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18.9 Flash Memory PROM Mode
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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: MD
, MD
2
P8
, P8
, and P9
0
1
2
STBY and HWR
P5
, P5
, and P8
0
1
2
RES
XTAL and EXTAL
, MD
1
0
Setting
Low
High
Power-on reset circuit
Oscillator circuit
613
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