W78E52B-40 Winbond, W78E52B-40 Datasheet - Page 18

• Manufacturer Part Number: W78E52B-40
• Description: 8-BIT MTP MICROCONTROLLER
• Manufacturer: Winbond

Timing Waveforms, continued
Port Access Cycle
Program Operation
(OECTRL)
(A15... A0)
SAMPLE
(A7... A0)
XTAL1
INPUT
PORT
P2, P1
ALE
P3.7
(OE)
P3.3
Vpp
P3.6
(CE)
P0
V
V
V
V
V
V
V
V
V
V
Vcp
V
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
T
T
PDS
T
T
VPS
AS
DS
Program
Data In
T
PWP
S5
Address Stable
T
T
DH
PDH
T
OCS
T
OES
Program
Verify
- 18 -
T
OCH
T
OEV
D
T
OUT
AH
S6
T
DFP
Preliminary W78E52B
Address Valid
Read Verify
DATA OUT
T
PDA
S1
Data Out