W83977G-A Nuvoton Technology Corporation of America, W83977G-A Datasheet - Page 144
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W83977G-A
Manufacturer Part Number
W83977G-A
Description
IC I/O CONTROLLER 128-PQFP
Manufacturer
Nuvoton Technology Corporation of America
Datasheet
1.W83977G-A.pdf
(182 pages)
Specifications of W83977G-A
Pin Count
128
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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13.9 Logical Device 7 (Auxiliary I/O Part I)
CR30 (Default 0x00)
CR31
CR60, CR 61 (Default 0x00, 0x00)
CR62, CR 63 (Default 0x00, 0x00)
CR64, CR 65 (Default 0x00, 0x00)
CR70 (Default 0x00)
CR71 (Default 0x02, read only)
CR72 (Default 0x00)
CR73 (Default 0x02)
Bit 7-1 : Reserved.
Bit 0 : = 1 Activates the logical device.
= 0 Logical device is inactive.
Bit 7-2 : Reserved.
Bit 1 : ENRNGCK -- > Enable I/O Range check
Bit 0 : FORIORD --> Forces LDN to respond I/O read
These two registers select GP1 I/O base address [0x100:0xFFF] on 1 byte boundaries.
These two registers select GP14 alternate function Primary I/O base address [0x100:0xFFE] on 2
byte boundaries; They are available as you setting GP14 to be an alternate function (General
Purpose Address Decode).
These two registers select GP15 alternate function Primary I/O base address [0x100:0xFFF] on 1
byte boundaries; They are available as you setting GP15 to be an alternate function (General
Purpose Write Decode).
Bit 7-4 : Reserved.
Bit 3-0 : These bits select IRQ resource for GP10 as you setting GP10 to be an alternate function
Bit 7-2 : Reserved.
Bit 1 : IRQLEV -- > IRQ Level
= 1: High; = 0: Low
Bit 0 : IRQTYPE --> IRQ Type
= 1: Level trigger; = 0: Edge trigger
Bit 7-4 : Reserved.
Bit 3-0 : These bits select IRQ resource for GP11 as you setting GP10 to be an alternate function
Bit 7-2 : Reserved.
Bit 1 : IRQLEV -- > IRQ Level
= 1: High; = 0: Low
Bit 0 : IRQTYPE --> IRQ Type
= 1: Level trigger; = 0: Edge trigger
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
(Interrupt Steering).
(Interrupt Steering).
-136
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