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Download A20 User Manual V1.20 - linux
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Offset: 0xBC Bit Read/W rite Register Name: MP_ROPIDX1CTL_REG Default/H ex Description 7:channel 0’ sub channel 1’ in byte 8:channel 0’ sub channel 1’ in word (32bit) Other: Reserved NOD3_CTL 5 R/W Index 1 node3 setting ( channel 2’ not logic ) 0 0:by-pass 1:not NOD2_CTL 4 R/W Index 1 node2 setting ( channel 1’ not logic ) 0 0:by-pass 1:not NOD1_CTL 3 R/W Index 1 node1 setting ( channel 0’ not logic) 0 0:by-pass 1:not NOD0_CTL Index 1 node0 setting ( sorting control ) 0:012 1:021 2:0 R/W 0 2:102 3:120 4:201 5:210 Other: Reserved Note: the result of the add or multiply operation will select the high 8 (byte operation) or 32bits (word operation). 3.1.4.22. ALPHA / COLOR KEY CONTROL REGISTER Offset: 0xC0 Register Name: MP_ALPHACKCTL_REG Bit Read/W rite Default/ Hex Description 31:11 / / / 10 R/W 0 CK_REDCON A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 331 / 812
