HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 487

• Manufacturer Part Number: HD6417034B
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

17.3.3
1. Always write using the prescribed voltage and timing. The write voltage (programming
2. Before programming, always check that the index marks on the EPROM programmer socket,
3. Do not touch the socket adapter or device during writing. Contact can cause malfunctions that
Note: * t
voltage) V
HN27C101, V
device. Pay particular attention to overshoot in the EPROM programmer.
socket adapter, and device are aligned with each other. If they are not correctly aligned, an
overcurrent may be generated, damaging the device.
will prevent data from being written accurately.
V
V
CC
PP
Address
V
Notes on Writing
CC
OPW
PGM
Data
V
V
V
+ 1
OE
CE
PP
CC
CC
PP
is defined by the value given in the flowchart.
is 12.5 V (when the EPROM programmer is set to the Renesas specifications for
PP
is 12.5 V.) Applying a voltage in excess of the rated voltage may damage the
t
t
t
t
t
VCS
CES
VPS
AS
DS
Figure 17.5 Write/Verify Timing
(t
OPW
Write data
t
PW
) *
Write
t
DH
t
OES
Rev. 7.00 Jan 31, 2006 page 461 of 658
t
OE
Read data
Verify
REJ09B0272-0700
Section 17 ROM
t
t
DF
AH