Programmable Access Cycle - Samsung S5PC110 Manual

S5PC110_UM

2.2.2 PROGRAMMABLE ACCESS CYCLE

HCLK
ADDR
Tacs
nGCS
nOE
DATA(R)
HCLK
ADDR
nGCS
nWE
DATA(W)
NOTE: Page mode is only supported on read cycle.
ADDRESS 0
Tcos
Tacs = 2-cycle
Tcos = 2-cycle
Tacc = 3-cycle
Figure 2-3 SROM Controller Read Timing Diagram
Tacs
Tcos
DATA
Tacs = 2-cycle
Tcos = 2-cycle
Tacc = 3-cycle
Figure 2-4 SROM Controller Write Timing Diagram
Tacc Tacp
DATA 0
Tacp = 2-cycle
Tcoh = 2-cycle
Tcah = 2-cycle
ADDRESS
Tacc
Tacp = don't care
Tcoh = 2-cycle
Tcah = 2-cycle
2 SROM CONTROLLER
ADDRESS 1
Tcoh
DATA 1
Tcah
Tcoh
Tcah
2-3