beautypg.com

Rainbow Electronics AT75C220 User Manual

Page 21

background image

AT75C220

21

•

CSEN: Chip Select Enable

Active high.

•

LCD: LCD Mode Enable

Active high. SMC_CSR3 only.

•

BA: Base Address

This field contains the high-order bits of the base address. If the page size is larger than 1M byte, then the unused bits
of the base address are ignored by the SMC decoder.

SMC Memory Control Register

Register Name:SMC_MCR

•

DRP: Data Read Protocol

0 = Standard Read Mode

1 = Early Read Mode

31

30

29

28

27

26

25

24

–

–

–

–

–

–

–

–

23

22

21

20

19

18

17

16

–

–

–

–

–

–

–

–

15

14

13

12

11

10

9

8

–

–

–

–

–

–

–

–

7

6

5

4

3

2

1

0

–

–

–

DRP

–

–

–

–

See also other documents in the category Rainbow Electronics Wireless Headsets: