m66257fp Renesas Electronics Corporation., m66257fp Datasheet - Page 9

• Manufacturer Part Number: m66257fp
• Description: 5120 ? 8-bit ? 2 Line Memory Fifo
• Manufacturer: Renesas Electronics Corporation.

M66257FP
Note at WCK Stop
Input data Dn of n cycle is read at the rising edge after WCK of n cycle. Writing operation starts in the "L" period of
WCK of n + 1 cycle and ends at the rising edge after n + 1 cycle.
To stop reading write data at n cycle, input WCK for up to the rising edge of n + 1 cycle.
When the cycle next to n cycle is a disable cycle, input of WCK for a cycle is required after a disable cycle as well.
REJ03F0251-0200 Rev.2.00 Sep 14, 2007
Page 9 of 12
WCK
WE
Dn
n cycle
t
WCK
t
DS
Period of writing data (n)
into memory
(n)
t
n + 1 cycle
DH
n cycle
t
NWES
t
DS
Period of writing data (n)
into memory
(n)
t
DH
Disable cycle
WRES = "H"