s3c4510b Samsung Semiconductor, Inc., s3c4510b Datasheet - Page 168

• Manufacturer Part Number: s3c4510b
• Description: 16/32-bit Risc Microcontroller
• Manufacturer: Samsung Semiconductor, Inc.

SYSTEM MANAGER
4-26
EXTACON0
EXTACON1
31
0
0
Figure 4-10. External I/O Access Control Registers (EXTACON0, EXTACON1)
30
0
0
29
0
0
28
0
0
27
t
t
[2:0] Chip selection set-up time on nOE (t
[18:16] t
000 = 0 cycle
001 = 1 cycle
010 = 2 cycles
011 = 3 cycles
[5:3] Address set-up time before nECS (t
[21:19] t
000 = 0 cycle
001 = 1 cycle
010 = 2 cycles
011 = 3 cycles
[8:6] Chip selection hold time on nOE (t
[24:22] t
000 = 0 cycle
001 = 1 cycle
010 = 2 cycles
011 = 3 cycles
[11:9] Access cycles (nOE low time) (t
[27:25] t
000 = 0 cycle
001 = 1 cycle
010 = 2 cycles
011 = 3 cycles
ACC1
ACC3
25
24
COS1,
ACS1,
COH1,
ACC1,
t
t
COH1
COH3
22 21
t
t
t
t
ACS3
ACC3
COS3
COH3
t
t
ACS1
ACS3
100 = 4 cycles
101 = 5 cycles
110 = 6 cycles
111 = 7 cycles
100 = 4 cycles
101 = 5 cycle
110 = 6 cycle
111 = 7 cycles
100 = 4 cycles
101 = 5 cycles
110 = 6 cycles
111 = 7 cycles
100 = 4 cycles
101 = 5 cycles
110 = 6 cycles
111 = 7 cycles
19
18
t
t
COS1
COS3
16
15
0
0
14
0
0
13
ACC0,
0
0
COH0,
ACS0,
12
0
0
COS0,
t
11
ACC2
t
t
t
ACC0
ACC2
t
COH2
ACS2
t
COS2
)
9
)
)
)
8
t
t
COH0
COH2
6 5
t
t
ACS0
ACS2
3 2
S3C4510B
t
t
COS0
COS2
0