W78LE54_06 Datasheet, PDF (11/26 Pages) Winbond – 8-BIT MICROCONTROLLER

W78LE54/W78L054A
P3.0 P3.1 P3.2 P3.3 _P3.6
OPERATIONS _{(A9 (A13 (A14 (OE}
CTRL) CTRL) CTRL) CTRL) ^{( CE )}
P3.7
( OE )
EA ^{P2, P1}
(VPP) ^(A15..A0)
P0
(D7..D0)
NOTE
Read
0
0
0
0
0
0
1 Address Data Out
Output Disable 0
0
0
0
0
1
1
X
Hi-Z
Program
0
0
0
0
0
1 VCP Address Data In
Program Verify 0
0
0
0
1
0 VCP Address Data Out @3
Erase
1
0
0
0
0
1
VEP
A0:0,
others: X
Data In
0FFH
@4
Erase Verify
1
0
0
0
1
0 VEP Address Data Out @5
Program/Erase
Inhibit
X
0
0
0
1
1
VCP/
VEP
X
X
Notes:
1. All these operations happen in RST = VIH, ALE = VIL and PSEN = VIH.
2. VCP = 12.5V, VEP = 14.5V, VIH = VDD, VIL = Vss.
3. The program verify operation follows behind the program operation.
4. This erase operation will erase all the on-chip Flash EPROM cells and the Security bits.
5. The erase verify operation follows behind the erase operation.
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Publication Release Date: December 4, 2006
Revision A6