h8s-2169 Renesas Electronics Corporation., h8s-2169 Datasheet - Page 760
h8s-2169
Manufacturer Part Number
h8s-2169
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2169.pdf
(1075 pages)
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Section 22 ROM
22.10.10 Notes On Memory Programming
Notes: 1. The flash memory is initially in the erased state when the device is shipped by Renesas
22.11
Precautions concerning the use of on-board programming mode and programmer mode are
summarized below.
Use the specified voltages and timing for programming and erasing: Applied voltages in
excess of the rating can permanently damage the device. Use a PROM programmer that supports
3.3 V programming voltage for Renesas Technology microcomputer device types with 64-kbyte
on-chip flash memory.
Do not select the HN28F101 setting for the PROM programmer or 5.0 V setting for the
programming voltage, and only use the specified socket adapter. Incorrect use will result in
damaging the device.
Powering on and off: When applying or disconnecting V
flash memory in the hardware protection state.
The power-on and power-off timing requirements should also be satisfied in the event of a power
failure and subsequent recovery.
Use the recommended algorithm when programming and erasing flash memory: The
recommended algorithm enables programming and erasing to be carried out without subjecting the
device to voltage stress or sacrificing program data reliability. When setting the P or E bit in
FLMCR1, the watchdog timer should be set beforehand as a precaution against program runaway,
etc.
Rev. 3.00 Jan 18, 2006 page 732 of 1044
REJ09B0280-0300
When programming addresses which have previously been programmed, carry out auto-
erasing before auto-programming.
When performing programming using programmer mode on a chip that has been
programmed/erased in an on-board programming mode, auto-erasing is recommended before
carrying out auto-programming.
2. Auto-programming should be performed once only on the same address block.
Flash Memory Programming and Erasing Precautions
Technology. For other chips for which the erasure history is unknown, it is
recommended that auto-erasing be executed to check and supplement the initialization
(erase) level.
CC
, fix the RES pin low and place the
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