1161
SAM9X35 [DATASHEET]
11055E–ATARM–10-Mar-2014
46.7.42 Overlay 1 Layer Configuration 0 Register
Name:
LCDC_OVR1CFG0
Address:
0xF803812C
Access:
Read-write
Reset:
0x00000000
BLEN: AHB Burst Length
DLBO: Defined Length Burst Only for Channel Bus Transaction.
0: Undefined length INCR burst is used for a burst of 2 and 3 beats.
1: Only Defined Length burst is used (SINGLE, INCR4, INCR8 and INCR16).
ROTDIS: Hardware Rotation Optimization Disable
0: Rotation optimization is enabled.
1: Rotation optimization is disabled.
LOCKDIS: Hardware Rotation Lock Disable
0: AHB lock signal is asserted when a rotation is performed.
1: AHB lock signal is cleared when a rotation is performed.
31
30
29
28
27
26
25
24
–
–––––––
23
22
21
20
19
18
17
16
–
–––––––
15
14
13
12
11
10
9
8
–
LOCKDIS
ROTDIS
–
DLBO
7
6543210
–
BLEN
––––
Value
Name
Description
0
AHB_SINGLE
AHB Access is started as soon as there is enough space in the FIFO to store one 32-bit data.
SINGLE, INCR, INCR4, INCR8 and INCR16 bursts are preferred. INCR is used for a burst of 2 and 3
beats.
1
AHB_INCR4
AHB Access is started as soon as there is enough space in the FIFO to store a total amount of four
32-bit data. An AHB INCR4 Burst is preferred. SINGLE, INCR and INCR4 bursts can be used. INCR
is used for a burst of 2 and 3 beats.
2
AHB_INCR8
AHB Access is started as soon as there is enough space in the FIFO to store a total amount of eight
32-bit data. An AHB INCR8 Burst is preferred. SINGLE, INCR, INCR4 and INCR8 bursts can be
used. INCR is used for a burst of 2 and 3 beats.
3
AHB_INCR16
AHB Access is started as soon as there is enough space in the FIFO to store a total amount of
sixteen 32-bit data. An AHB INCR16 Burst is preferred. SINGLE, INCR, INCR4, INCR8 and INCR16
bursts can be used. INCR is used for a burst of 2 and 3 beats.