Datasheet

1051
SAM9G15 [DATASHEET]
11052D–ATARM–31-Oct-12
44.7.52 High End Overlay Layer Channel Enable Register
Name: LCDC_HEOCHER
Address: 0xF8038280
Access: Write-only
Reset: 0x00000000
• CHEN: Channel Enable Register
0: No effect.
1: Enable the DMA channel.
• UPDATEEN: Update Overlay Attributes Enable Register
0: No effect.
1: Update windows attributes on the next start of frame.
• A2QEN: Add Head Pointer Enable Register
Write this field to one to add the head pointer to the descriptor list. This field is reset by hardware as soon as the head register is
added to the list.
31 30 29 28 27 26 25 24
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23 22 21 20 19 18 17 16
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15 14 13 12 11 10 9 8
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76543210
–––––A2QENUPDATEENCHEN