HD6433044 Datasheet, PDF (622/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

18.9 Flash Memory PROM Mode
18.9.1 PROM Mode Setting
The on-chip flash memory of the H8/3048F can be programmed and erased not only in the on-
board programming modes but also in PROM mode, using a general-purpose PROM programmer.
Table 18-17 indicates how to select PROM mode. Be sure to use the indicated socket adapter in
PROM mode.
Table 18-17 Selecting PROM Mode
Pins
Mode pins: MD₂, MD₁, MD₀
P8₀, P8₁, and P9₂
STBY and HWR
P5₀, P5₁, and P8₂
RES
XTAL and EXTAL
Setting
Low
High
Power-on reset circuit
Oscillator circuit