W78E054D Datasheet, PDF (72/89 Pages) List of Unclassifed Manufacturers – 8-bit microcontroller

W78E054D/W78E052D Data Sheet
Data Hold from WR High
Tdwd
1 TCP - -
-
nS
WR Pulse Width
Tdwr
6 TCP - 6 TCP -
nS
Note: "" (due to buffer driving delay and wire loading) is 20 nS.
20.3.5 Port Access Cycle
PARAMETER
SYMBOL MIN.
TYP. MAX. UNIT
Port Input Setup to ALE Low
Port Input Hold from ALE Low
Port Output to ALE
Tpds
Tpdh
Tpda
1 TCP -
0
-
1 TCP -
-
nS
-
nS
-
nS
Note: Ports are read during S5P2, and output data becomes available at the end of S6P2. The timing
data are referenced to ALE, since it provides a convenient reference.
- 72 -
Publication Release Date: Jun 9, 2015
Revision A13