HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 631

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Note: Program-verify data output values may be intermediate between 1 and 0 if programming is insufficient.
V
V
CC
PP
Address
CE
OE
WE
I/O
I/O to I/O
V
V
5.0 V
12 V
5.0 V
7
0
Address
CE
OE
WE
I/O
I/O to I/O
CC
PP
7
0
5.0 V
12 V
5.0 V
Figure 18-26 High-Speed, High-Reliability Programming Timing
6
t
OEWS
6
t
t
t
VPS
OEWS
DS
t
WEP
t
CES
Command
Command
Program setup
t
in
in
VPS
t
t
t
DH
CWC
t
CES
WEH
t
t
CEH
DS
t
WEP
t
Valid address
AS
t
Command
Command
Figure 18-25 Auto-Erase Timing
DS
t
t
Auto-erase setup
in
in
WEP
CES
Data
Data
t
in
in
CEH
t
CWC
t
t
t
DH
AH
CEH
t
WEH
t
t
CES
DH
t
t
DS
Program
PPW
t
t
WEP
CEH
622
Command
Command
in
in
t
Auto-erase and status polling
OEPS
t
DH
t
CES
t
DS
t
WEP
Command
Command
t
CES
in
in
t
t
AET
SPA
t
OERS
t
t
CEH
DH
Status polling
Program-verify
t
VA
Valid data
Valid data
out
out
t
VPH
t
t
DF
VPH
t
DF