HD64F3039F18 Datasheet, PDF(515/710 Page) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series

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HD64F3039F18 Datasheet, PDF (515/710 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series

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Section 15 ROM

(9) Before programming, check that the chip is correctly mounted in the PROM programmer.

Overcurrent damage to the device can result if the index marks on the PROM programmer

socket, socket adapter, and chip are not correctly aligned.

(10) Do not touch the socket adapter or chip during programming. Touching either of these can

cause contact faults and write errors.

Wait Programming and

time: x erase possible

Ï

VCC

FWE

tOSC1

tMDS

Min 0 Âµs

Min 0 Âµs

MD2 to MD0*1

RES

SWE bit

tMDS

SWE

set

SWE

clear

: Flash memory access disabled period

(x: Wait time after SWE setting)*2

: Flash memory reprogrammable period

(Flash memory program execution and data read, other than verify, are disabled.)

Notes: 1. Always fix the level by pulling down or pulling up the mode pins (MD2 to MD0)

until powering off, except for mode switching.

2. See section 18.2.5, Flash Memory Characteristics.

Figure 15.25 Powering On/Off Timing (Boot Mode)

Rev.3.00 Mar. 26, 2007 Page 491 of 682

REJ09B0353-0300

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