Bit
Bit name
Function
all other prohibited
8 to 5
ROWADDRW
[3:0]
Number of address bits for row address
0111
B
8 bit
1000
B
9 bit
1001
B
10 bit
1010
B
11 bit (default)
1011
B
12 bit
1100
B
13 bit
all other prohibited
4 to 3
BKADDRW[1:0]
Number of bank address bits
00
B
1 bit, i.e. 2 banks
01
B
2 bit, i.e. 4 banks (default)
all other prohibited
Chapter 9
External Memory Interface Controller
316
Preliminary User's Manual S19203EE1V3UM00
Summary of Contents for uPD72257
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