Datasheet

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
76543210
–– 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.