Special Logical Device Configuration Registers
Indicates selected interrupt number.
Bits 7-5: Reserved.
Bit 4: Enables wake-up on the IRQ of the logical device. When enabled, IRQ as-
Bits 3-0: select the interrupt number. A value of 1 selects IRQ1, a value of 2 selects
Indicates the type and level of the interrupt request number selected in the previous
register.
Bits 7-2: Reserved.
Bit 1: Polarity of interrupt request selected in previous register
Bit 0: Type of interrupt request selected in previous register
Indicates selected DMA channel for DMA 0 of the logical device (0: The first DMA
channel if more than one DMA channel is used).
Bits 7-3: Reserved.
Bits 2-0: Select the DMA channel for DMA 0. The valid choices are 0-3, where:
Indicates selected DMA channel for DMA 1 of the logical device (1: The second
DMA channel if more than one DMA channel is used).
Bits 7-3: Reserved.
Bits 2-0: Select the DMA channel for DMA 1. The valid choices are 0-3, where:
Special (vendor-defined) configuration options
Table 52. Interrupt Configuration Registers
Table 53. DMA Configuration Registers
A value of 0 selects DMA channel 0, 1 selects channel 1, etc.
A value of 4 indicates that no DMA channel is active.
The values 5-7 are reserved.
A value of 0 selects DMA channel 0, 1 selects channel 1, etc.
A value of 4 indicates that no DMA channel is active.
The values 5-7 are reserved.
sertion triggers a wake-up event.
0: Disabled (default)
1: Enabled
IRQ2, etc. (up to IRQ15). A value of 0 disables this interrupt.
0: Low polarity
1: High polarity
0: Edge
1: Level
339
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