s3c4510b Samsung Semiconductor, Inc., s3c4510b Datasheet - Page 169

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

S3C4510B
When nEWAIT is asserted for external I/O banks, the tCOS and tCOH should not be zero. When ROM banks,
except ROM bank 5, are selected, the nEWAIT can not be asserted.
Even if you does not use nEWAIT, nEWAIT pin should be connected pull-up for safe operation.
Address
nEWAIT
MCLKO
SCLK
nECS
Data
nOE
tNECS
tADDRh
tNROE
Figure 4-11. External I/O Read Timing 1
Addr
tACC
Data
tNECS
tNROE
Fetch
Data
tACS = 0 (0 cycle)
tCOS = 0 (0 cycle)
tACC = 4 (5 cycles)
tCOH = 0 (0 cycle)
SYSTEM MANAGER
4-27