hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 194

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Section 6 ROM
6.3.2
• Use the specified programming voltage and timing.
• Make sure the index marks on the PROM programmer socket, socket adapter, and chip are
• Avoid touching the socket adapter or chip while programming, since this may cause contact
• Take care when setting the programming mode, as page programming is not supported.
• When programming with a PROM programmer, be sure to specify addresses from H'0000 to
Rev. 7.00 Mar 10, 2005 page 152 of 652
REJ09B0042-0700
The programming voltage in PROM mode (V
permanently damage the chip. Be especially careful with respect to PROM programmer
overshoot.
Setting the PROM programmer to Renesas (former Hitachi) specifications for the HN27C101
will result in correct V
properly aligned. If they are not, the chip may be destroyed by excessive current flow. Before
programming, be sure that the chip is properly mounted in the PROM programmer.
faults and write errors.
H'7FFF. If programming is inadvertently performed from H'8000 onward, it may not be
possible to continue PROM programming and verification. When programming, H'FF should
be set as the data in address area H'8000 to H'1FFFF.
Programming Precautions
PP
of 12.5 V.
PP
) is 12.5 V. Use of a higher voltage can