W77E058A40DL Datasheet, PDF (73/87 Pages) Nuvotem Talema – GENERAL DESCRIPTION

W77E058A
OPERATIONS
P3.0 P3.1
(A9 (A13
CTRL) CTRL)
P3.2
(A14
CTRL)
P3.3
(OE
CTRL)
P3.6
( 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 = 12V, VEP = 14V, VIH = VDD, VIL = VSS.
3. The program verify operation follows behind the program operation.
4. This erase operation will erase all the on-chip ROM cells and the Security bits.
5. The erase verify operation follows behind the erase operation.
A0-A7
V IL
V IL
V IL
V IL
V IL
V IH
+5V
P1
P3.0
P3.1
P3.2
P3.3
P3.6
P3.7
X'tal1
X'tal2
Vss
Vcc
P0
EA/Vpp
ALE
RST
PSEN
P2
PGM DATA
V CP
V IL
V IH
V IH
A8-A15
A0-A7
V IL
V IL
V IL
V IL
V IH
V IL
+5V
P1
P3.0
P3.1
P3.2
P3.3
P3.6
P3.7
X'tal1
X'tal2
Vss
Vcc
P0
EA/Vpp
ALE
RST
PSEN
P2
PGM DATA
V CP
V IL
V IH
V IH
A8-A15
Programming Configuration
Programming Verification
- 73 -
Publication Release Date: April 17, 2007
Revision A10