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LM3S8630-IGZ25-A2 데이터시트(PDF) 98 Page - Texas Instruments |
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LM3S8630-IGZ25-A2 데이터시트(HTML) 98 Page - Texas Instruments |
98 / 546 page Register 17: Device Capabilities 4 (DC4), offset 0x01C This register provides a list of features available in the system. The Stellaris family uses this register format to indicate the availability of the following family features in the specific device: Ethernet MAC and PHY, GPIOs, and CCP I/Os. The format of this register is consistent with the RCGC2, SCGC2, and DCGC2 clock control registers and the SRCR2 software reset control register. Device Capabilities 4 (DC4) Base 0x400F.E000 Offset 0x01C Type RO, reset 0x5000.007F 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 reserved EMAC0 reserved EPHY0 reserved RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO Type 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 Reset 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 GPIOA GPIOB GPIOC GPIOD GPIOE GPIOF GPIOG reserved RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO Type 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 Reset Description Reset Type Name Bit/Field Software should not rely on the value of a reserved bit. To provide compatibility with future products, the value of a reserved bit should be preserved across a read-modify-write operation. 0 RO reserved 31 Ethernet PHY0 Present When set, indicates that Ethernet PHY module 0 is present. 1 RO EPHY0 30 Software should not rely on the value of a reserved bit. To provide compatibility with future products, the value of a reserved bit should be preserved across a read-modify-write operation. 0 RO reserved 29 Ethernet MAC0 Present When set, indicates that Ethernet MAC module 0 is present. 1 RO EMAC0 28 Software should not rely on the value of a reserved bit. To provide compatibility with future products, the value of a reserved bit should be preserved across a read-modify-write operation. 0 RO reserved 27:7 GPIO Port G Present When set, indicates that GPIO Port G is present. 1 RO GPIOG 6 GPIO Port F Present When set, indicates that GPIO Port F is present. 1 RO GPIOF 5 GPIO Port E Present When set, indicates that GPIO Port E is present. 1 RO GPIOE 4 GPIO Port D Present When set, indicates that GPIO Port D is present. 1 RO GPIOD 3 GPIO Port C Present When set, indicates that GPIO Port C is present. 1 RO GPIOC 2 April 04, 2010 98 Texas Instruments-Production Data System Control |
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