beautypg.com

Rainbow Electronics W90P710CDG User Manual

Page 270

background image

W90P710CD/W90P710CDG

- 270 -

FIFO1 Parameter Register (FIFO1PRM)

REGISTER

ADDRESS

R/W

DESCRIPTION

RESET VALUE

FIFO1PRM

0xFFF0_8028

R/W

FIFO1 parameters

0x0000_0000

31

30

29

28

27

26

25

24

F1STRIDE[15:8]

23

22

21

20

19

18

17

16

F1STRIDE[7:0]

15

14

13

12

11

10

9

8

Reserved

7

6

5

4

3

2

1

0

Reserved F1LOCK

F1BURSTY

F1TRANSZ

BITS

DESCRIPTIONS

[31:16] F1STRIDE

Video frame buffer stride
16-bit value specifies the word offset of memory address of vertically
adjacent line for FIFO1 fetching.

[15:5] Reserved Reserved

[4] F1LOCK

FIFO1 lock transfer enable
0 = Disable
1 = Enable

[3:2] F1BURSTY

FIFO1 burst transfer type
00 =4 data burst mode
01 =8 data burst mode
10 =16 data burst mode

[1:0] F1TRANSZ

FIFO1 data width per-transfer
00=one byte
01=half word
10=one word

FIFO2 Parameter Register (FIFO2PRM)

REGISTER

ADDRESS

R/W

DESCRIPTION

RESET VALUE

FIFO2PRM

0xFFF0_802C

R/W

FIFO2 parameters

0x0000_0000