4 m b 16 m b 8 m b, 32 m b – NEC Network Controller uPD98502 User Manual
Page 218
CHAPTER 3 SYSTEM CONTROLLER
218
Preliminary User’s Manual S15543EJ1V0UM
R A S _B
S D C A S _B
S M A [13:0]
S M D [31:0]
1 M x 16
S D R A M
A [11:0]
D Q [15:0]
R A S _B
C S _B
µ
P D 98502
(S ystem
C ontroller)
µ
P D 98502
(S ystem
C ontroller)
µ
P D 98502
(S ystem
C ontroller)
µ
P D 98502
(S ystem
C ontroller)
S D C A S _B
S D R A S _B
S D W E _B
S D C LK [1:0]
S D Q M [2][0]
S D Q M [3][1]
S D C S _B
C A S _B
LD Q M
U D Q M
C LK
W E _B
S M D [31:16]
S M D [15:0]
S D R A M C onfiguration
2 M x 32
S D R A M
4 M B
16 M B
8 M B
C K E
S D C K E [1:0]
S M A [11:0]
32 M B
8 M x 16
S D R A M
S D C LK [0]
S D C K E [0]
S D Q M [0]
S D Q M [1]
S D C LK [1]
S D C K E [1]
S D Q M [2]
S D Q M [3]
S M A [11:0]
1 M x 16
S D R A M
A [11:0]
D Q [15:0]
R A S _B
C S _B
C A S _B
LD Q M
U D Q M
C LK
W E _B
C K E
S M A [13:0]
S M D [31:0]
A [10:0]
D Q [15:0]
R A S _B
C S _B
S D R A S _B
S D W E _B
S D C LK [1:0]
S D Q M [3:0]
S D C S _B
C A S _B
D Q M [3:0]
C LK
W E _B
S M D [15:0]
C K E
S D C K E [1:0]
S M A [10:0]
S D C LK [0]
S D C K E [0]
S D Q M [3:0]
4 M x 16
S D R A M
S M A [13:0]
S M D [31:0]
A [13:0]
D Q [15:0]
R A S _B
C S _B
S D C A S _B
S D R A S _B
S D W E _B
S D C LK [1:0]
S D Q M [0][2]
S D C S _B
C A S _B
LD Q M
U D Q M
C LK
W E _B
S M D [31:16]
S M D [15:0]
C K E
S D C K E [1:0]
S M A [13:0]
S D C LK [0]
S D C K E [0]
S D Q M [0]
S D Q M [1]
S D C LK [1]
S D C K E [1]
S D Q M [2]
S D Q M [3]
S M A [13:0]
A [13:0]
D Q [15:0]
R A S _B
C S _B
C A S _B
LD Q M
U D Q M
C LK
W E _B
C K E
4 M x 16
S D R A M
S M A [13:0]
S M D [31:0]
A [13:0]
D Q [15:0]
C S _B
S D C A S _B
S D R A S _B
S D W E _B
S D C LK [1:0]
S D Q M [0][2]
S D Q M [1][3]
S D C S _B
C A S _B
LD Q M
U D Q M
C LK
W E _B
S M D [31:16]
S M D [15:0]
C K E
S D C K E [1:0]
S M A [13:0]
S D C LK [0]
S D C K E [0]
S D Q M [0]
S D Q M [1]
S D C LK [1]
S D C K E [1]
S D Q M [2]
S D Q M [3]
S M A [13:0]
A [13:0]
D Q [15:0]
R A S _B
C S _B
C A S _B
LD Q M
U D Q M
C LK
W E _B
C K E
8 M x 16
S D R A M
S D Q M [1][3]
B A [1:0]
S M A [12:11]